Specifications
RMU800A SERVICE MANUAL 
- 3 - 
Microphone 
LCD Display 
Indicator  Description 
1.  Display zone / channel number. 
2.  Display zone / channel label (set by your dealer, up to 12 alphanumeric 
characters). 
3.  Display channel Frequency 
4.  Display the preprogrammed function 
1.  Display zone / channel number. 
2.  Display transmit power level (H, M or L). 
3.  Display the preprogrammed function. 
Appears when the selected channel is busy. 
Appears when [MONI] key is pressed to disable CTCSS, CDCSS, DTMF or 
2-Tone/5-Tone. 
Appears when [MONI] key is pressed to switch the speaker on. 
A 
1.  Indicate second development feature. 
2.  Appears when the auxiliary port is open. 
SCAN  Appears while scanning. 
CALL  Appears when transmitting selective call. 
Appears when a new message is received. 
Appears when the selected zone is in the scan list. 
Appears when the selected channel is in the scan list. 










