2040 User Guide DX2040 portable true diversity receiver – page 3 miniTX miniature pocket transmitter – page 7 TX2040 pocket transmitter – page 14 HX2040 handheld transmitter – page 20 SwitchiR infrared remote control – page 26 Control-X transmitter controller – page 28
CHAPTER 1 Introduction The 2040 range has been designed as a result of extensive feedback from professional sound specialists and sets a new benchmark for radio microphone systems, with several unique features and offering benefits to appeal to sound mixers, directors, and artists. DX2040 . . . . . . TX2040 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHAPTER 1 SwitchiR . . . . . . . . . . . . . . . . . . . . . . . . The SwitchiR is an infra-red remote control unit the size of a key fob, which can be used to access all the user-settable functions of the TX2040 and HX2040. Functions include transmitter frequency, audio level, battery status, serial number, and user identification. Control-X . . . . . . . . . . . . . . . . . . . . . . . .
CHAPTER 2 DX2040 Receiver The DX2040 true diversity receiver in the RMS2040 range can be used with the TX2040 pocket transmitter and the HX2040 handheld transmitter. It is also fully compatible with the TX2020 and TX2000 UHF transmitters. All settings on the DX2040 receiver can be read or changed via infra-red using the SwitchiR or AudiR© for Palm™. Top panel Controls, display and connections Audio output . . . . . . . . . . . . . . . . . . . . . . . .
DX2040 Receiver TX/DX low battery indicators Insert two 1.5 volt AA (LR6) type batteries, negative contact Illuminate when the unit detects low battery power in either first as shown on the side of the unit, and close the cover. Do the TX2040 Pocket Transmitter or DX2040 Receiver. The units not use excessive force. should not be used when a low battery power indicator is Connecting the antennae illuminated as poor operation may result.
DX2040 Receiver For example: 01 the display shows: the receiver and press OK. from the receiver until the required channel or frequency is displayed. The display will show the current output level setting; for example: CHANNEL 32 -07 dB Rx • Press the OK button. the receiver and press OK. The AF level display will flash. If the command was received correctly the display will show • Press the a or v button to step between the available the new frequency.
DX2040 Receiver External powering • Repeat the above steps if an error message is displayed, moving the SwitchiR closer to the infra-red port. Audio Ltd has a large selection of cables available for a variety of different applications. If the DX2040 receiver is to Checking the DC power status be externally powered, ensure that the appropriate cable is To check the status of the receiver’s DC power: used. • Press MENU. • Press a three times until the display shows: Technical specification . . . . .
CHAPTER 3 miniTX The miniTX transmitter is the smallest transmitter in the Audio Ltd range. Designed as a rounded form to be very easily concealed. All settings can be set and changed via the infra-red port using the SwitchiR™, and the miniTX can also be turned on and off through clothing using the Control-X. There are two versions of the transmitter available: one with a 4-pin Lemo connector and the other with a 3-pin Lemo connector. Controls, display and connections . . . . . . . . . . . . . . . . . .
miniTX Transmitter Setting up the miniTX . . . . . . . . . . . . . . . • Insert two AAA (LR03) type batteries as shown in the . . . . . . . . . diagram on the miniTX cover. To set up the miniTX: • Close the battery compartment and tighten the battery compartment retaining nut in a clockwise direction. Take • Fit the batteries. care not to over tighten. • Connect the antenna. • Switch on by plugging in the microphone or input cable.
miniTX Transmitter Switching off To change the frequency: To turn the transmitter off remove the Lemo plug, or put the • Press OK. miniTX in sleep mode by switching it off using the SwitchiR. Alternatively the miniTX can be turned off or on, even The display will alternately flash between showing the through clothing, using the Control-X. frequency and channel number.
