Download version 0.1 of gta11-03-025.pdf

Download version 0.1 of gta11-03-025.pdf
STANDARD OPERATING PROCEDURE CHART FOR RADIO SET AN/GRC-106
(Pre-Installed)
STEP
17.
UNIT
CONTROL OR SWITCH POSITION
Transmit and Receive in the SSB Voice Mode.
Amplifier
Receiver/
Transmitter
HV Reset: Operate
Service Selector:
SSB NSK
Audio Gain: Comfortable
Listening Level
Manual RF Gain: Fully CW
VOX: PUSH-TO-TALK
Squelch: ON (if noise
level is undesirable in
the absence of
received signals).
STEP
18.
Receiver/
Transmitter
Service Selector: AM
Audio Gain: Comfortable
listening level
Manual RF Gain: Fully CW
VOX: PUSH-TO-TALK
Squelch: ON (if noise level
is undesirable in the
absence of received signals).
4
CONTROL OR SWITCH POSITION
Transmit and Receive in the CW Mode.
Amplifier
Receiver/
Transmitter
20.
18.
Transmit and Receive in the AM Mode.
Amplifier
HV Reset: Operate
UNIT
HV Reset: Operate
Service Selector: CW
KHz: Lower 2 KHz
BFO: Adjust for Desired Tone
Audio Gain: Comfortable
Listening Level
Manual RF Gain: Fully Clockwise
Stopping Procedures.
Receiver/
Transmitter
*GTA 11-03-025
Service Selector: STANDBY
NOTE: Wait two minutes.
Amplifier
PRIM PWR: OFF
OPERATING
PROCEDURES
RADIO SET
AN/GRC-106
Approved for public release, distribution is
unlimited.
DISTRIBUTION: US Army Training Support
Centers (TSCS)
Rec/Trans - Svc Sel: OFF
Power Supply / Vehicle Power: OFF
NOTE: For compliance with security regulations “zeroize”
your MHz and MHz controls.
5
GPO : 1994 0 - 162-069
Headquarters, Department of the Army
MARCH 1991
*SUPERSEDES GTA 11-3-18, JULY 1982
STANDARD OPERATING PROCEDURE CHART FOR RADIO SET AN/GRC-106
(Pre-Installed)
STEP
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
UNIT
CONTROL OR SWITCH POSITION
POWER SUPPLY/.
OFF
VEHICLE POWER
Inspect Ground
AN/GRC-106
Inspect Antenna System
AN/GRC-106
Check for proper installation
ALL CABLES
Inspect Heat Exchanger
Amplifier AM-3349
Service Selector: OFF
RECEIVER/TRANSMITTER
RT-662 or RT-834
PRIM PWR: OFF
Amplifier AM-3349
POWER SUPPLY/
ON
VEHICLE POWER
Service Selector: OVEN ON
RECEIVER/TRANSMITTER
NOTE:
(10 minute warm-up)
VOX: Push To Talk
Squelch: OFF
Noise Blanker: OFF
(RT-662 only)
BFO: Mid-Range
Manual RF Gain:
Fully Clockwise
Audio Gain: Mid-Range
Freq Vernier: OFF
Amplifier
1.
HV RESET: Operate
STEP
UNIT
CONTROL OR SWITCH POSITION
11.
Receiver/Transmitter
Service Selector:
STANDBY
12.
Amplifier
PRIM PWR: ON
90 seconds warm-up)
(NOTE:
NOTE:
Observe the signal level meter on the receiver/
transmitter needle should be in the extreme right
portion of the meter scale. Check that the amplifier
blowers are working.
13.
Receiver/Transmitter
NOTE:
Observe the signal level meter. Needle should return
To the extreme left portion of the meter scale.
14.
Amplifier
NOTE:
Observe that the test meter pointer indicates within
The area of the two dark green wedges (top scale).
Service Selector:
SSB NSK
Test meter Switch:
PRIM VOLTS
2.
STEP
UNIT
CONTROL OR SWITCH POSITION
15.
Receiver/
Transmitter
16.
Amplifier
MHz and KHz Controls:
to assigned operating
frequency.
ANT TUNE – ANT LOAD:
To settings obtained
from chart.
HV RESET: TUNE
CAUTION: DO
NOT LEAVE
THE HV RESET
SWITCH IN
TUNE
POSITION
LONGER
THAN TWO
MINUTES !
(Wait for a deflection on the ANT TUNE
and ANT LOAD Meters).
Adjust ANT TUNE and ANT LOAD:
Controls for a center scale reading on
both meters.
Test Meter Switch to: Area Indicated:
HV RESET: Operate
Volts
• Low
Volts
• High
• Driver CUR
Drive
• Grid
CUR
• PA
• Power Out
3.
Within the two
dark green wedges
Within or to the
left of the two
gray wedges.
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