User's Manual Part 1

2-8
2.4.5
Lamp Tests
Perform lamp tests by pressing and holding ACO/LT OVRD switch on controller front panel
in
ACO/LT position. All indicators on controller and indicators on all equipped modules
should light. Release
ACO/LT OVRD switch.
2.4.6
Alarm Checks
The USI Alarm and Status screens provide alarms and status for the radio. Refer to
description of alarms and status in the maintenance section.
2.4.7
Orderwire Operation
These operating procedures describe use of the orderwire system to answer incoming calls
and initiate outgoing calls. The DTMF function allows the user to ring the dialed station.
2.4.8
Initiating Outgoing Orderwire Calls
1
Connect telephone to J302 TEL jack on front panel of AE-37( ) Controller.
2
Dial the 3-digit DTMF extension on the telephone keypad to call specific party
or press the * key on keypad to initiate CALL signaling to all
stations.
2.4.9
Answering Incoming Orderwire Calls
Call can be heard by all stations.
1
When the buzzer sounds, alerting the operator there is an incoming call,
connect telephone to J302 TEL jack on front panel of AE-37( ) Controller and
turn ON-HOOK/OFF-HOOK switch to OFF-Hook position.
2
To terminate call, turn ON-HOOK/OFF-HOOK switch to ON-Hook
position.
During the DTMF dialing process, if an incorrect number sequence has
been dialed, press # to reset DTMF digit accumulator to zero. A redial
can then be initiated.
If 1.5 seconds elapse between dialed digits, the DTMF digit accumula-
tor resets to zero, and a redial must be initiated.
Note
Note
Note