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A 737-300/400/500MAINTENANCE MANUAL
ELECTRONIC EQUIPMENT RACK, E2
SQUELCH TRANSMIT
DISABLE POWER
PHONE MIC
618M-3
BEJ B-2531,B-2532 ALL EXCEPT BEJ B-2531,B-2532
VHF Communication Systems Component Location Figure 1 (Sheet 1)
A55428
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
VHF ANTENNAS
VHF Communication Systems Component Location
Figure 1 (Sheet 2)
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A 737-300/400/500MAINTENANCE MANUAL
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A
737-300/400/500MAINTENANCE MANUAL
(2) The front panel of the VHF transceiver is fitted with a SQUELCH DISABLE switch, a TRANSMIT POWER light, a PHONE jack, and a MIC jack. The SQUELCH DISABLE switch disables the transceiver squelch circuits and provides a test of the receiver section. The TRANSMIT POWER light comes on when the transmitter output is greater than 10 watts. The PHONE and MIC jacks are provided to connect a microphone and headset directly to the VHF transceiver.
4. VHF Antenna___________
A. The VHF antenna is a blade-type antenna with an omnidirectional radiation pattern. The purpose of the VHF antenna is to transmit and receive radio signals in the VHF frequency range.
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