microHAM © 2006 All rights reserved micro KEYER 2 Radio MK2R & MK2R+ microHAM fax: +421 2 4594 5100 e-mail: support@microham.com homepage: www.microham.com Version 1.
microHAM © 2006 All rights reserved TABLE OF CONTENTS CHAPTER PAGE 1. FEATURES AND FUNCTIONS ..................................................................................................... 4 2. IMPORTANT WARNINGS ............................................................................................................ 6 3. PANEL DESCRIPTION ................................................................................................................. 7 Rear Panel ...............................
microHAM © 2006 All rights reserved 7. HARDWARE SPECIFICATIONS ............................................................................................... 69 8. PACKAGE CONTENTS .............................................................................................................. 70 9. WARRANTY .............................................................................................................................. 70 DECLARATION OF CONFORMITY ...............................................
microHAM © 2006 All rights reserved 1 - FEATURES AND FUNCTIONS General: • single USB connection (advanced mode) with LPT port for compatibility with "classic standard" • stand alone operation without computer • support for independent settings for dissimilar radios • optimized operation on each radio and dissimilar modes (R1=SSB, R2=CW) • innovative dual sound card processing • integrated dual USB sound core (MK2R+ only) • 16 buttons/42 lights for ergonomic function control and status display • compatible
microHAM © 2006 All rights reserved Digital (FSK/AFSK/PSK31): • six transformers for DC isolation of sound card and radios • selectable routing of radio outputs (VFO A/B) for each sound card channel • low noise preamplifiers for improved weak signal decoding • front panel controls to optimize levels for each sound card channel • front panel controls to optimize mic drive for each radio • integrated high performance, low noise floor USB sound core (MK2R+ only) • separate USB sound codec for digital modes (M
microHAM © 2006 All rights reserved Other: • • • • • • configurable Accessory connection with dual BCD band data outputs user definable presets to recall all parameters for different control programs or contests all parameters are stored inside the box memory and reloaded after power up integrated chokes and filters for maximum RFI immunity Metal/Aluminum case, powder coated and silk screened Free, no time limit firmware/software upgrades via Internet 2 - IMPORTANT WARNINGS ALWAYS check the polarity of
microHAM © 2006 All rights reserved 3 - PANEL DESCRIPTION Rear Panel (1) – EXT SP External speaker or second headphones. Connector: 3.5mm (1/8”) stereo TIP – Left channel RING – Right channel SHELL – Ground (2) – MIC Station microphone (original) for Radio #1. Connector: RJ45 female If the original radio microphone uses a connector other than an RJ45 the appropriate adapter is provided with the cable set. All microphone controls are connected to the RADIO1 DB37 connector (pins 12-15 and 30-33).
microHAM © 2006 All rights reserved (6) – R1 + R2 HP AUDIO Input for headphone audio outputs from both RADIO1 and RADIO2. Connector: DIN6 Pin 1 – RADIO1 Left channel (TIP) Pin 2 – RADIO1 Right channel (RING) Pin 3 – RADIO1 Ground (SHELL) Pin 4 – RADIO2 Left channel (TIP) Pin 5 – RADIO2 Right channel (RING) Pin 6 – RADIO2 Ground (SHELL) (7) – LPT Input from computer LPT (printer) port. Connector: DB25 female (8) – OUT SC1 (MK2R only) Input from Line Out of the computer Sound Card #1 Connector: 3.
microHAM © 2006 All rights reserved (15, 16) – iLINK (internal LINK) Ports for connecting other microHAM devices (future expansion) to MK2R or MK2R+. Connectors: Mini DIN6 (17) – ACC Port for connecting external peripherals like 3rd party Band Decoders or custom built level translators. Connector: DB25 female Pin description is in Appendix B. (18) – PADDLE Paddle input. Connector: 6.
microHAM © 2006 All rights reserved TIP: All of the RE/SS jumpers are located on the bottom circuit board just in front of the DC 12V input jack. (23) – LNA2 Sequenced keying (bypass) for Low Noise Amplifier or receive antenna control on RADIO2. Output (Solid State or RElay contact) depends on RE/SS jumper position. Connector: RCA, when active goes to ground. TIP – Signal SHELL – Ground The output circuit is the same as shown for PAPTT2. (24) – PTTIN1 Status input for sensing the state of RADIO1.
