TM 9-2350-275-BD
Procedural Steps (Cont):
W.
Turn the FREQUENCY TUNING KNOB (27) to the desired frequency by
aligning the desired frequency with the indicator line within the FREQUENCY DIAL
VIEWING WINDOW (5). While holding the FREQUENCY TUNING KNOB (27) turn the
PRESET LOCKING SCREW (6) clockwise with the special key until it is aligned with the
red circle.
x. Loosen the ANTENNA LOADING CONTROL LOCKING NUT (8) two or three
turns counterclockwise.
y . Put the chest plate switch in the transmit position and hold. Turn the
ANTENNA LOADING CONTROL KNOB (9) for maximum deflection On the INDICATOR
METER (12) and maximum brilliance on the RF INDICATOR LAMP (7).
NOTE
Several peaks will be noted on the indicator meter while
loading the antenna. Tune to the maximum peak and to the
maximum brilliance on the indicator lamp. For a more
sensitive meter to help chooose between peaks, turn the
VOLTA G E CHECK/OPERATE SWITCH (28) to the Operate
#2 (PAbOTA 2) position. A f t e r determining the most
advantageous loading position, r e t u r n the VOLTAGE
CHECK/OPERATE SWITCH (28) to the operate # 1 (PAbOTA
1) position. Release the chest plate switch.
Z.
While holding the ANTENNA LOADING CONTROL KNOB (9), tighten the
ANTENNA LOADING CONTROL LOCKING NUT (8). Check this step by depressing the
chest plate switch to the transmit position. If the indication on the INDICATOR
METER (12) is not the same as noted in step (y), loosen the ANTENNA LOADING
CONTROL LOCKING NUT (8) and repeat step (y). If proper loading has been
accomplished release the chest plate switch and proceed.
aa. Repeat steps (s) through (w) to preset frequencies on settings 2, 3, and 4.
NOTE
Only two frequencies can be preset on Band I and two more
can be preset on Band 11.
If the PRESET
Example:
CHANNEL BAND SELECTOR (11) is set at Band I position
for preset #1 and #2, only Band II frequencies can be
selected for presets #3 and #4. Any combination of bands
and presets may be used.
ab. You are now ready to operate in the preset mode. Any time you want to
select a preset frequency, simply turn the PRESET "CHANNEL/CONTINUOUS TUNE
SELECTOR SWITCH (18) to the desired preset number.
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