Specifications
RMU800A SERVICE MANUAL 
- 2 - 
Radio Overview 
 Front Panel View 
① Power 
Press the power button to switch the radio on/off. 
② Selector Knob 
Volume Up/Down, Channel Up/Down, Zone Up/Down features can be programmed to this knob 
(Set by your dealer).   
Turn the knob clockwise to adjust upwards and counter-clockwise to adjust downwards. 
③ LCD Display 
Please refer to “LCD Display” section. 
④ Up/Down Key 
Volume Up/Down, Channel Up/Down, Zone Up/Down features can be programmed to the keys (Set 
by your dealer).   
⑤ Microphone Jack 
Insert a 6-pin connector into the jack. 
⑥  Programmable Function Key (PF1-PF6) 
   Your dealer can program these keys as shortcuts to various radio features. 










