USER MANUAL
MyChron4 660 User Manual Release 1.03 INDEX 1 – HOW TO INSTALL MYCHRON4 660 .............................................................. 3 1.1 – How to install and replace the batteries ............................................... 3 1.2 – How to install MyChron4 660 on Junior Dragsters ............................. 5 1.3 – How to install the RPM wire ................................................................... 6 1.4 – How to install the EGT thermocouple..........................................
MyChron4 660 User Manual Release 1.03 4.4 – QMAn Data Analysis............................................................................. 55 4.4.1 – Test/Run manager .......................................................................... 56 4.4.2 – Analysis View.................................................................................. 60 4.4.3 – Time Plot......................................................................................... 62 4.3.4 – Histogram ...............................
MyChron4 660 User Manual Release 1.03 1 – How to install MyChron4 660 Before installing MyChron4 660, please read these installation instructions carefully. It is very important that your MyChron4 660 is correctly installed in order to capture consistent and accurate data. Incorrect installation may result in system malfunction. Now you may start installation of MyChron4 660 on your Junior Dragster.
MyChron4 660 User Manual Release 1.03 open here to change the battery To change battery, remove the two screws on the back of the display unit. A 9V battery will be connected to a two-wire power lead. Simply disconnect the battery from the lead and replace with a new battery. Do not over-tighten the screws when mounting the battery cover to the back of the display unit. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 1.2 – How to install MyChron4 660 on Junior Dragsters One of the main uses of the gauge is to allow the mechanics to set up engine’s carburetion in the staging area immediately before the race start. To make this easy, it is suggested to install the gauge in a place where the mechanics may see the display while working on the engine. Behind the body cell on the vertical metal bulkhead which separates the racer’s seat from the engine is a commonly used location.
MyChron4 660 User Manual Release 1.03 1.3 – How to install the RPM wire The RPM wire has to be connected to the ON/OFF switch (kill switch). This switch is usually a 2-poles switch (some switches are a single pole, but most are two): one pole is COIL, the other one is RPM. The RPM wire should be going to the coil side of the kill switch. Running it to the grounded side of the switch causes the RPM signal to drop in and out and sometimes not to work at all.
MyChron4 660 User Manual Release 1.03 1.4 – How to install the EGT thermocouple The Exhaust Gas Thermocouple (EGT) has to be installed inside the exhaust header pipe at a distance of approximately 5.9“ (150 mm) from the exhaust port. The figure below shows the proper way to install the EGT thermocouple and the installation wrapper. It is recommended to insert the sensor between 25% and 50% inside the exhaust gas header. To correctly install the EGT thermocouple, please follow these instructions: 1.
MyChron4 660 User Manual Release 1.03 The EGT thermocouple may also be installed using a steel adapter which has to be welded to the exhaust header pipe, as described in the following drawing and explained below. 2 1 Weld 3 Make a 0.4” (10 mm) hole inside the exhaust header 1. Weld the EGT adapter inside the hole 2. Screw the EGT thermocouple inside the EGT adapter 3. Plug the thermocouple’s male Mignon connector to the EGT input wire of the “2 temperatures split cable”. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 1.5 – How to install the cylinder head thermocouple When using a Cylinder Head Thermocouple (CHT) sensor, always remove the spark plug washer before inserting the spark plug into the sensor. When tightening and loosening the spark plug, minimise movement of the sensor to avoid damage. The figure below shows how to correctly install the CHT sensor.
MyChron4 660 User Manual Release 1.03 1.6 – How to install the Speed sensor In order to sample the dragster’s speed, you have to install a phonic wheel (jackshaft collar) on the jackshaft (¾” diameter) moved by the clutch. The movement of the jackshaft and the movement of the wheel are related to the crown/pinion ratio. An installation layout of the speed sensor and magnetic phonic wheel is shown in the figure below.
MyChron4 660 User Manual Release 1.03 The speed kit is composed of 1 phonic wheel and 1 magneto resistive speed sensor. The phonic wheel is made of Teflon and is composed of two separate parts: an internal ring, which includes 4 magnets, and an external bushing, which protects the internal ring. The external bushing is fixed to the internal one using 2 hex-key screws.
