Summary of RMS 2020
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88 2 the rms 2020 system is noted for its ease of use. If however you need advice or technical support at any time please contact audio ltd. All products come with free lifetime technical support, and we are also always pleased to help users of our equipment, whatever the application. Audio ltd, aud...
Page 3: Contents
88 3 contents introduction 4 the rms 2020 system ......................................................... 4 diversity reception ............................................................... 6 selecting frequencies ......................................................... 6 dx 2020 receiver 7 cont...
Page 4: Introduction
88 4 chapter 1 introduction this chapter gives a general introduction to radio microphones, and shows how the rms 2020 series products interrelate. ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ audio limited audio limited has been designing and manufacturing broadcast quality radio microphone syst...
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88 5 tx 2020 hx 2000 dx 2020 receiver rk2 mini-rack receivers receivers dk 2000 rack aerial introduction dk 2000 rack allows up to four dx 2020 receivers to be mounted and powered in a portable rack, with visual and headphone monitoring. All the uhf products from the rms 2000 range are directly comp...
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88 6 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ diversity reception when electromagnetic waves are radiated by a moving transmitter, the receiver picks up reflected signals from surrounding structures as well as the directly radiated signal. These reflected signals combine with the direct signa...
Page 7: Dx 2020 Receiver
88 7 chapter 2 dx 2020 receiver the dx 2020 diversity receiver in the rms 2020 range can be used, in conjunction with a tx 2020 or hx 2000 transmitter. Alternatively, up to four dx 2020 receivers can be rack mounted for applications where multiple wireless microphone systems are required. ○ ○ ○ ○ ○ ...
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88 8 f1/f2 selects between the two banks of 16 frequencies; see selecting the operating frequency, page 9. Headphone level adjusts the headphone level output. Use a small screwdriver to turn the control. Top panel antenna 2 rack connector audio output antenna 1 audio output provides balanced microph...
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88 9 selecting the operating frequency select the operating frequency you want to use from the label on the side of the dx 2020. Set the f1/f2 switch to f1 (first column of frequencies) or f2 (second column of frequencies). Rotate the switch on the side of the dx 2020 using a small screwdriver to se...
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88 10 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ technical specification size 147 x 64 x 20mm weight 250g temperature range -20˚c to +55˚c frequency range 470mhz–1000mhz number of frequencies 32 balanced output level -26dbm batteries 3 x 3v dl123a lithium battery life approximately 10 hours ext...
Page 11: Tx 2020 Pocket
88 11 chapter 3 tx 2020 pocket transmitter the tx 2020 transmitter is a small, lightweight, battery-powered pocket transmitter for use with a wide range of lapel microphones. ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ controls, displays, and connections top panel 012 3 456 7 8 9 antenna gain on...
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88 12 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ setting up the tx 2020 to set up the tx 2020 in conjunction with a dx 2020: • fit the battery. • set the transmitter and receiver to the same operating frequency. • connect the antenna. • switch on. • connect the microphone. • check that the rece...
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88 13 setting the microphone gain the microphone gain control should be adjusted to suit your particular requirements. Select the gain position such that the overload indicators do not illuminate during normal speech. ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ technical specification size 87 x ...
Page 14: Hx 2000 Hand Held
88 14 chapter 4 hx 2000 hand held transmitter the hx 2000 is a hand held transmitter for use with the dx 2020 diversity receiver. It provides two switchable frequencies, and can be used with a range of microphone capsules from the schoeps colette series. ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○...
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88 15 reduction of wind noise. Gain provides ten gain options; 0 gives minimum gain, and each position increases the gain by approximately 4db giving a total of 40db of adjustment. Operation indicator indicates amber when the unit is on and the battery voltage is within the working range. The indica...
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88 16 these steps are explained below: fitting the battery unscrew the battery compartment and insert a dl123a type lithium battery with the positive end uppermost. Replace the battery compartment. Selecting the operating frequency set the f1/f2 switch to select the operating frequency. The two avai...