microHAM © 2006 All rights reserved Front Panel B1 – POWER Turns MK2R/MK2R+ on or off. While in operation, a short press will lock or unlock the front panel. When locked, the LOCK light will illuminate. B2 – MIC Selects the microphone. When the REAR light is illuminated the microphone attached to rear panel RJ45 MIC jack is active. Otherwise, the front panel MIC jack (3.5 mm) is active. B3 – MODE Selects among the operating modes defined at the SO2R tab in Router.
microHAM © 2006 All rights reserved B6 – RIGHT EAR Selects the audio source connected to the right ear of the headphones.
microHAM © 2006 All rights reserved B15 – RADIO2 TRANSMIT FOCUS Selects transmission on RADIO2 and disables automatic control of transmit focus if it was enabled. The lights below the RADIO buttons indicates which radio is selected (has focus). Pressing the RADIO1 (B14) and RADIO2 (B15) buttons at the same time enables automatic selection of transmit focus (AUTO mode) and illuminates the AUTO light.
microHAM © 2006 All rights reserved (8) – MIX Adjusts the level of mixing of audio from one ear into the other. Mix is selected by the MODE button - when enabled the MIX light above the MODE button will light. (9) – CW SPEED Provides manual control of the WinKeyer2. Minimum and and Maximum speeds are defined by software.
microHAM © 2006 All rights reserved 4 - INSTALLATION Installing MK2R consists of several steps: 1) preparing MK2R to work with your radios 2) installing microHAM USB Device Router (the control and interface software) 3) installing the USB drivers 4) configuring the Windows USB Audio Devices 5) configuring Router 6) setting audio levels Preparing MK2R for Use DO NOT apply power to MK2R at this time. 1. Turn off both radios and make MK2R rear panel accessible. 2.
microHAM © 2006 All rights reserved 10.Prepare but DO NOT connect USB cable to the USB jack of the MK2R at this time.
microHAM © 2006 All rights reserved Installing microHAM USB Device Router To install Router click on the Install USB Device Router link on the installation CD or download the most recent installation package from the microHAM web site: www.microHAM.com/downloads.html. Note: Router is updated regularly. Check the web site at: www.microHAM-USA.com/downloads.html for the most recent version. If you download an updated package, click on "urouter_release_xx_yy_zz.
microHAM © 2006 All rights reserved Installing the USB DRIVER Connect one end of the USB cable to the MK2R or MK2R+ and plug the other end into an open USB port in your computer. The automatic Wizard will appear, insert the installation CD into the CDROM drive. Select "No, not this time" when asked to connect to Windows Update, then click "Next." Now, select "Install from list or specific location (Advanced)" and click "Next.
microHAM © 2006 All rights reserved Configuring the USB Audio CODEC and USB Voice CODEC (MK2R+ only) Windows will automatically install the USB Audio Device driver to support the USB Audio CODEC and USB Voice CODEC in MK2R+. Windows automatically selects any newly installed audio device as the default device for Sound Playback and Sound recording.
microHAM © 2006 All rights reserved Configuring the microHAM USB Device Router The microHAM USB Device Router (Router) program provides a Windows compatible configuration tool for microHAM USB Devices (MK2R or MK2R+ as well as DIGI KEYER, microKEYER, CW Keyer and USB Interfaces) and software interface to other Windows applications (logging software, digital mode software, etc.). The software interface is provided as Virtual Serial Ports.
microHAM © 2006 All rights reserved Creating and Using Virtual Serial Ports microHAM Router provides a set of virtual serial ports which allow Windows applications (logging and digital software) to work with MK2R just as they would work with "real" (hardware) serial ports. In order to use these virtual Ports, you must first create the ports and then assign a port to each function you wish to use (radio control, PTT, CW, FSK, etc.).
