71 PANEL DESCRIPTION Microphone (HM-133*)q VFO/LOCK SWITCH [VFO/LOCK]➥ Push to select VFO mode. (p. 12)➥ Push for 1 sec. to switch the lock function ON and OFF.(p. 15)w PTT SWITCH➥ Push and hold to transmit; release to receive.➥ Switches between transmitting and receiving while theone-touch PTT function is in use. (p. 21)e UP/DOWN SWITCHES [Y]/[Z]➥ Push either switch to change operating frequency,memory channel, set mode setting, etc. (pgs. 13, 29, 56)➥ Push either switch for 1 sec. to start scanning. (p. 41)r ACTIVITY INDICATOR➥ Lights red while any key, except [FUNC] and [DTMF-S],is pushed, or while transmitting.➥ Lights green while the one-touch PTT function is in use.t KEYPAD (pgs. 8, 9)y FUNCTION INDICATOR➥ Lights orange while [FUNC] is activated—indicates thesecondary function of switches can be accessed.➥ Lights green when [DTMF-S] is activated—DTMF sig-nals can be transmitted with the keypad.u 2nd FUNCTION SWITCH [FUNC]i DTMF SELECT SWITCH [DTMF-S] (p. 50)o FUNCTION SWITCHES [F-1]/[F-2] (p. 66)Program and recall your desired transceiver conditions.!0 BAND SWITCH [BAND] (p. 11)Push to switches main band between left and right bands.!1 MEMORY/CALL SWITCH [MR/CALL]➥ Push to select memory mode. (p. 12)➥ Push for 1 sec. to select call channel. (p. 38)✔ Important!All keys on the microphone function for the main band only.Mic elementqertwyuio!0!1*A different microphonemay be supplied de-pending on version.

quick reference guide

using the mounting bracket

battery connection

antenna installation

i repeater operation

I Front panel— controller

panel description

I Function display

main unit

I Microphone (HM-133)

I Microphone keypad

I Optional microphones (HM-118N/TN/TAN)

I Preparation

setting a frequency

I Using the tuning dial

I Tuning step selection

I Lock functions

I Receiving

I Squelch attenuator

I V/V, U/U simultaneous receive (Para-watch)

I Sub band mute/sub band busy beep

I Transmitting

I One-touch PTT function

I General

I Accessing a repeater

repeater operation

I Subaudible tones

I Offset frequency

I General description

I Programming a memory channel

programming a memory channel via the microphone

I Transferring memory contents

memory operation

I Memory clearing

I Memory bank selection

I Memory bank setting

I Transferring bank contents

I Call channel selection

I Programming a call channel

I Scan types

I Scan start/stop

I Scan edges programming

scan operation

I Skip channel setting

I Scan resume condition

I Priority watch types

I Priority watch operation

I Programming a DTMF code

dtmf memory encoder

i transmitting a dtmf code

I DTMF speed

I Pocket beep operation

tone scan

other functions

I Initial set mode

I AM/FM narrow mode

i weather channel operation

I Microphone keys

I Packet operation

I Troubleshooting

I Fuse replacement

I Speciﬁcations

I Options

mode arrangement

Icom IC-2720H Instruction Manual

IC-2720

IC-2720H