miniTX Transmitter Setting the gain For example: The steps between gain settings 2-9 are approximately 3 Tx to 4dB. Set the gain position so that the Overload indicator Otherwise the display shows: does not flash on during normal operation. To check the gain setting: 9 Error • Repeat the previous steps if an error message is displayed, moving the SwitchiR closer to the infra-red • Press MENU followed by a. port.
miniTX Transmitter Infra-red disable . . . . . . . . . . . • Align the front of the SwitchiR with the infra-red port on the transmitter and press OK. . . . . . . . . . . . . . You can protect the miniTX from an accidental change If the command was received successfully the new setting of settings, such as in a live performance, by disabling will be displayed. the infra-red port on the transmitter.
miniTX Transmitter When not in use the power should be switched off by • Align the front of the SwitchiR with the infra-red port on removing the microphone plug or input cable. the transmitter and press OK. Putting the miniTX into sleep mode The display shows the current FREQUENCY • Press MENU followed by v. frequency; for example: Tx The display will indicate: Alternatively, you can use the Control-X to turn the miniTX OFF Tx on again.
miniTX Transmitter Technical specification . . . . . . . . . . . . . . . . . . . . . . . . Frequency range 470MHz–1000MHz Number of frequencies 32 pre-programmed Frequency stability Better than ETS 300–422 Switching range Up to 24MHz Output power 25mW nominal RF output connector SMA 50Ω Audio input connector 4 pin Lemo™ Other variant available: 3 pin Lemo™ System frequency response 50Hz to 18kHz ±1dB System THD measured at 1kHz <0.1% at working levels <0.
CHAPTER 4 TX2040 Pocket Transmitter The TX2040 is a small, lightweight battery-powered pocket transmitter for use with a wide range of lapel microphones. All settings can be read and changed via the infra-red port using the SwitchiR™. Controls, display and connections . . . . . . . . . . . . . . . . . . . . . . . Battery compartment . Holds a 6LR61 type 9V alkaline battery. Top panel Audio input On (green) Overload (orange) Audio input socket Allows a microphone or input cable to be connected.
TX2040 Pocket Transmitter Note: Positions 0 and 1 (8 and 9 on the TX2020) provide line- Do not use excessive force: level input. Setting up the TX2040 . . . . . . . . . . . . . . . . . . . . . . . . To set up the TX2040: • Fit the battery. • Connect the antenna. • Switch on by plugging in the microphone or input cable. + _ • Check or select the operating frequency. • Check that the receiver’s no signal indicator is not illuminated. • Check or set the microphone gain.
TX2040 Pocket Transmitter The LED flashes green when the battery voltage falls below The display will alternately flash between showing the 6.5V. The unit should not be used when the battery is low as frequency and channel number. poor operation may result. For example: CHANNEL 01 Connecting the audio input • Connect the microphone or input cable to the six-pin • Press a or v to scroll through the 32 frequencies read Lemo socket.
TX2040 Pocket Transmitter To check the gain setting: Otherwise the display shows: Error • Press MENU followed by a. • Repeat the previous steps if an error message is The display will indicate: AF LEVEL TxRx displayed, moving the SwitchiR closer to the infra-red AF port. • Align the front of the SwitchiR with the infra-red port of Setting the low frequency cut filter the TX2040 and press OK.
TX2040 Pocket Transmitter If the command was received successfully the new setting button is pressed, or the battery is disconnected and will be displayed. reconnected via the microphone plug. For example: Disabling the infra-red port On Tx • Press MENU. • Press v twice.
TX2040 Pocket Transmitter Putting the TX2040 into sleep mode Technical specification . . . . . . . . . . . . . . . . . . . . . . . . • Press MENU followed by v.
CHAPTER 5 HX2040 Hand-Held Transmitter The HX2040 is a multi-frequency UHF hand-held transmitter for use with all the receivers from the RMS 2040, RMS 2020, and Envoy ranges. It is also compatible with the older RMS 2000 range. It provides 32 switchable frequencies, and is configured entirely by infra-red control using the supplied SwitchiR.
