19
Installation
C4900/01
2.8.4 Test Procedure VHF Signal Reception:
(VHF Receiver and Handset RX AF Circuits)
For each control unit, do the following:
Test stimuli Expected result
1 All handsets placed on hook. All control units:
(VHF display) Receiver opens, static noise in all control
Set squelch threshold unit speakers.
level to 0. If no sound, activate the speaker and turn
up the volume level.
67
0 08 01
MEM VOL SQ
0010