Icom IC-E90 - 1 st Mixer and IF Circuit Operation; 2 nd IF and Demodulator Circuit Operation

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QUICK REFERENCE GUIDE
■ Rapid charging
The optional BC-139 provides rapid charging of the battery
pack.
CAUTION: To avoid damage to the transceiver, turn the
transceiver OFF while charging.
• Charging period: 2.5 hours (w/BP-217)
■ External power operation
An optional CP-19R cigarette lighter cable can be used for
external power operation from cigarette lighter socket.
• External power supply range is between 5.5–11.0 V DC.
NEVER connect over 11.5 V DC directly into the DC
power jack of the transceiver. DAMAGE WILL OCCUR
IF THESE LIMITS ARE EXCEEDED.
•BE SURE to use the CP-19R when connecting a regu-
lated 12 V DC power supply.
•The maximum output power is 5.0 W regardless of the
power supply voltage.
•Remove the cables from the transceiver when not using
it. Otherwise, the vehicle battery will become exhausted
CP-19R
(optional)
to
DC power
jack
to a 12 V
cigarette lighter
socket
Tu r n power
OFF.
Check the
orientation.
BP-217
Li-Ion battery pack
to AC
outlet
BC-139 (optional)
desktop charger
BC-123E
(supplied with
BC-139)
to [AC ADAPTER] jack
A
Adapter (supplied
with BC-139)
LED
Charging:
Orange
Finished:
Green
Charging
terminal