MyChron4 660 User Manual Release 1.03 To correctly install the speed kit, please follow these instructions: 1. To mount the phonic wheel on the jackshaft, please remove the pinion and insert the phonic wheel (internal diameter ¾”) on the jackshaft 2. Fix the phonic wheel to the jackshaft by screwing the M5 locknut (use the hex key supplied with the kit) 3. Install the magneto resistive speed sensor on a self-made bracket. It is reminded that the sensing distance (i.e.
MyChron4 660 User Manual Release 1.03 1.7 – How to connect cables to MyChron4 660 Once you have correctly installed all the sensors described above, you need to connect them to your MyChron4 660. On the backside of the display unit you have to plug the “2 temperatures split cable” to the connector labelled as “TEMPERATURE” and the speed cable to the connector labelled as “SPEED”. The EXP/PC connector is for Lambda, e-Box, data download purposes other CAN Expansion accessories.
MyChron4 660 User Manual Release 1.03 2 – How to use MyChron4 660 As you power on your MyChron4 660, the display shows the following information (described in the same order as they appear): 1. AIM MYCHRON4 660 Instrument name 2. V42.04.01 Firmware version. 3. S.N.XXXXXXXX Serial number 2.1 – The Keyboard www.aim-sportline.
MyChron4 660 User Manual Release 1.03 The Keyboard is composed of four rubber push-buttons and is used to turn the gauge ON and OFF, configure the system, recall recorded data from memory and to clear the internal memory. The four push-buttons are used to perform the following functions : Used to enter configuration mode, to switch to the previous MENU/<< configuration option and to turn on backlight during a test.
MyChron4 660 User Manual Release 1.03 2.3 – Configuration functions Before starting your system on-track, please configure your gauge in order to acquire correct data from your system. 2.3.1 – Configuration wizard You can enter the Configuration Menu pressing the MENU button. The Wizard automatically switches on every time you enter the configuration menu, until it ‘s fully completed at least once.
MyChron4 660 User Manual Release 1.03 Your configuration Wizard has now finished and your MyChron4 660 is ready to start running. Explanation about the configuration can be found in the Configuration Menu paragraph below. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 Manual configuration Please, switch ON the gauge (press ON/VIEW) and enter Configuration Mode (push MENU/<< button) in order to set the configuration parameters (RPM scale, RPM factor, Wheel circumference, etc…). Buttons MENU/<< (back to previous option) and >>/OFF (forward to next option) are used to scroll through the configuration menu. To exit Configuration Mode and return to Main Display Mode, press ON/VIEW.
MyChron4 660 User Manual Release 1.03 Configuration Menu The Configuration Menu can be activated pressing MENU button. Once you have completed the configuration Wizard at least once, the MENU screen appears as in the picture here below: BackLight Track Name Control Panel Configuration Wizard Speed Setup Engine Pass Counter Clear Test Data www.aim-sportline.
MyChron4 660 User Manual Release 1.03 The gauge’s display can be set to backlight display so that it Backlight (Night Vision) is visible during night racing or in low-visibility conditions. To set the Night Vision ON or OFF, highlight backlight icon and press MEM/OK: The Track Name is associated with every run recorded on your MyChron4 660. This is extremely useful when you have many runs, in order to understand when and where your data have been Track Name recorded.
MyChron4 660 User Manual Release 1.03 Speed Setup function sets these parameters: Wheel circumference: this function allows to set the wheel Speed Setup circumference in inches. This parameter is fundamental to correlate the wheel angular speed and the dragster speed. To run this function select ‘Speed Setup’ and press MEM/OK. Push MEM/OK to enter edit mode: use menu/<< or >>/OFF to increase/decrease wheel circumference (¼” steps).
MyChron4 660 User Manual Release 1.03 The MyChron4 660 includes an internal run-counter which lets the user know the number of runs the gauge has recorded Engine Pass Counter The date shown in the function name represents the engine pass when you erased the run-counter. To run this function, after having entered the configuration mode press the MENU/<< button until the following text is displayed: Engine Pass Counter.