microHAM © 2006 All rights reserved 5. microHAM USB DEVICE ROUTER ROUTER MENU Restore Router Settings: used to restore settings from a urs file created by the backup command. A urs file can be used only with the device for which it was generated (the file contains the unit serial number) on a computer with same port assignments. Warning: Restoring a backup deletes all current Router settings including presets, use it carefully! Backup Router Settings: used to create backup urs file.
microHAM © 2006 All rights reserved Minimize: Clicking this will minimize Router to the system tray at the bottom right corner of the Windows Task Bar (the "System Notification Area"). TIP: When Router is minimized you can restore it by double-clicking on the Router tray icon. You can also restore Router by double-clicking on the Router icon on the desktop or in the Programs menu. Exit: Clicking on this item will terminate Router.
microHAM © 2006 All rights reserved The presets and the current router configuration are stored to the registry when Router is closed and recalled when Router is loaded. Save as - Saves the current Router settings to a preset for future use. Rename - Allows renaming of an existing preset. Delete - Delete chosen preset. Show buttons - When checked, Router shows the preset buttons. DEVICE MENU Router can control several devices.
microHAM © 2006 All rights reserved Store as Power-Up Settings: - will store the current settings of the Audio Switching, PTT, FSK, WinKey, SO2R and the ACC tab to the MK2R's EEPROM. If MK2R is powered-up without connection to the computer it will use the settings stored in EEPROM. If an operating MK2R is connected to Router, the power-up settings will be overridden by the Router settings but the default settings are retained in EEPROM.
microHAM © 2006 All rights reserved VIRTUAL PORT MENU It is necessary to create several virtual serial ports (COM ports) in order for a Windows application (logging, control or digital mode program) to access microHAM devices. Create - Creates virtual COM ports. It is possible to select more ports at once by holding the Ctrl key on the keyboard and clicking on COM port numbers. Creating a virtual port may take a while, be patient. Delete - Deletes any single virtual port.
microHAM © 2006 All rights reserved DEVICE CONFIGURATION TABS There are ten (10) tabs for configuring MK2R. Each tab controls part of MK2R's functions. Except for the CW Messages and FSK Messages tabs, any change is applied immediately to MK2R. Changes in the Messages are only applied in response to the Store or Store All buttons.
microHAM © 2006 All rights reserved PORTS TAB Once the virtual ports have been created they must be associated with a specific function or device channel (e.g., Control, CW, PTT, etc.). These assignments should correspond to settings of the application software and must be configured first in Router then in the application (e.g., logging or digital mode program). Proper configuration of the COM port assignments in this tab is critical for proper operation with application software.
microHAM © 2006 All rights reserved TIP: If the application permits, always configure the Radio Control port to use two stop bits. Communication is a little bit slower (9%) but more reliable. Data flowing through the Control channel is indicated by two arrows. A green arrow shows data flow from the host application to the radio and a red arrow shows data flow from the radio to the application. TIP: If the application provides PTT (T/R) by radio control (CAT) turn this function OFF.
microHAM © 2006 All rights reserved Unfortunately, many radios fail to provide a separate mode for digital operation or the control protocol implemented in the radio does not report the digital mode when operating AFSK, PSK and other audio based digital modes. This is true for all Kenwood transceivers as well as many Icom and Ten-Tec radios. In those cases, digital operation must done using voice modes (USB, LSB or FM).
microHAM © 2006 All rights reserved Note: "Disable router queries" disables Router polling only when port has been opened by an application. When the virtual port is closed, Router always polls the radio to support the automatic switching functions of MK2R. If you want to completely disable all polls, select "none" instead of the radio model in the Radio box. Warning: Always select "none" when configuring microHAM Band Decoder through MK2R.
microHAM © 2006 All rights reserved The virtual port used for FSK can also support PTT (required by MMTTY). When you use MMTTY, select the PTT box and RTS will used for PTT. Do not use the FSK port for any other function. TIP: If you see a baud rate other than 45.5 baud (e.g., 4800 or 9600), the application is NOT configured correctly for FSK RTTY operation. FSK data flowing through the channel is indicated by green arrow.
