Icom IC-24AT Instruction Manual page 2

RESETTING THE CPU
Be sure to reset the CPU in the transceiver when using the
transceiver for the first time.
1) Rotate [VOL] counterclockwise fully to turn OFF power.
2) While pushing [FUNC] and [A](CLR), rotate [VOL] to turn
ON power.
3) Release the switches.
e The function display shows:
146.01, 440.00 MHz
146.01, 430.00 MHz
145.00, 430.00 MHz
U.S.A. version
Asia version
Other versions
FIRST APPLYING POWER
The IC-24AT/ET includes an external BP-82* NiCd battery pack
and a built-in rechargeable backup battery. At the time you
purchase the IC-24AT/ET, the transceiver may not operate
properly if the batteries are low.
3) Reset the CPU as mentioned at right.