MyChron4 660 User Manual Release 1.03 Now we will take a look at the Control Panel sub-menu. This function sets the maximum scale for the RPM display and the maximum acceptable RPM value sampled by your RPM Setup MyChron4 660. MyChron4 660 can be configured to manage a wide range of RPM (from 8,000 to 16,000). Please remember to insert a higher value than your Engine’s Maximum RPM to acquire correct data.
MyChron4 660 User Manual Release 1.03 • TEMP CHT ALARM (Lower Value).-Range :OFF- 400 Select the key , press MEM/OK and use “>>” and “<<” button to configure the alarm threshold. Then press again MEM/OK to stored the changes or ON/VIEW to discard them. The system setup menu sets different options of the system: • System setup Set Time/Date: your MyChron4 660 is equipped with an internal clock which allows the user to see the current date and time on the display.
MyChron4 660 User Manual Release 1.03 battery: if battery is removed from the battery pack for more than 60 seconds (approximately) you will have to set date and time again. • Reverse: Use Reverse to switch display dots from white to black and vice-versa. • System information: this function shows: firmware version and gauge serial number. To run this function, press the MENU/<< button, highlight the Control Panel Icon (upper Wrench Icon) by pressing MENU/<< or >>/OFF and press the MEM/OK button.
MyChron4 660 User Manual Release 1.03 2.4 – The Display The wide display with backlight shows information such as RPM (digital value), cylinder head temperature CHT (lower right corner of the display) and exhaust gas temperature EGT (lower left corner) When the disc icon appears in the upper left hand corner, the system has begun recording data. The system is recording Pressing ON/VIEW button again will show the battery voltage status and the calendar.
MyChron4 660 User Manual Release 1.03 2.5 – Post Run Review Once you have acquired data, you are ready to manage them with your gauge. MyChron4 660 records RPM, 2 temperature inputs and speed at a sampling rate of 50 Hertz (50 times per second). These data can be recalled for analysis. MyChron4 660 splits data for runs: each run includes a few seconds before your launch, your pass and your coast down.
MyChron4 660 User Manual Release 1.03 In the second part on top right the test number is indicated: Right below, in the third section, you see the labels referred to the values contained in the next section: Maximum RPM, Shaft, EGT(Exhausted (Cylinder Head Gas Thermocouple), Thermocouple) value, and Over CHT drive 1:1(intersection point between RPM and Shaft), Overdrive (difference percentage between RPM and Shaft), Staging RPM (average RPM values in the 7/10 before the starting).
MyChron4 660 User Manual Release 1.03 RPM values graph Pressing MEM/OK key for the second time, you pass on to the graph page of RPM and Shaft. For the first 3 seconds the screen with the magnifying glass icons is shown (see image below). After 3 seconds the icons disappear. Now it is possible to see the next graph page. In the left part of the graph, the vertical axis shows RPM trend value configured. In the graph two lines corresponding to RPM and Shaft are shown.
MyChron4 660 User Manual Release 1.03 LEVEL ONE -19,2 sec. zoom LEVEL TWO – 16,00 sec.zoom LEVEL THREE – 12,8 sec.zoom LEVEL FOUR – 9,6 sec.zoom LEVEL FIVE – 6,4 sec.zoom LEVEL SIX – 3,2 sec. zoom www.aim-sportline.
MyChron4 660 User Manual Release 1.03 3 – GPS Module and MyChron4 660 3.1 - How to connect GPS MODULE GPS Module can be connected to MyChron4 660 in different ways and with different peripherals. Connection with internal power The Figure below shows a CAN network powered by MyChron4 660 internal batteries: this powering reduces the all network autonomy, valuable in around two hours recording time. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 Connection with external power The figure below shows a CAN network where GPS Module and MyChron4 660 are externally powered (assuming a 12 Volts battery is available on Junior Dragster) 3.2 - How to install GPS module For a better reception please fix the Antenna GPS over the cockpit . The Antenna GPS has to be parallel to the ground to have a wider angle of the view to the sky and to receive a maximum number of satellites correctly connected to the system. www.