microHAM © 2006 All rights reserved PTT PORT The PTT channel is used to control transmit/receive switching of the transceiver, Power Amplifier and Low Noise Preamplifier (LNA). An internal sequencer assures 100% protection against transmitting through the LNA or hot switching of the PA when the PTT channel is used. More information about T/R switching, MK2R PTT outputs and the sequencer is provided under the PTT/FSK tab. Router allows assigning a virtual serial port for PTT using DTR or RTS signals.
microHAM © 2006 All rights reserved WinKeyer2 WinKeyer2 is the next generation of the unique external CW processor developed by Steve Elliott, K1EL: WinKey with integrated dual radio support. This CW processor supports paddle input like any other electronic keyer, is highly configurable, and converts input received in ACSII (text) format to Morse characters. This unique property assures perfectly timed CW output regardless of operating system load.
microHAM © 2006 All rights reserved CW/PTT steering When manual control of transmit focus is selected in MK2R, CW (including WinKey) and PTT signals will be redirected to the active (selected) radio. This function was implemented to avoid confusion and assure "expected" behavior. This means that CW and PTT signals for both radios will be directed to the selected (active) radio.
microHAM © 2006 All rights reserved - This function is used by software to mute the microphone during message (F1-Fn) PLAYBACK and avoid mixing noise from the microphone with message. During playback, the microphone is muted; after the message is completed the microphone is unmuted allowing VOX operation. Note: manipulating the microphone controls (slider or select/mute box) in the RECORDING window has NO effect because you are NOT recording.
microHAM © 2006 All rights reserved From transceiver headphone outputs to the operator headphones. MK2R allows fully customized audio selection of both radio outputs (and outputs from both receivers if radios with dual receivers are used). Audio from the transceiver headphone jacks is connected to the MK2R rear panel headphone input, (optionally) mixed with other audio sources and switched to the operator headphones connected to the MK2R front panel headphone jack.
microHAM © 2006 All rights reserved There are three audio configurations (settings): – setting A: disconnects the computer generated audio and connects the microphone directly to the transceiver microphone input. – setting B: routes the audio generated by computer to the transceiver rear panel audio input (PKT, AUX, or ACC depending on manufacturer). This audio routing is used for digital mode operation and sound card SC2 (MK2R) or USB Audio CODEC (MK2R+) output.
microHAM © 2006 All rights reserved 2. Transmit by computer generated PTT or WinKey PTT. This setting is displayed in the MIDDLE picture and indicated by the second letter of the settings (ACmA). The current operating state is indicated by a large black frame around the switching picture. A: Computer audio is disconnected from the radio and the station microphone is connected directly to the transceiver microphone jack. This setting is for VOX operation.
microHAM © 2006 All rights reserved FIXED and FOLLOW RADIO Audio Switching Router provides two modes to select the audio configuration, Fixed and automatic - Follow radio mode. TIP: If Router can read frequency and mode from your radio (Ports tab | Set) use Follow radio mode. It will provide automatic selection of the appropriate audio configuration.
microHAM © 2006 All rights reserved When Router is able to read the operating mode, Follow Radio provides the greatest flexibility and ease of operation. The same settings are available as with Fixed Mode but switching among them is automatic based on the operating mode (and, optionally, frequency). The current mode is displayed on the Ports tab. This mode is translated to the VOICE, DIGITAL, FSK or CW groups. The selected audio routing is indicated by a black frame around the setting combo box.
microHAM © 2006 All rights reserved AUDIO MIXER TAB The sound card configuration depends on the capability of your application software. Some software can directly control the sound mixer, some can not. Router's Audio Mixer tab provides exceptional control over the sound cards or codec with all level settings stored in the presets for each program (or configuration).
microHAM © 2006 All rights reserved Note: Because Windows can reassign sound cards while in use, Router may not invoke the proper mixer. To check that the proper mixer has been assigned, click the Get ID button and confirm that the proper sound card is selected. If the names do not match, restart Router. REC MIC (software voice message recording level) This control adjusts the level of microphone signal which will be used for recording voice messages by the logging application.
