User's Manual

701-070801 Rev A This document contains proprietary information,
see proprietary statement on first page.
Page 10 of 85
Figure 5 Factory-Configuration-Error Screen
6.3 POWER OFF
If aircraft power is removed while the PMR is in operation, the PMR shall be able to restore the following
from non-volatile memory upon reapplication of aircraft power.
Current active channel for each transceiver
Current volume level for each transceiver
Current active transceiver
Audio Levels
The operator shall be able to turn the PMR off by pressing and holding the “ON” button. While the “ON”
button is being held down, the PMR shall do the following:
1. Go to full brightness.
2. Display the System Shutdown screen depicted in Figure 6.
3. Count down the seconds remaining until system turns off from 3 to 0.
4. When the count hits 0, power off.
If the operator releases the “ON” button prior to 3 seconds elapsing, the display shall return its previous
state.