User's Manual Part 1

5-24
STEP PROCEDURE, CONTINUED
1
Is radio protected (hot-standby or frequency diversity)?
If yes, go to step 2.
If no, go to step 3.
2 Use front panel OVRD controls on AE-37( ) Controller to switch and lock
on-line opposite side XMTR, RCVR, and I/O to opposite side from failed
power supply.
3
Do you want to remove or install power supply module?
If remove, go to step 4.
If install, go to step 7.
REMOVE:
4
On failed power supply, set PA ON/OFF switch to OFF .
5
On failed power supply, set POWER ON/OFF switch to OFF .
6
Perform removal steps shown on Figure 5-15.
INSTALL:
7
Perform installation steps shown on Figure 5-15.
8
Was XMTR, RCVR, and I/O switched (step 2)?
If yes, go to step 9.
If no, go to step 10.
9
On AE-37( ) Controller, toggle OVRD switch to disable override (unlocks
on-line XMTR, RCVR, and I/O and restores automatic switching
functions).
If radio is not equipped with power amplifiers and the PA ON/OFF switch on
the power supply is accidently turned on, the OFF NORM alarm on the power
supply and the Off Normal alarm on the USI Status Alarm screen will light.
The off normal message on the USI Status Alarm screen will be blank.
Note