23
3c
Handset (loc_1):
Handset loc_2: VHF display.
Hook on.
Other control units: OCC display.
3d
Handset (loc_3):
Handset loc_2: VHF display.
Hook off.
Other control units: OCC display.
3e
Handset (loc_3):
Handset loc_2: VHF display.
Hook on.
Other control units: OCC display.
3f
Handset (loc_2):
All control units: VHF display (system idle).
Hook on.
All on hook.
If the various control units do not behave as described, some of them may have been assigned the same location number. If so, check the
location number setup in each unit.
oCC
2 “NAME”
oCC
2 “NAME”
oCC
2 “NAME”
8.2
How to check intercom –
handset TX AF circuits and handset audio amplifier circuits
If only one control unit is connected, ignore this test. If other control units are connected, proceed as follows.
Test setup
Result expected
1
Handset (loc_1):
Handset (loc_1): Inter-C dial display
and dialling tone in the handset.
Handset (loc_2): Inter-C dial display
and dialling tone in the handset.
Other control units: VHF display.
2
Handset (loc_1):
Handset (loc_1): Inter-C dial display
IC2
CALLING
IC1
CALLING
16
0 08 01
MEM
VOL
SQ
16
0 08 01
MEM
VOL
SQ
16
0 08 01
MEM
VOL
SQ
16
0 08 01
MEM
VOL
SQ
MEM
VOL
SQ
16
0 08 01
Installation - Control Unit
0238