Specifications
RMU800A SERVICE MANUAL 
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No.  Function  Setting  Display  Remarks 
None 
AUX 5 
None 
External PTT 
AUX 5 
External PTT 
Input 
Data PTT 
AUX 5 
Data PTT 
Input 
Speaker Mute 
AUX 5 
Speaker Mute 
Input 
External Monitor 
AUX 5 
ExternalMoni 
Input 
Up Key 
AUX 5 
Up Key 
Input 
Down Key 
AUX 5 
Down Key 
Input 
External Hook 
AUX 5 
ExternalHook 
Input 
Emergency 
AUX 5 
Emergency 
Input 
Mic Mute 
AUX 5 
Mic Mute 
Input 
RxCarrier 
AUX 5 
RxCarrierOut 
Output, L: Carrier;      H : No carrier 
RxTone 
AUX 5 
RxTone Out 
Output, L: CTCSS/CDCSS match 
AUX A 
AUX 5 
AUXA Out 
Output controlled by [AUX A] key 
7 AUX5 
AUX B 
AUX 5 
AUXB Out 
Output controlled by [AUX B] key 