microHAM © 2006 All rights reserved If you need to adjust the transceiver drive level during operation you can use the front panel controls and leave the settings in the Audio Mixer untouched. Knob TX1 (11) adjusts the drive for RADIO1, knob TX2 (14) adjusts the drive for RADIO2. With MK2R+ you can take advantage of the internal Voice CODEC to adjust transmit audio equalization. Click on the TX Mixer button, select Options and enable Advanced Controls.
microHAM © 2006 All rights reserved Some tips from Geoff Anderson, G3NPA: TIP: If you have achieved the correct settings for the transmit levels, you will see that changing from the PSK tuning tone to typing text, will make the transmitter power swing from 50% (no typing) to 100% (typing or tuning-tone) as observed on an RMS or average reading meter. This change in power is correct. If you do NOT see a 50% (or more) change, you are probably overdriving the radio.
microHAM © 2006 All rights reserved PTT/FSK TAB On this tab you can configure operation of PTT and keyboard FSK. This defines the interactions among the multiple PTT input and the PTT outputs. PTT INPUTS MK2R has several PTT inputs available for each radio: PTT generated by the logging program on the virtual COM port RTS or DTR 2nd PTT generated by a second application on the virtual COM port RTS or DTR Both PTT and 2nd PTT generate the same Serial PTT input (they are logically in parallel).
microHAM © 2006 All rights reserved PTT OUTPUTS MK2R has four (4) PTT outputs for each radio: PTT1, PTT2, PAPTT and LNA PTT. PTT1 and PTT2 are brought out to the DB37 Radio connector. PAPTT and LNA PTT are RCA jacks for connecting to external devices. PTT1 is wired to the radio microphone jack and is used to switch the radio into transmit in VOICE and CW mode. PTT2 is wired to the radio Accessory jack and is used to switch the radio into transmit in DIGITAL and FSK modes.
microHAM © 2006 All rights reserved PA PTT is available at the MK2R rear panel RCA jack and is designed for switching a power amplifier. PA PTT is enabled by checking the PA PTT box. PA PTT will close before transceiver PTT by the amount of selected PTT Delay and will open at the same time as the transceiver PTT. Note: PTT delay should be a few milliseconds longer than the T/R delay of the amplifier.
microHAM © 2006 All rights reserved – DIGITAL modes are: PKT, DIG and DATA. There are four available settings. PTT2 Immediate is appropriate for applications which provide for setting a PTT lead time. PTT2 delayed should be used with applications which do not permit setting a PTT delay. PTT1 immediate should be used when radio does not have a dedicated digital mode input and you must use the microphone (or Patch) input. (No PTT) is suitable only for testing purposes.
microHAM © 2006 All rights reserved Invert FSK: Unlike AFSK, an FSK signal cannot be inverted by most application programs (like MMTTY) because the UART used in a normal serial port lacks that capability. Since MK2R is a software defined interface it can be made to invert the FSK signal. When the Invert FSK box is checked MK2R changes the “at rest” state of the FSK output and front panel FSK light. The green FSK LED will light continuously (Mark) and go off when FSK is shifted (Space).
microHAM © 2006 All rights reserved CT space - Selects “contest” word space (six dits long instead of seven). Speed pot min/max - Min/Max value of the front panel speed knob (9) in range 5 to 99 WPM. Farnsworth speed – Sets the Farnsworth keying speed (10 to 99 WPM range, 0 disables this feature). DIT / DAH - DIT/DAH ratio from 1:2 to 1:4 in hundreds. Accepted numbers are from 200 to 400. Weighting - Weighting in percentage (from 10 to 90%).
microHAM © 2006 All rights reserved CW from Keyboard Type ahead – enables type ahead when using a PS/2 keyboard. Characters are transmitted after a space (word mode). or when the buffer has reached its limit (16 characters). QWERTZ layout – changes keyboard to European QWERTZ layout. Auto Numbering Leading zero as T – sends leading zeros in contest report as T. For example 001 will be send as TT1. Zero as T – sends all "zeros" in contest report as T. For example number 100 will be send as 1TT.