MyChron4 660 User Manual Release 1.03 While the GPS receiver must be fixed through the implantation hole as in the figure below. Fix here the Antenna GPS 3.3 - Configuration Wizard No system configuration is needed. The system self configures at start up. We would thereby suggest to switch the system on a few moments before entering the track. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 3.4 - MyChron4 660 Data visualization When GPS Module is connected to MyChron4 660, swiching the datalogger on GPS Module recognition window appears. • MyChron 4 660 and GPS Firmware version • USA =American Version / EU = European Version Pressing “ON/VIEW” button MyChron4 660 display shows under the RPM bar graph, GPS speed value with the related unit of measure KM; MPH); pressing again “ON/VIEW” button the following screen appears: www.aim-sportline.
MyChron4 660 User Manual Release 1.03 • Numbers of received satellites • GPS Speed • GPS Status − SEARCH searching for satellites − BAD reception is bad − WEAK signal is weak − GOOD reception is OK To come back to the first page click twice “ON/VIEW” button. 3.5 - MyChron4 660 Datakey for data download To download recorded data on your PC please refer to the chapter “Downloading data with MyChron4 660” . www.aim-sportline.
MyChron4 660 User Manual Release 1.03 3.6 GPS Module with QMan Open a test containing GPS data with QMAN software some additional channels are shown: GPS Speed Speed measured through GPS signal GPS Nsat Number of satellites locked to GPS Module. Max accepted number of satellites is 9. Better accuracy is obtained using between 6 and 9 satellites locked. GPS Lat.Acc. Lateral acceleration compared to the trajectory computed throught GPS speed along the three axis. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 GPS Lon.Acc. Vehicle accelerations and decelerations GPS Slope Positive and negative slope of the track GPS Heading Route of the vehicle compared to the geographical North GPS Gyro Trajectory cornering speed expresses in degrees/second www.aim-sportline.
MyChron4 660 User Manual Release 1.03 4 – MyChron4 660 and the PC MyChron4 660 is designed to interface with a PC. Using a DataKey it is possible to download the data stored in your MyChron4 660 to your PC for analysis using the QMAn analysis software. 4.1 – Downloading data with MyChron4 660 To download the data stored in the gauge memory, follow this procedure: • Turn off your MyChron4 660.
MyChron4 660 User Manual Release 1.03 4.2 – How to use QMAn AIM has written a new software specific for dragster racing data called QMAn. The software is constantly updated to ensure it remains bug free, and can be downloaded free of charge at www.aim-sportline.com. QMAn has been designed and developed to guarantee the maximum working reliability and has been tested for compatibility with the following Operating Systems: Microsoft Windows XP ™ and Microsoft Vista™.
MyChron4 660 User Manual Release 1.03 4.3 – QMAn installation 4.3.1 – Installation under Microsoft Windows XP™ Before starting any AIM software installation please: Ensure that your instrument is NOT connected to the PC USB port. If it is, please unplug it. Check the WindowTM “Driver signing option” default setting; click on: Start Settings Control Panel System and select “Hardware” layer; click on “Driver Signing” option and select “Warn – Prompt me each time to choose an action” option.
MyChron4 660 User Manual Release 1.03 If you are installing AIM software for the first time the window on the right appears. It allows you to choose the installation destination folder. Clicking on “Browse” button you can select the folder where to install the software. Clicking on “Next” button the software will be installed in C/program files/AIM folder, where “C” is the hard disk where the operating system is installed.
MyChron4 660 User Manual Release 1.03 After the installation if you were upgrading AIM software, the window on the right appears. Click on “Finish” button. Your installation is complete. If you are installing AIM software for the first time, USB driver installation starts and the window on the right appears. Please disconnect any USB cable from your PC and click on the “Start” button. Please close all running applications and click on the “Start” button. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 Click “Continue Anyway” button Click “Continue” button. A series of three panels appears to assist you for the next steps. Now you can plug the the DataKey into the PC USB port. Wait a few seconds for the next panel. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 This panel indicates that your instrument is connected to and recognized by the PC. Please note: after the end of this procedure, if you connect your logger to another USB port of the same PC, the system may ask you again for driver installation. Select “No, not now” option and click on “Next>” button Select “Install the software automatically (recommended) and click “Next>” button to continue. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 Click “Finish” button. Click “OK” button. Click “Finish” button. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 After the first installation a new icon is created on the PC desktop. Here on the right you see the default icon of QMAn software. Please refer to the software user manual for further information. Once the first installation is successfully completed, QMAn software updating (remember to periodically check www.aim-sportline.com) will skip the steps regarding the USB driver installation. 4.3.
