SECTION 4 UT-121 UNINSTALLATION4 - 12 screwsUnit coverUT-121(Top view)NotchesTweezersq Turn the power OFF, and remove the battery pack.w Unscrew 2 screws to remove the unit cover.e Insert the tweezers into the notches of the UT-121, and remove it as shown below.r Screw 2 screws to assemble the unit cover.2 screwsUnit coverRECOMMENDATION:Critical technique is necessary for the UT-121 uninstallation, therefore, we recommend you to uninstall it at yourdealer or service center.

Icom IC-E91 Service Manual

FOREWORD

accessory attachment

panel description

I Function display

battery charging

i regular charging

rapid charging

i optional battery case

I External DC power operation

main band selection

I Mode selection

I Operating band selection

i setting a tuning step

BASIC OPERATION

setting squelch level

i monitor function

band scope

I Transmitting

i lock function

tv channel operation

repeater and duplex operations

I Accessing a repeater

d checking the repeater input signal

i duplex operation

digital mode operation

i digital voice mode operation

digital repeater operation

I Received call sign

i copying the call sign

d copying the call record contents into call sign memory

message operation

I Automatic reply function

i emr communication

i gps operation

d gps message programming

MEMORY/CALL CHANNELS

selecting a call channel

i memory channel programming

I Memory bank setting

i memory bank selection

I Selecting memory/bank name indication

I Copying memory/call contents

i memory clearing

scan operation

i scan edges programming

I Memory scan

memory bank scan

i scan resume condition

priority watch

I Priority watch operation

menu screen operation

menu list

i set mode items

dv set mode items

scan set mode items

display set mode items

sounds set mode items

other functions

i transmitting a dtmf code

clearing a dtmf memory

I Tone frequency and DTCS code

tone squelch

I Digital code and digital call sign setting

I Pocket beep function

tone scan

beep tones

I Auto power OFF

I Time-out timer

I Cloning function

I Resetting

TROUBLESHOOTING

SPECIFICATIONS

installation notes

IC-E91

I Battery pack

frequency and channel setting

i accessing a repeater

I Call sign programming

I Digital voice mode operation

I About D-STAR system

I Digital repeater operation

I EMR communication

I Other functions for DV mode operation

I Selecting a call channel

I Memory channel programming

i memory bank setting

I Programming memory/bank/scan name

I Full/band/programmed scan

i memory scan

I Scan resume condition

PRIORITY WATCH

I DUP/TONE set mode items

I Display set mode items

I Sounds set mode items

I Transmitting a DTMF code

I Clearing a DTMF memory

I Setting DTMF transfer speed

OPTIONS

I Optional UT-121 installation