TM 11-5840-281-12-1
4-47.
PERFORMANCE TESTS. (CONT)
LOCAL CONTROL MONITOR TEST (CONT)
CONTROL SETTINGS
TEST PROCEDURE
INDICATION
Place SCAN MODE switch on
Manually position azimuth
MONITOR meter and multi-
meter indicate - 9 0.5 vdc.
local control monitor to
antenna to - 15 degrees as
600 position and place
indicated on azimuth scan
If indications are incorrect,
MONITOR switch to 600 AZ
protractor.
refer to higher category of
ANGLE DATA position. Set up
maintenance.
multimeter to measure
- 10 vdc.
Set up multimeter to indicate
Manually rotate azimuth an-
MONITOR meter and multi-
meter indicate 27 0.5
- 30 vdc.
tenna counterclockwise to
+ 45 degrees as indicated on
vdc. If indications are
azimuth scan protractor.
Incorrect, refer to higher
category of maintenance.
Place SCAN MODE switch on
Manually position elevation
MONITOR meter and multi-
local control monitor to
antenna to - 1 degree as
meter indicate 0 vdc. If -
NORM position and place
indicated on clinometer.
indications are incorrect,
MONITOR switch to 11
refer to higher category of
EL ANGLE VOLTS position.
maintenance.
Place SCAN MODE switch on
Manually position elevation
MONITOR meter and multi-
local control monitor to
antenna to - 1 degree as
meter indicate 0 vdc. If -
350 EL SCAN position and
indicated on clinometer.
indications are incorrect,
MONITOR switch to + 35
refer to higher category of
EL ANGLE VOLTS position.
maintenance.
Set up multimeter to measure
+20 vdc.
Same as above.
Connect negative lead of
MONITOR meter and multi-
meter indicate 14.5 0.5
multimeter to GND J5304
and connect positive lead
vdc. If indications are -
to VOLTAGE MON J5303.
incorrect, refer to higher
Manually position elevation
category of maintenance.
antenna to + 35 degrees as
indicated on clinometer.
Place SCAN MODE switch on
Manually rotate azimuth
MONITOR meter and multi-
local control monitor to
antenna to - 15 degrees as
meter indicate 0 vdc. If -
NORM position and place
Indicated on azimuth scan
indications are incorrect,
MONITOR switch to 300 AZ
protractor.
refer to higher category of
ANGLE VOLTS position.
maintenance.
4-148
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