TM 11-6625-828-45
Step
Control settings
No.
Test Equipment
Equipment under test
Test procedure
Performance standard
1
AN/USM-44:
MC switch to A.
a. Adjust test set RF LEVEL SET
a.
None.
FREQUENCY: Exactly as
ATTENUATOR VOLT control to
control for LEVEL SET indica-
test set A crystal frequency
100.
tion on RF meter. Note voltage
OUTPUT LEVEL: 100
MODULATION switch to OMNI.
reading on ME30E/U with
volts
AN/USM-44 connected to J1 of
MODULATION: OFF
b. Note voltage reading on ME-
b.
Voltage should be within 0.1 volt
C-46A/ARNIOD:
30E/U with test set connected
of reading in step a of Test
FREQUENCY: As test set
to J1 of R-1021/ARN-30D.
procedure column.
A crystal
MESOE/U:
2
CS4A/ARN-OD:
a. MC switch to A
a. Adjust test set RF LEVEL SET
a.
None.
FREQUENCY: Same as
ATTENUATOR a VOLT con-
control for LEVEL SET on RF
test set A crystal
trol to 100. MODULATION
meter. Adjust 9960- MOD con-
ID-45s/ARN-o:
switch to 9960-.
trol for green line indication on
COURSE: 0
%M meter.
b. MODULATION switch to 30-.
b. Adjust test set 30- MOD control
b.
None.
for green line indication on -,
c. MODULATION switch to 90-.
c. Adjust test set 90- MOD control
c.
None.
for redline indication on %M
meter.
d. MODULATION switch to 150.
d. Adjust test set 150- MOD con-
d. None.
trol for redline indication on
% M meter.
e. OMNI TRACK switch to 0
e. Note indication on ID-453/ARN-
e.
0 :2'. TO-FROM flag should in-
(straight up).
30.
dicate TO.
3
ID-45s/ARN-0;
OMNI TRACK switch to 15, 45, 60,
Note indication on ID-453/ARN-30
Error at each point not to exceed 2.
COURSE: 15, 45, 60, up
up to 360.
for each track: 15, 45, 60, up to
TO-FROM flag should indicate
to 360.
360.
TO.
4
ID-452/ARN80O:
OMNI TRACK switch to 225.
Note flag indication on ID-453/ARN-
TO-FROM flag should indicate
COURSE: 45.
30.
FROM.
5
ID-45s/ARN-So:
OMNI TRACK switch to 315, 45, 225.
At each course, note flag indication
TO-FROM flag should indicate r.OM
COURSE: 135,225,315.
on ID-453/ARN-30.
on each track.
6
None.
a. ATTENUATOR 1 VOLT control
a. Note position of vertical indicator
a.
ID-453/ARN-30 needle should in-
dicate vertically 1/32inch.
to 1000.
needle on ID-453/ARN-30.
MODULATION switch to AMP
LOC q.
b. IDENTIFIER switch to ON.
b. Note position of vertical indicator
b.
No appreciable change in position
needle of ID-453/ARN-30.
of needle from a above.
c. MODULATION switch to AMP
c. Note position of vertical indicator
c.
Needle should indicate 3 dots to
LOC .
needle of ID-453/ARN-30.
the left.
IDENTIFIER switch to OFF.
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