TM 11-6625-847-45
Step
Control setting and operation of
No.
Operation of test procedure
equipment under test
Performance standard
11
Connect the ME-26(*)/U
On synthesizer-test tray A1A3,
The ME-26(*)/U indicates volt-
across the POWER
adjust the POWER ADJ con-
age varying from a minimum
INPUT VAR and ground
trol from fully counterclock-
of 0 volt dc to a maximum
test points on synthe-
wise to fully clockwise.
of + 27 volts dc; set to + 20
sizer test tray A1A3.
Place VAR/FIXED
volts dc.
switch to VAR position.
12
Disconnect the ME-26(*)/
U from the POWER IN-
PUT test points.
13
Connect the AN/URM-
In OUTPUT portion of 10 &
Output increases as adjustment is
145 to the 7.1 MC con-
1KC SYNTH section on syn-
made clockwise.
nector in OUTPUT
thesizer, test tray A1A1, set
portion of 10 & 1 KC
the AMPL switch to ON and
SYNTH section on
adjust the VOLT ADJ control
synthesizer test tray
from fully counter-clockwise to
A1A3.
fully clockwise. Return the
CAUTION
VOLT ADJ control to midrange.
Adjust AN/URM-145 scale above
1 volt and readjust accordingly to
avoid damage to the instrument.
14
Disconnect the AN/URM-
145 from the 7.1 MC
connector.
15
Connect the AN/URM-
In SYNTH OUTPUT portion
Check to see that the output
145 to the 10 & 1 KC
of 10 & 1 KC SYNTH section
increases as the adjustment is
connector in the SYNTH
on synthesizer test tray A1A3,
made clockwise.
OUTPUT portion of
Set the AMPL switch to ON
the 10 & 1 KC SYNTH
and adjust the VOLT ADJ
section on synthesizer
control from fully counter-
test tray A1A3.
clockwise to fully clockwise.
CAUTION
Return the VOLT ADJ con-
Adjust the AN/URM-145 to scale
trol to midrange.
above 1 volt, and readjust accor-
dingly to avoid damage to the
instrument.
16
Disconnect the AN/URM-
145 from the 10 & 1 KC
connector.
17
Connect the AN/URM-
In the 10 MC OUTPUT position
Output increases as adjustment
145 to the 10 MC OUT
on the FREQ STANDARD sec-
is made clockwise.
PUT connector in the
tion on synthesizer test tray
FREQ STANDARD
A1A3, set the AMPL, switch
section on synthesizers
to ON and adjust the VOLT
test tray A1A3.
ADJ control from fully counter-
CAUTION
clockwise to fully clockwise.
Adjust AN/URM-145 to scale
Return the VOLT ADJ control
above 1 volt and readjust accord-
to midrange.
ingly to avoid damage to the
instrument.
18
Disconnect the AN/URM-
145 from the 10 MC
connector.
19
Connect the AN/URM-
In the 1 MC OUTPUT section of
Output increases as adjustment
145 to the 1 MC OUT-
the FREQ STANDARD see-
is made clockwise.
PUT connector in the
tion in synthesizer test tray
FREQ STANDARD
A1A3, set the AMPL, switch to
section on synthesizer
ON and adjust the VOLT ADJ
test tray A1A3.
control firm fully counterclock-
5-9
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