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■ Connection
Wireless remote control is available when the following op-
tions are used.
➧HM-90
WIRELESS MICROPHONE
➧EX-1759
INFRARED RECEIVER
DRecommended connection
■ HM-90 wireless microphone
The HM-90’s internal battery should be charged when the mi-
crophone is not being held.
Charging period : 1.5 hr. with timer
(or 8 hr. when battery is exhausted)
Operating period : 12 hr. (operation:standby=1:4)
DCharging method
Choose one of the following methods:
➥Connect the supplied microphone cable from the HM-90 to
the EX-1759.
➥Connect the supplied microphone cable from the HM-90 to
the main unit.
DTurning the wireless remote ON/OFF
When you use the HM-90 as a wired microphone, the wire-
less remote control circuit can be turned OFF.
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14
WIRELESS OPERATION
DATA
MIC CONTROLLER
IC-2800H EX-1759
HM-90
Use the microphone cable
for charging
LOCK
AFC AFC-OFF PTT-M MW
PGR
CALL
123A
456B
MR VFO CLR
C-SQL DTMF D-OFF
HIGH MID LOW SET
The diagram shows that
the wireless remote con-
trol function is turned
ON.
Dip switch
1 2 3 4
ON
OFF
optional EX-1759 and HM-90