MyChron4 660 User Manual Release 1.03 4.3.4 – Installation under Microsoft Vista™ Microsoft Vista™ operating system has introduced a more restricted procedure regarding the security. Please note: AIM has not yet obtained the “signature” from Microsoft. This procedure is in progress and, once completed, will make the installation procedure completely automatic. The installation program for “non-signed” drivers requires the program to be started with the “Run as Administrator” procedure.
MyChron4 660 User Manual Release 1.03 In case of the first AIM software installation on your computer, the window on the right appears. It allows you to choose the installation destination folder. By clicking the “Browse” button you can select the folder in which to install the software. Clicking on the “Next>” button will install the software in “C:\Program Files\AIM” folder, where “C” is the hard disk on which the operating system is installed.
MyChron4 660 User Manual Release 1.03 The window on the right appears. After the installation, in case of software upgrading the window on the right appears. Click on “Finish” button. AIM Software installation is completed. In case of a first installation of AIM software, the window on the right appears. • Click on “OK” button to continue installing the software. • Click on “Question mark” button to view the procedure. The following window appears. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 This window shows how to perform the procedure; click on “OK” button to continue. Click “Finish” AIM-USB driver installation with procedure As explained in the figure on the right go to the PC desktop, right click on AIM_USB_2008 icon and select “Run as Administrator” option. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 Click “YES” to continue. Disconnect any USB cable and click the “START” button. Close all other applications and click the “START” button once more to begin the installation of AIM-USB drivers. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 Click the “OK” button. Click on “Install this driver software anyway.” click on the “Continue” button. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 Plug the USB DataKey into the PC USB port. After the first installation a new icon is created on the PC desktop. Here on the right you see the default icon corresponding to the different AIM software as well as USB driver one. Please see each software user manual for further information. Once the first installation is successfully completed, any AIM software upgrading (remember to periodically check www.aim-sportline.
MyChron4 660 User Manual Release 1.03 4.3.5 – Troubleshooting If the procedure ended incorrectly for any reason, you can start the “Maintenance” Procedure repeating the “Run as Administrator” procedure. Click on the “OK” button. The panel on the right appears. Click on “Reinstall Driver.” The step completely clears the first installation. After this you are requested to “Continue” or to “Stop.” Click on the “Yes” button to complete the new installation.
MyChron4 660 User Manual Release 1.03 4.4 – QMAn Data Analysis Analysis is fundamental to seting up your vehicle. You will analyze your racing data by using the included QMAn software. This chapter describes how to use QMAn in order to obtain the maximum amount of information from the test data. This software has been designed focusing our attention on usability and ease of use, minimizing the number of clicks it takes for you to get the information you need. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 4.4.1 – Test/Run manager When you open QMAn, the following screenshot will appear. It features a toolbar, a left and a right part. The right part shows you the runs you already downloaded to your PC. The left part lets you refine the list of runs displayed on the right part www.aim-sportline.
MyChron4 660 User Manual Release 1.03 Available commands are: Download – as already explained this opens the download window.
MyChron4 660 User Manual Release 1.03 You can load a run for analysis in one of the following three ways: • Double click on the desired run. • Select the desired run and click the “LOAD” button in the upper toolbar. • Right click the desired run and choose the “LOAD” command in the context menu. QMAn has been designed to share data easily. If you need to share test or run file data, you may send the file via e-mail by just clicking one button.
MyChron4 660 User Manual Release 1.03 If you want to set software preferences, please close all open tests and select “Preferences” from the top toolbar. The following picture will appear. Please choose the correct run length and vehicle type, as many features in the software were specifically developed for different vehicles and run lengths. You can also customize software printouts to a certain extent such as inserting your name, some team information, or your team logo. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 4.4.2 – Analysis View Once a run has been loaded, the “Analysis View” window will be prompted as shown in the screenshot below. There are up to 8 Analysis Views available. Any of them is customizable independently from the others, hence enabling you to have different analysis templates always available. The default name for each view is “Time View,” which can be changed through the plot settings command as will be explained later.
