LCD DISPLAY
MAINTENANCE SWITCHES
FLASH MEMORY ACCESS HANDLE
MIC JACK
PHONE JACK
23-12-AC-008
VHF COMMUNICATION SYSTEM -VDR TRANSCEIVER 3 (ACARS ONLY)
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SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
SWACOM TRAINING GUIDE
VHF COMMUNICATION SYSTEM -VDR TRANSCEIVER 3 (ACARS ONLY)
23-12-AC-008
Purpose
The purpose of the VHF transceiver is to transmit and receive
information.
Physical Description
The transceiver is a solid state device. It has these components:
-Power supply -Frequency synthesizer
- Receiver
- Modulator
- Transmitter
-Microprocessor. Functional Description The transceiver has these properties:
-118.000 to 136.975 MHz frequency range -25 kHz frequency spacing -Voice or data operation -25 watts output power -Built-in fault detection and memory.
Power
The transceiver operates with +27.5v dc.
Controls, Indicators, and BITE
The liquid crystal display (LCD) shows this data:
-Part number/software identification
-Unit status
-Discrete/ARINC input status
-Results of BITE tests
-Maintenance help pages
-Shop maintenance data
-Software loading status
-Airline unique maintenance messages.
Push one of the two maintenance switches to start the BITE tests. Each screen display gives information to help the operator with maintenance procedures.
The transceiver front panel has a flash memory access. The operator puts a credit card sized flash memory card in this access. This lets them upload or download data to the transceiver memory. The memory has a 20 megabyte capacity. These are the two transceiver flash memory cards:
-Read only
-Read/write.
Microphone and Headphone Jacks
Microphone (mic) and headphone (phone) jacks give connection points for mic and phone use.
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SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
SWACOM TRAINING GUIDE
LCD DISPLAY
MAINTENANCE SWITCHES
FLASH MEMORY ACCESS HANDLE
MIC JACK
PHONE JACK
23-12-AC-008
VHF COMMUNICATION SYSTEM -VDR TRANSCEIVER 3 (ACARS ONLY)
D
e
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er 1,
20
04
23-12
- 21 -
SOUTHWEST AIRLINES PROPRIETARY(c) All rights reserved
SOUTHWEST AIRLINES.
ACARS - MULTIFUNCTION CONTROL DISPLAY UNIT Purpose
The flight management computer system multifunction control display unit (MCDU) gives you an interface with the ACARS system. It lets you enter, send, and review downlink/uplink data. The MCDU shows ACARS messages in the scratch pad.
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本文链接地址：Maintenance Training SWACOM TRAINING GUIDE 机务培训手册 SWACOM培训指南(16)
