Specifications

RMU800A SERVICE MANUAL
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 When the Function is On (press PF4, ▽ appears)
Controls Function Description
PF1 Compander on/off.
When compander opens, ▼ appears.
PF2 Beat shift on/off.
When the remove frequency is on, “A” appears.
PF3 MSK 1200/2400bps changeover.
When MSK is 2400bps，“
” appears.
PF4 Return to test mode.
PF5 No function.
PF6 No function.
1-3 Panel Tuning Mode
Controls Function Description
Up
Volume up.
Down
Volume down.
PF1
Test mode/tuning mode changeover.
PF2
Noise squelch switch.
When the squelch is on, appears.
PF3
No function.
PF4
Tuning item down.
PF5
Tuning item up.
PF6
Tuning value save and then move to the next
tuning item.
Selector Knob
Tuning value up/down.
2. Panel Test Mode
The transceiver’s transmission output, receiver sensitivity, and other items are measured and QT, DQT,
2-Tone, MSK and DTMF signalling is decoded in this mode.
2-1. To Enter the Test Mode
Hold down [PF2] key and turn the power switch on to enter test mode. The test frequency channel and
test signalling channel will be displayed.