Maintenance - Standard Horizon HX370E Owner's Manual

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.
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.
Page 26
TROUBLESHOOTING CHART
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.
HX370E