21PANEL DESCRIPTION-yr Function displayq TRANSMIT INDICATORAppears while transmitting.w BUSY INDICATORAppears while the channel is busy.e SIGNAL STRENGTH METERIndicates relative receive signal strength level.r LOW POWER INDICATORAppears when low output power is selected.t AUDIBLE INDICATORAppears when the channel is in the ‘Audible’ condition(unmute condition).y SCRAMBLER INDICATORAppears when the scrambler function is activated. (OptionalUT-109 (#02)/UT-110 (#02) SCRAMBLER UNIT is required.)q w e r t y ui

panel description

I Function display

I Programmable function keys

I Channel selection

I Receiving and transmitting

D TX code channel selection

d emergency call

i rear panel and connection

I Supplied Accessories

I Mounting the transceiver

I Optional UT-109 or UT-110 installation

I Antenna

OPTIONS

SAFETY TRAINING INFORMATION

Icom IC-F121 Instruction Manual

specifications

IC-F121

front unit.

RECEIVER CIRCUITS

TRANSMITTER CIRCUITS

PLL CIRCUITS

POWER SUPPLY CIRCUITS

PREPARATION

PLL ADJUSTMENT

SOFTWARE ADJUSTMENT

main unit

mechanical parts and disassembly

explicit definitions

PANEL DESCRIPTION

Function display

Programmable function keys

Turning power ON

Receiving and transmitting

d tx code channel selection

CONNECTION AND MAINTENANCE

Supplied Accessories

Mounting the transceiver

Optional UT-109 or UT-110 installation

Antenna

FCC INFORMATION

IC-F111

IC-F211

IC-F221