HX370E
6. MAINTENANCE
The inherent quality of the solid-state components in this radio will provide
many years of continuous use. Take the following precautions to prevent
damage to the radio.
Keep the microphone connected or the jack covered at all times to pre-
vent corrosion of electrical contacts;
Never key the transmitter unless an antenna or suitable dummy load is
connected to the antenna receptacle.
Use only STANDARD HORIZON-approved accessories and replacement
parts.
TROUBLESHOOTING CHART
SYMPTOM
T h e
S C A N
k e y
does not start the
scan.
T h e U S A / I N T L /
CAN modes do not
function.
Press and holding
the
SQL
key does
not eliminate back-
ground noise.
C a n n o t c h a n g e
any function.
Key Lock does not
function.
Indicator does not
light when charg-
ing a battery.
PROBABLE
CAUSE
N o c h a n n e l s
memorized.
Squelch is not ad-
justed.
Proper operation
not followed.
Low battery.
Key Lock is on.
Proper operation
not followed.
Defective battery
FNB-83/-V57IS
or
corroded contacts
o n b a t t e r y o r
charger.
REMEDY
Use the
MEM
key to enter
desired channels into the
transceiver’s memory.
Adjust the squelch to thresh-
old or to the point where noise
just disappears. Further ad-
justment of the squelch con-
trol may eliminate incoming
signals.
HOLD down the
16/9
key and
press the
DW
key.
Charge battery. Refer to sec-
tion 3 of this manual.
Turn Key Lock off. Refer to
section 4.1.
.
Hold down the
H/L
key for 1
second.
Contact your dealer.
Page 26
Summary of Contents for HX370E
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