microHAM © 2006 All rights reserved FSK MESSAGES TAB MK2R allows defining nine messages of up to 50 characters each which are stored in non-volatile memory. Each memory may repeat with a programmable delay (loop) or call another memory (chain). Commands which may be included in a memory are: Set PTT: Clear PTT: CR & LF: Figure: Letter: Blank: Letter: close PTT. release PTT.
microHAM © 2006 All rights reserved DVK TAB MK2R allows recording and playing nine voice messages per bank and an unlimited number of banks (limited only by the capacity of the computer hard disk). Banks can be managed with Rename, Add and Remove buttons. Rename to rename the current bank, Add to create a new bank, and Remove to delete the current bank. Bank selection is provided by Bank box.
microHAM © 2006 All rights reserved SO2R TAB The SO2R Tab permits configuring MK2R/MK2R+ to accept the signals are used by each program to select transmit and headphone focus and the way MK2R/MK2R+ responds to those inputs. Computer AUTO Control: MK2R can be switched to AUTO TX Focus mode and AUTO headphone switching mode. In these modes both transmit and receive focus (selection) is under software control. MK2R provides two ways for the application to control focus.
microHAM © 2006 All rights reserved Each signal can be inverted if necessary. The state of the signal is represented by a RED arrow. "Follow TX focus" is a special setting that does not require separate application control. Headphone audio is selected automatically with with the transmit focus. 3. Stereo Headphones: Forces stereo headphone (split) mode regardless of operating state.
microHAM © 2006 All rights reserved Use classic auto mode: when used, MK2R does not use advanced headphone audio combinations. Headphone switching behaves the same way as classic SO2R controllers. Stored functions will be also simplified but the content of the stored scenario will be retained. This allows classic mode to be turned on/off without the need to modify the stored function (scenario). Reverse operating logic: when used, the current operating logic is reversed.
microHAM © 2006 All rights reserved ACCESSORY (ACC) TAB MK2R's Accessory connector supports 12 I/O functions which can be assigned to six "ports." Note: all lines are TTL level. If you use them, be sure to user proper buffering and/or level conversion. The state of each line is indicated with a red arrow for high (+5V). The left half of the Accessory tab is for RADIO1 (pins 4-9) - the right half for RADIO2 (pins 2,3 and 10-13).
microHAM © 2006 All rights reserved FUNCTIONS TAB The Functions Tab provides a tool for managing the operating modes. Audio switching for each of MK2R's six “states” can be defined graphically and each of the eight “Function” memories can be written to the MK2R. Each check box on the Function Tab indicates that the associated LED/control is on. Note: the Transmit State (TX on R1, TX on R2) will override the RX focus state. Note: the Transmit State is ignored if “Latch” is checked.
microHAM © 2006 All rights reserved 6 - MK2R OPERATION Setting Audio Levels For optimum operation in Voice and AFSK Digital modes, MK2R and Router requires proper drive levels. Each control was explained in detail in the AUDIO SWITCHING, AUDIO MIXER and DVK sections. Following a step-by-step approach will help you to set proper levels. 1. Open the Audio Mixer Tab of Router and confirm the proper sound cards are selected for both the Voice (left side) and Digital (right side) functions.
microHAM © 2006 All rights reserved 3. Set the RADIO1 and RADIO2 microphone trimmers (located just to the front of the RADIO1 DB37) in middle of their range (towards each other). 4. Set front panel TX1 and TX2 knobs to 12 o'clock. 5. Press RADIO1 transmit focus button on MK2R front panel. 6. On the Audio Switching tab, select RADIO1 and choose Fixed settings VOICE ACmA. 7. On the PTT/FSK tab, choose "Fixed PTT1 immediate." 8.
microHAM © 2006 All rights reserved 25. Press Test Signal button and adjust for proper (normal) drive level using the R1 Master and R1 Line sliders. Do not touch MIC GAIN on radio, TX1 knob on the MK2R front panel or the RADIO1 trimmer inside MK2R. 26. Repeat steps 4 – 25 for RADIO2. 27. This will have set proper levels for both radios and all modes. We suggest that you to store these Router settings to the last preset. Click Preset | Save as, choose position number 12, name it Default and store settings.
