■
Fuse Replacement
Clock Backup Battery Replacement
3-8
Maintenance
■
Fuse Replacement
Fuses should be installed in the fuse holder of the
black and red power cables, respectively. If a fuse
blows or the transceiver stops functioning, track
down the source of the problem if possible, and
replace the damaged fuse with a new one of the
same rating.
Clock Backup Battery Replacement
When the backup battery is discharged, the
transceiver transmits and receives normally but
cannot retain the current time.
1
Remove the bottom cover to expose MAIN UNIT
(Refer to
3-7 Optional Internal Unit Installation
)
2
Replace the clock backup battery, located on the
MAIN UNIT as below (Make sure the battery
Fuse rating: 20 A USE a 20 A fuse only.
for IC-F9511S, IC-F9511T
MAIN UNIT as below. (Make sure the battery
polarity is correct.)
3
Recover the transceiver, and re-set the date and
time in set mode. (Refer to
4-1-8 Basic Operation,
Clock function
.)
Fuse rating: 30 A USE a 30 A fuse only.
for IC-F9511HT
IC-F9511S/T
CLOCK BACKUP BATTERY
MAIN UNIT
: “BT601”
Part No.
: 3020000340
Part Name
: ML-614S/ZT
■
Cleaning
If the transceiver becomes dusty or dirty, wipe it
clean with a soft, dry cloth.
AVOID the use of solvents such as
benzene or alcohol as they may
benzene or alcohol, as they may
damage the transceiver surfaces.
IC-F9511HT
“+” side is UP
25
Remove old
battery using a
non-conductive flat
object
Battery removal