MyChron4 660 User Manual Release 1.03 Three different types of plot graph are available: Time, XY and Histogram; clicking on the Plot type toolbar button you can switch between each of these three graphs . We’ll be immediately explaining the Time Plot graph, to follow later with XY and Histogram. What is similar in the three graphs will be explained only for the Time Plot graph.
MyChron4 660 User Manual Release 1.03 4.4.3 – Time Plot The “Time plot” feature allows the user to plot a logged channel versus time. Left click inside the graph to show a vertical cursor. Along the horizontal axes the time and distance (calculated from the start line) value corresponding to that position will be shown. In the upper right hand corner of the graph the value tags of the shown measures are displayed. The background of the plot is greyscale coloured in order to evidence the time slip times.
MyChron4 660 User Manual Release 1.03 The user may choose the channel to be plotted on the graph by left-clicking on the channel name inside the “channels list” window located in the upper left corner of the “Time plot” window. Moreover, the measurements displayed inside the “available measurements” toolbar are linked to the cursor movement, showing the current value corresponding to the selected track position.
MyChron4 660 User Manual Release 1.03 By clicking the small coloured button next to each channel name you can choose the plot colour of the channels itself. The click on the colour button prompts the following window. In the lower part of the “Time plot” window it is displayed the “Run toolbar”, which is a graph showing the complete time history of the loaded run.
MyChron4 660 User Manual Release 1.03 The width of the data window can be modified. QMAn allows the user to choose among 7 predefined zooms. You can view a 2 second window, and windows for runs spanning 4, 6, 8, 10, 14 and 20 seconds. For instance, if you were looking at a graph inside a 10 seconds window and you click the “Zoom in” button, the “Time plot” will change to an 8-second window.
MyChron4 660 User Manual Release 1.03 Plot settings can be modified through the Settings command in the toolbar. The following window is prompted. Kindly notice that there are parts of this window that are different for XY graphs and Histogram graphs. These differences will be explained later. In this window you can set the view name which is defaulted to “Time View”.
MyChron4 660 User Manual Release 1.03 able to use different views to plot different information, always ready for a quick interpretation of data. Below are some other settings that can be accessed through the channels list and plot settings. Line width settings refer to channels traces. Cursor tags refer to the cursor drawing along the line plotted for every channel. Enable time interval bolding refers to the grey scaled background of the time plot.
MyChron4 660 User Manual Release 1.03 Double click the 3D color scale to show its settings window. Through this window it is possible to set the bands number and the bands thresholds. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 4.3.4 – Histogram While showing a histogram plot you’ll be able to see how long a channel remains within a certain band. In the following screenshot the RPM histogram lets you visualize which RPM ranges are used the most in the run, providing you with more information for tuning your engine. Kindly notice that, while moving the mouse cursor over a bar on the plot, a tag will show you the value of the bar. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 The next screenshot shows you that the parameters that can be set for this plot are the histogram computation base (time or percentage) and the beans number. Even the histogram plot can show a 3D channel. In this case, within a single horizontal bar you can see multiple sub bars with different colours, the amplitude of each sub bar lets you understand a distributed histogram of the 3D channel. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 4.3.5 – XY Plot The XY plot or scatter plot shows the traces of the enabled channels versus one selected X channel. If you check the Cursor button in the run history bar you can move the cursor within the run history bar and see what happens inside the XY plot. In this “cursor movement” mode the drag and drop functionality of the time window does not work. Simply unckeck the cursor button and the drag and drop mode will be back. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 The next screenshot shows you that the settable parameters of the XY plot are the horizontal axis channel and the drawing mode: lines, dots or circles (and their dimensions). The XY plot lets you show a 3D channel as well as the other two plots. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 4.3.6 – Channel info There are a number of parameters that can be modified for every channel, you may right click on the channel name inside the “Available measurements” toolbar or click the “Channels” button inside the buttons toolbar. The “Set Channels” window (shown here) will be displayed. If you change the plotting scale you’ll generate a redraw of the graphs as soon as you close this settings window.