HX2040 Hand-Held Transmitter Setting up the HX2040 . . . . . . . . . . . . . . . . Windshield To set up the HX2040 : Anti-roll ring • Fit the battery. . . . . . . . • Switch on by pressing and holding the grey On button below the infra-red port for one second. • Check or select the operating frequency. Microphone capsule • Check or set the gain. Microphone mount • Check the battery status. • Check or set the low frequency cut filter.
HX2040 Hand-Held Transmitter Switching on For example: CHANNEL 01 * Press and hold the grey On button below the infra-red port for one second until the ring above the battery • Press a or v to scroll through the 32 frequencies read compartment glows red. from the transmitter until the desired frequency or channel is displayed. When not in use the power should be switched off using the SwitchiR, as described below.
HX2040 Hand-Held Transmitter The display will indicate: Setting the low frequency cut filter AF LEVEL TxRx AF The LF cut filter gives an approximately 10dB cut at 50Hz to reduce handling and wind noise. • Align the front of the SwitchiR with the infra-red port of the HX2040 and press OK.
HX2040 Hand-Held Transmitter Otherwise the display will show: The display Error will show: • Repeat the previous steps if an error message is dISABLE TxRx TxRx • Align the front of the SwitchiR with the infra-red port on displayed, moving the SwitchiR closer to the infra-red the transmitter and press OK. port. If the command was received Checking the battery status successfully the display will show: • Press MENU.
HX2040 Hand-Held Transmitter Holding the HX2040 . . . . . . . . . . . . . . . . . . . . . . .
CHAPTER 6 SwitchiR Infra-Red Controller The SwitchiR is a compact custom-designed infra-red controller for use with the 2040 Range. It provides functions to allow you to read the status of a device, or change its settings. In addition it includes a convenient built-in 9V battery tester: Menu/On button < Turns on the SwitchiR . The display will initially show the O K M en u > frequency screen: FREQUENCY Fr Controls . . . . . . . . . . . . . . . . . . . . . . . .
SwitchiR Infra-Red Controller Using SwitchiR . . . . . . . . . . . Menu . . . . . . . . . . . . . Full instructions for using SwitchiR with each of the products Sn Press OK to read the serial number of a receiver or transmitter and display it on the display. The serial number consists of a six-digit prefix followed by a two-digit suffix, and these are flashed alternately on the display. User ID Displays the unit’s user ID. You can edit the user ID using the AudiR™ application.
CHAPTER 7 Control-X Transmitter Controller The Control-X uses electromagnetic induction to switch on or off the miniTX or the TX2040 transmitter, or check its frequency, even when the transmitter is hidden beneath clothing. It has a built-in frequency counter and battery tester. Controls, display, and connections . . . . . . . . . . . . . . . . . . . . . . . Green on indicator . Indicates a signal received from the transmitter.
Control-X Transmitter Controller Switching on Checking whether the miniTX or TX2040 is switched on To switch the miniTX or TX2040 on, even through clothing: You can use the Control-X to check the status of the transmitter, without switching it on or off, as follows: • Hold the Control-X within 20cm (8") of the transmitter. • Press and hold the ON button and slowly wave the • Hold the Control-X more than 20cm (8") away from the Control-X in front of the transmitter.
Control-X Transmitter Controller Checking battery voltages . . . . . . . . . . . . . . . . . Measuring a battery . . . . . . . • Hold the 9V 6LR61 type battery against the two metal Checking the Control-X battery terminals on the side of the Control-X without pressing • Press the ON and OFF buttons simultaneously, and any buttons. release them.
Declaration of conformity EC Declaration of Conformity Déclaration de conformité pour la CEE EG-Konformitäts-Erklärung Certificato di conformitá comunitario Declaración de Conformidad EG-Conformiteitsverklaring AUDIO LIMITED Audio House, Progress Road High, Wycombe, HP12 4JD, U.K.