Troubleshooting Chart - Standard Horizon HX751 Owner's Manual

9.3 TROUBLESHOOTING CHART

SYMPTOM
The [ SCAN ( DW )] key
does not start the scan.
The USA/INTL/CAN
modes do not function.
Press and holding the
[ SQL ] switch does not
eliminate background
noise.
Cannot change any
function.
Key Lock does not
function.
Indicator does not light
when charging a battery.
HX751
PROBABLE CAUSE
No preset channels or any
Channels are not stored into
Scan memory.
Squelch is not adjusted.
Proper operation not
followed.
Low battery.
Audio volume level is too low.
Key Lock is on.
Proper operation not
followed.
Defective battery FNB-V99LI.
REMEDY
Refer to section 6.10 MEMORY
SCAN to program channels into
scan memory.
Adjust the squelch to threshold or
to the point where noise just dis-
appears. Further adjustment of the
squelch control may eliminate in-
coming signals.
HOLD down the [ 16/9 ] key and
press the [ CLR ( WX ) ] key.
Charge battery. Refer to section 4
of this manual.
Press the [ VOL ] key and press the
[ ] key several times.
Turn Key Lock off. Refer to section
[ H/L ( )] key.
5,
Hold down the [ H/L (
seconds.
Contact your Standard Horizon
dealer.
)] key for 2
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