TM 11-6625-2629-14&P
b. Adjust the controls of the panoramic in-
g. Turn the equipment on and let it warm up for
30 minutes.
dicator as follows:
h. Adjust the FOCUS, BRILLIANCE, and
CENTER FREQ: On vertical marker.
SWEEP WIDTH: Maximum clockwise
H O R I Z O N T A L POSITION controls of the
position.
panoramic i n d i c a t o r to obtain the proper
presentation on the scope.
RESOLUTION: Maximum clockwise position.
i. Adjust the OUTPUT LEVEL control of the
INTENSIFIER: Maximum counterclockwise
audio oscillator to obtain a 1-volt output.
position.
j. Set the MODULATION switch of the fm
SCALE SELECTOR: LIN.
s i g n a l generator to EXT and increase the
GAIN: Midrange
DEVIATION control to obtain the first null
SWEEP SELECTOR RATE: 30
indication on the panoramic indicator. If the
VIDEO FILTER: OUT
.
c . Adjust the controls of the am signal
proper presentation cannot be obtained, adjust
generator as follows:
the output levels of the two signal generators.
k. Disconnect the output cable of the am signal
Frequency: 95 MHz
generator from the panoramic indicator.
Modulation selector: OFF
1. Turn the MODULATION control of the fm
signal generator to OFF. Adjust the TUNING
follows:
control of the modulation meter to 100 MHz as
RANGE: X100
indicated by a O reading on the CARRIER
ATTENUATOR (OUTPUT MULTIPLIER): 1
SHIFT meter. If the LIMITING meter is not
e. Adjust the controls of the fm signal
reading in the black area, increase the output of
generator as follows:
the fm signal generator to obtain a reading in the
FREQ. RANGE-MC: l(K) -200.
black area. Turn the TUNE-FINE TUNE switch
DEV MULT: X5
to FINE TUNE and adjust the TUNING control
MODULATION: OFF.
for 0 indication on the CARRIER SHIFT meter.
Frequency: 100 MHz
m. Turn the MODULATION control of the fm
f. Adjust the controls of the modulation meter
signal generator to EXT. The DEVIATION'
as follows:
meter should read 40 kHz 2. If it does not read
deyiation range-KC: 1000 TUNE.
correctly, adjust the CAL ADJ control until it
TUNE-FINE TUNE: TUNE.
does.
FREQUENCY RANGE-MC: 55-120.
DEVIATION RANGE-KC: 50.
Section IV. GENERAL SUPPORT TESTING PROCEDURES
7-27. General Testing Procedures
structions preceding each chart before proceeding
to the chart. Perform each step in sequence. Do
a. Purpose. The testing procedure are
not vary the sequence. For each step perform all
prepared for use by Electronic Field Maintenance
the actions required in the Control settings
Shops and Electronic Service Organizations
column; t h e n perform each specific teat
reaponsible for general support maintenance of
procedure, and verify it against its performance
e l e c t r o n i c equipment to determine the ac-
standards.
c e p t a b i l i t y of- repaired equipment. These
procedures set forth specific requirements that
7-28. Physical Tests and Inspection
repaired equipment must meet before it is
a. Test Equipment. None required.
returned to the using organization. A summary of
b. Test Connections and Conditions
performance standards is given in paragraph 7-
(1) No connections are necessary.
28.
(2) Remove modulation meter from its case
b. Preliminary Instructions. Follow the in-
7-18
