Kenwood TM-251A Instruction Manual page 104

Problem Symptom
Probable Cause
Page
Corrective Action Ref.
No sound comes from the
speaker even though the VOL
control is turned clockwise.
1 The squelch is closed.
2 DTSS is ON ("DTSS'" is visible);
DTSS codes that you are receiving
are different from the code set in
your transceiver.
codes that you are receiving are
different from those set in your
transceiver.
4 If the TSU-8 CTCSS option is
installed, CTCSS is ON ("CTCSS"
is visible); CTCSS tones that you
are receiving are different from the
CTCSS tone frequency set in your
transceiver.
5 Tone Alert is ON ("Bell" icon is
visible).
3 Page is ON ("PAG" is visible); Page}
o
Reset the squelch threshold. 28
To monitor activity, press [DTSS] to | 75,70
turn OFF DTSS or press microphone
[PF]. To contact stations using
DTSS, review the "DTSS" section.
To monitor activity, press
[DTSS] (1 s) to turn OFF Page or
press microphone [PF]. To contact
stations using Page, review the
"Page" section.
79
To monitor activity, press
[TONE/CTCSS] to turn OFF CTCSS
or press microphone [PF]. To
contact stations, review the
"CTCSS" section.
74,70
Press [F], [SHIFT] to turn OFF Tone
Alert.
86
Most buttons/keys and the
Tuning control do not function.
oh
The Lock function is ON.
De)
If microphone buttons/keys are not
working, Microphone Lock is ON.
pp =
Press [F], [LOW] to turn Lock OFF.
Slide the Lock switch on the rear of
the microphone to unlock the
microphone.
62
62
Continued
97