15
Installation
C4900/01
2.8.2 Test Procedure Intercom:
(Handset TX AF Circuits and Handset Audio Amplifier Circuits)
If only one control unit is connected, this test is not to be carried out.
If more control units are connected, do the following:
Test stimuli Expected result
1 Handset (loc_1): Handset (loc_1): INT-C dial display
and dialling tone in the handset.
Handset (loc_2): INT-C dial display
and dialling tone in the handset.
Other control units: VHF display.
2 Handset (loc_1): Handset (loc_1): INT-C dial display
Hook off. and dialling tone in the handset.
Handset (loc_2): INT-C dial display
and dialling tone in the handset.
Other control units: VHF display.
IC2
CALLING
IC1
CALLING
16
0 08 01
MEM VOL SQ
IC2
CALLING
IC1
CALLING
16
0 08 01
MEM VOL SQ
0010