microHAM © 2006 All rights reserved If dual foot switch operation is selected, pressing a foot switch will not change TX focus. When the foot switch of the unselected radio is pressed, MK2R moves TX focus to this radio temporarily. When the foot switch is released, MK2R returns to focus to the selected radio and resumes AUTO focus. Understanding Headphone Switching Like TX focus, headphone switching can operate in, MANUAL and AUTO modes.
microHAM © 2006 All rights reserved If one radio is in CW, LSB or USB using “Voice codec SC1” and one radio is in digital mode using “Audio Codec SC2” NO sound card will be connected to the headphones (both are in use) even if SC is selected for the headphones. TIP: To confirm that your logging program, digital program, or DVK is sending audio to the radio you can temporary monitor the output of the transmit sound card in the headphones.
microHAM © 2006 All rights reserved 5. Press TX focus RADIO1 button. 6. With LEFT/RIGHT EAR and + button select required headphones audio for 1st state. 7. Press TX focus RADIO2 button. 8. With LEFT/RIGHT EAR and + button select required headphones audio for 2nd state. 9. Press TX focus RADIO1 button and switch RADIO1 to transmit. 10. With LEFT/RIGHT EAR and + button select required headphones audio for 3rd state. 11. Press TX focus RADIO2 button and switch RADIO2 to transmit. 12.
microHAM © 2006 All rights reserved Understanding Interlocks MK2R provides several kinds of interlocks and timing protection. When a radio is locked, MK2R immediately disables all inputs which can cause the radio to generate power (microphone, sound card output, CW, PTT1, PTT2, and PAPTT) to the "locked" radio and keeps them disabled as long as the condition that generated the lock remains.
microHAM © 2006 All rights reserved INHIBIT OUT: When a pin is configured as inhibit output, it can be connected to the transceiver inhibit ("LINEAR") input with the proper driver to assure completely safe, hot switch free operation even if the transceiver is operated in VOX or is switched to transmit by CAT command. MK2R automatically generates an INHIBIT signal on beginning of each transmission for a PTT Delay period defined on PTT/FSK tab.
microHAM © 2006 All rights reserved External Keyboard/Numeric Keypad Note: The keyboard must be PS/2. A USB keyboard with PS/2 adapter will not function properly. std.
microHAM © 2006 All rights reserved 7 - HARDWARE SPECIFICATIONS USB: USB 2.0 Full speed, USB 1.1 compatible Power consumption: USB – less than 300mA Power supply – less than 300mA at 13.8V (max. 16V) Radio Ports: 2 x RxD, TxD – max.
microHAM © 2006 All rights reserved 8 - PACKAGE CONTENTS The product includes MK2R or MK2R+, USB cable, LPT cable, six (6 - MK2R) or two (2 - MK2R+) stereo audio cables, headphone cable ending with two (2) 6.3mm (1/4”) plugs, two (2) 3.5mm (1/8”) plugs, one (1) coaxial 2.1mm/5.5mm power plug, two (2) RCA to RCA cables, and CD-ROM containing the microHAM USB Device Router program and documentation. If the shipment is incomplete, please contact us at the following address: E-mail: support@microham.
microHAM © 2006 All rights reserved DECLARATION OF CONFORMITY Federal Communications Commission Statement (USA) This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. European Union Declaration of Conformity microHAM, s.r.o.
microHAM © 2006 All rights reserved APPENDIX A – DB37 RADIO CONNECTOR Pin # Label Description 1 N/C No contact 20 RS232 RTS RS232 radio port RTS output 2 RS232 CTS RS232 radio port CTS input 21 IF-FIF iface matrix - used for configuring desired levels for radio control interface 3 IF IN iface matrix - used for configuring desired levels for radio control interface 22 FIF IN iface matrix - used for configuring desired levels for radio control interface 4 RS-TTL OUT iface matrix - used
microHAM © 2006 All rights reserved APPENDIX B – DB25 ACCESSORY CONNECTOR Pin # Label Description 1 NC N/A 14 NC N/A 2 PIN2 Configurable I/O, TTL levels, max 4mA load, RX DATA Serial 1 15 +5 5V output, max.
