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 TM 55-1510-218-MTF
TROUBLESHOOTING
PROCEDURE
REFERENCE
the best signal. The sta-
tion broadcasts on 2.
5000, 5,0000, 15.0000,
20.0000, and 25.0000
MHz. The higher the fre-
quency selected, the more
accurate the frequency
check will be.
NOTE
Do not key transmitter when set to WWV.
(2) Mode selector - USB.
(3) Listen to the time tick,
tone, or voice announce-
ments. The tone is prefer-
able. While listening, al-
ternately switch from
USB to LSB. The signal
should have the same
pitch in both modes. If
there is a difference, in-
form maintenance person-
nel.
HF radio set (KHF-950).
K20-26
*9.
Check as follows:
a. Transmitter selector switch
(audio control panel) - HF.
b. HF receiver audio selector
switch (audio control panel) -
on (up).
c. Frequency/channel switch
(HF control panel) - FREQ
(out position).
4-21
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