APX
TM
 7500 O5 
13 
Index 
Preparing Your Radio for Use 
 Validating Compatibility During Power Up 
The radio validates and updates the software and 
hardware of your control head(s) during power up. 
Follow the procedure below when your radio runs this 
task. 
 
1 The display shows MAINTENANCE MODE REMOTE 
DEVICE; promptly followed by other maintenance 
statuses. 
2 The display shows UPDATE DONE PLEASE RESET 
upon completion. 
OR 
The display shows UPDATE FAILED PLEASE RESET 
when it fails to update. 
3 Press the Power On/Off Button to reset. The radio 
runs the usual power up operation if the software update 
are complete. 
OR 
The radio runs the Maintenance Mode if the update is 
not complete and repeat step 1. 
Note: If SW INCOMPLETE appears, use Flashport 
Recovery Tool to update the control heads before you 
power on the radio again. 
Power On/Off Button 
Emergency Button