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88 17 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ technical specification length 220mm including capsule diameter 20mm reducing to 18mm at base weight 130g temperature range -20˚c to +55˚c frequency range 140mhz–1000mhz number of switchable 2 frequencies output power 10mw nominal gain control ra...
Page 18: Rk 2 Minirack
88 18 chapter 5 rk 2 minirack the rk 2 minirack allows you to mount two dx 2020 or dx 2000 diversity receivers in one portable unit. It includes a built-in active distribution amplifier, with approximately 3db of gain, to allow up to two receivers to be fed from a single pair of antennae mounted on ...
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88 19 audio output provides microphone-level balanced outputs from the two receivers. Power input allows the receivers to be powered via an external dc supply. Antennae connects the rx1 and rx2 antennae. Front panel the indicators and controls of each receiver are visible from the top of the rk 2 ra...
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88 20 connecting the antennae connect the antennae to the sma sockets marked rx1 and rx2 on the front panel. Connect the straight antenna to one socket and the right-angled antenna to the other socket. ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ setting the output phase the rk 2 is factory set t...
Page 21: Dk 2000 Rack
88 21 chapter 6 dk 2000 rack the dk 2000 rack system allows up to four dx 2020 or dx 2000 diversity receivers to be mounted and powered in a single portable unit. A built-in distribution amplifier allows a single pair of antennae to be used. The dk 2000 allows you to monitor the rf level of any rece...
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88 22 headphone output allows any combination of receivers to be monitored via a standard qr " stereo jack socket (wired as mono). On/off switch switch the toggle switch to the down position to turn the dk 2000 on, and up to turn the unit off. Headphone level adjusts the overall output level of the ...
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88 23 internal/external switch switch the toggle switch to the down position to select internal power, and to the up position for external power. Accessory socket a four-pin hirose socket allows accessories such as an rk 2 or individual receivers to be powered from the dk 2000 via appropriate cables...
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88 24 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ audio monitoring to monitor the mixed outputs of selected receivers connect a pair of headphones to the headphone output, and press the green phones select switches for each receiver to be monitored. The selected switches will illuminate to show ...
Page 25: Troubleshooting
88 25 chapter 7 troubleshooting this chapter provides step-by-step troubleshooting procedures for any combination of rms 2020 system products. Experience has shown that the majority of problems are due to bad batteries, faulty antennae, and faulty cables, as these items are most susceptible to damag...
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88 26 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ rk 2 minirack and dk 2000 rack receivers not functioning in the rack • check that the receivers are pushed firmly home. • check that the receiver functions out of the rack. • check powering to the rack. Low range • check the antennae. • check whe...
Page 27: Cable Wiring
88 27 cable wiring diagrams transmitter line/microphone input ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ cable (900-018) xlr 3-pin socket viewed from solder side 1 2 3 2 6 4 3 1 5 lemo 6-pin plug viewed from solder side receiver/rk 2 output cable ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ...
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88 28 cable wiring diagrams receiver/rk 2 output and betacam ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ power cable (900-016) 1 2 3 2 6 4 3 1 4 2 3 1 5 xlr 3-pin plug viewed from solder side lemo 6-pin plug viewed from solder side hirose 4-pin plug viewed from solder side receiver/rk 2 output a...
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88 29 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ headphone output cable (900-063) 0.25" stereo jack socket 2 6 4 3 1 5 lemo 6-pin plug viewed from solder side ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ microphone wiring for tx 2020 beyer mce5 inner screen n/c sony ecm77, ecm55 red white bl...
Page 30: Index
88 30 index c cable wiring diagrams 27 d diversity reception 6 dk 2000 rack 4, 21 audio monitoring 24 bargraph display 24 connecting power 23 connecting the antennae 23 controls, displays, and connections 21 fitting the batteries 23 fitting the receivers 23 front panel 21 rear panel 22 setting up 23...
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88 31 index hx 2000 hand held transmitter (continued) fitting the battery 16 handling 16 selecting the operating frequency 16 setting the gain 16 setting up 15 switching on 16 technical specification 17 m microphone wiring diagrams 29 r rk 2 minirack 4, 18 cable wiring diagrams 27 connecting power 1...