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1
POWER REQUIREMENT 3
DC power source
The ۱۵-۸21
allows operation with a 13.8 V DC power
source
using an optional cable.
io the [13.8 V DC IN] jack.
Apply 12—15 V DC
io 24 V cigarette
lighter socket
lighter socket
An optional CN-28 cannot
be used to operate the
IC-A21.
The 8۸-28 is only for charging.
3-2 Charging notes
DO
NOT
charge
a battery
pack
longer
inan
30
Botn
hours, and AVOID completely discharging it.
of these will shorten the battery's life.
. AVOID
charging
in extreme
cold
(under 0°C) or
extreme heat (over +۵40 O).
. The
battery pack to be charged
shouid
be 0۷
fully discharged.
Frequent
charges
of a baiiery
pack
that
is only
partially
discharged
may
noi
result in a full cnarge.
1.
G2
The
iC-A21
has
a
built-in
backup
battery
for
retaining
memory
information.
The usual
life of
tne battery is more
than 5 years.
if the battery
is exhausted,
the
transceiver
operates
normally
but contents in memory channels are noti retained
when power is turned OFF.
|
Backup battery replacement
MUST
be done by an
autnorized
icom Dealer or Service Center.
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