MyChron4 660 User Manual Release 1.03 4.3.7 – How to set the time slip info Once the time slip has been handed to the racer, he/she can manually input pieces of information from the time slip into the analysis software. QMAn has been designed to allow you to insert useful data (reaction time, 60’ – 330’ – 1/8th – 1000’ and 1/4th time, 330’ – 660’ and 1320’ speed) inside the test file in order to recall them when needed.
MyChron4 660 User Manual Release 1.03 4.3.8 – How to set weather station data The user is allowed to set the weather conditions, in order to be able to correlate the test performances (reaction time, linear acceleration, engine’s setup) to the atmospheric conditions. If you wish to set weather parameters, please press the “…” button aside of the “Weather” toolbar (left column) or double-click the Weather window. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 4.3.9 – Test Loaded View This view shows a report form of all the information bound to every run loaded for analysis. If you red-highlight a line of a run you can click on one of the toolbar buttons to open the settings window already shown. The view contains a toolbar and the report itself. The left part of the toolbar is the same as already described. Available commands in this view are: Run Info – to modify run settings. Time Slip – to modify time slip settings.
MyChron4 660 User Manual Release 1.03 The first column in the report includes the descriptions, and then you will see one column for each run you load . www.aim-sportline.
MyChron4 660 User Manual Release 1.03 4.3.10 – Run Info This window lets you enter general information on the performed run. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 4.3.11 – Time Slip You can store all the information bound to the time slip that affect the time plot. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 4.3.12 – Tachometer You can also store all the readings of the tachometer that matter most, even at launch. www.aim-sportline.
MyChron4 660 User Manual Release 1.03 4.3.13 – Weather You can record all the important information coming from a weather station. 4.3.14 – How to send the test file via E-mail If you have a problem with a test file (i.e. you can’t open it, the recorded data do not seem to be correct or you simply need help) you may send us the file via email with the simple click of a button. Go to “Test/Run Manager” layer and select the test you wish to send us. The selected file will become highlighted in red.
MyChron4 660 User Manual Release 1.03 4.5 - Maintenance Your MyChron4 660 does not require any special maintenance. Provided adequate care is taken with the display unit and components, the only maintenance will be to upgrade the firmware when upgrades are released by AIM and to change the display unit batteries when the low battery indicator appears on the top right hand corner of the display. 4.5.1– How to upgrade the firmware To upgrade the firmware, please visit http://www.aim-sportline.
MyChron4 660 User Manual Release 1.03 Choose this option to upgrade the DataKey and press “Proceed” Connect your Mycron4 660 to the DataKey. • Turn on the gauge • Now the firmware on your Mycron4 660 will update. Attention: At the end of the process your PC monitor will show “END.” www.aim-sportline.
MyChron4 660 User Manual Release 1.03 Appendix A: Technical characteristics Connector details (Temperature channel) Pin Function Pin Function 1 TC1 5 TR1 2 GND 6 GND 3 TC2 7 TR2 4 GND 7 6 5 1 2 4 3 Female 7-pins connector pin out (external view) Note: TC = Thermocouple TR = Thermo resistor www.aim-sportline.
MyChron4 660 User Manual Release 1.03 Connector details (Speed channel) Pin Function Pin Function 1 Speed 3 +VB 2 GND 4 n.c. 4 1 3 2 Female 4-pins connector pin out (external view) Connector details (Exp/PC) Pin Function Pin 1 5 Function 2 4 1 CAN + 4 CAN - 2 GND 5 +VBext 3 +VB 3 Female 5-pins connector pin out (external view) www.aim-sportline.
MyChron4 660 User Manual Release 1.03 Technical characteristics General characteristics Value Input channels 4: RPM, speed, 2 temperatures Internal battery 1 9V Alkaline Working time About 40 hours of use Internal memory 1 MB PC interface USB port through Datakey Sampling freq. per channel 50 Hz Maximum total sampling frequency 80 Hz Other characteristics Value MyChron4 660 dimensions 123,5x87x46 mm 4.86x3.425x1.81 in Display dimensions 78,8x49,2 mm 3.10x1.
