TM 11-6625-847-45
Step
Control setting and operation of
No.
Operation of test procedure
equipment under test
Performance standard
CAUTION
wise to fully clockwise. Return
Adjust the AN/URM-145 to scale
the VOLT ADJ control to
above 1 volt, and readjust accord-
midrange
ingly to avoid damage to the
instrument.
20
Disconnect the AN/URM-
145 from the 1 MC con-
nector.
21
Connect the AN/URM-
In the OUTPUT portion of the
Output increases as adjustment
145) to the MC SYNTH
MC SYNTH section on syn-
is made clockwise.
connector in the OUTPUT
thesizer test tray A1A3. set
portion of the MC
the AMPL switch to ON and
SYNTH section on
adjust the VOLT ADJ control
synthesizer test tray
from fully counterclockwise
A1A3.
to fully clockwise. Return the
CAUTION
VOLT ADJ control to midrange.
Adjust AN/URM-145 to scale
above 1volt and readjust accord
-ingly to avoid damage to the instru-
ment.
22
Disconnect the AN/URM-
145 from the MC SYNTH
connector,.
23
Reset all switches and controls
POWER indicators on the test
to the settings. listed in para-
set and synthesizer test tray
A1A3 are extinguished.
24
Remove the RT-662/
Remove synthesizer test tray
GRC modules (1A2,
A1A3 from the test set, and
1A3, 1A4, 1A8, and
return it to case 2.
1A9) from synthesizer
test tray A1A3, and
return them to their
proper storage place.
Switch and control
Setting
5-14. Converter and Control Tray A1A4,
ANTENNA LOAD
Midrange
Preliminary Switch and Control Set-
TUNE control.
tings
ALC METER control ............. Fully counterclockwise
GRID DRIVE control............. Fully counterclockwise
Switch or control
Setting
CONTROL TEST section:
POWER switch ...................OFF
ANT. MOTOR CON-
RF BAND
INPUT CURRENT switch ....Normal, relaxed
TROL MONITOR
TEST SELECTOR switch ....1
switch.
PA METER TEST sec-
ANT. MOTOR CON-
Midposition
tion:
TROL CODE switch.
ANT. LOAD/ANT.
ANT. TUNE
RF BAND-500
RF BAND
TUNE switch.
WHIP switch
5-10
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