Radio Transmitter Manual Switching
2.4.2
Switching the radio transmitter may momentarily interrupt
traffic. Before switching the transmitter, obtain permission
from the proper authority.
When used in conjunction with a XMTR manual switch, press the
OVRD switch to lock the XMTR on line regardless of alarms. Press
again to unlock.
Controller Switch
Perform XMTR manual switch (Figure 2 - 1) using controls on front panel of
controller module.
USI Switch
Perform XMTR manual switch (Figure 2 - 3) using the USI control screen.
Radio I/O Interface Manual Switching
2.4.3
Traffic and auxiliary channel service will be momentarily
interrupted. Obtain proper authorization before making this
switch.
When used in conjunction with an I/O interface manual switch, press
the OVRD switch to lock the I/O interface on line regardless of alarms.
Press again to unlock.
CAUTION
Possibility of
Service
Interruption
Note
CAUTION
Possibility of
Service
Interruption
Note
2-5