Contents
IR20
Equipment damage may occur
Some frequency bands are inhibited according to version
Auto write and 50 scan edge channels are included
May occur
Operate this device under FCC regulations
Precaution
Supplied Accessories
Table of Contents
Preparations
Batteries installation
Battery pack installation
Quick Reference Guide
Swivel belt clip Option
Belt clip
Third-party antennas may in- crease receiver performance
Antenna
Experience
Charging the battery
About default setting
Your first scanning
Turning on the receiver
Adjusting audio level
Adjusting squelch level
Basic operation
Selecting a memory channel
Setting frequency
Receive mode selection
Memory programming
Selecting a scan edge channel a
Programmed scan operation
Programming scan edges Writing a memory channel
Selecting a scan edge channel B
Selecting a scanning type
Starting scan Select VFO mode
Cancelling scan
Starting scan
Front, top and side panels
Panel Description
QDUALWATCH/CLEAR KEY Dualwatch
EPOWER KEY Power
ULEFT Dial L-DIAL
IRIGHT Dial R-DIAL
VFO/MHz KEY VFO MHz
Or 10 MHz tuning steps p
MODE/SCAN KEY Mode Scan
VOLUME/DIAL KEY 1 DIAL.SEL
Inputs digit ‘8’ for frequency input, memory
Push for 1 sec. to enter the set mode
Inputs digit ‘5’ for frequency input, memory
Inputs digit ‘0’ for frequency input, memory
@2STOP/PLAY ≈
Function display
QBATTERY Indicator
WDUPLEX Indicators p
ESIGNAL Squelch Indicators
USKIP Indicators p
RANL/NB Indicator pgs
TLOCK Indicator p
YAFC Indicator p
Battery installation
Battery INSTALLATION/CHARGING
Charging caution
Battery charging
Battery caution
Regular charging
Rapid charging with the BC-156
CP-18A/E fuse replacement
Memory mode/PreSet*/TV*/Weather† channels
Frequency and Channel Setting
Mode selection
VFO mode
Operating band selection
Available frequency bands
2425
Using the dial
Setting a tuning step
Setting a frequency
Tuning step selection
Editting MHz to 1260.240 MHz
Using the keypad
Frequency can be directly set via numeral keys
Lock function
Receive mode selection
Receiving
Setting audio volume
When a signal is received
Basic Operation
Push and hold SQL to monitor the operating frequency
Squelch level setting
Monitor function
RF gain
Attenuator function
Rotate R-DIALto select Duplex
Setting
Duplex operation
NB/ANL function
AFC function
Select the sweep steps, if desired
Band scope
Single band operation
Dial function assignment
Operating bands table for dualwatch operation
Main band selection Band exchange
Lower band’s squelch adjustment
Setting audio volume Squelch level setting
Memory channel programming
Memory channel contents
Memory Channels
General description
Push MR S.MW for 1 sec. to set the channel into the bank
Memory bank setting
Rotate R-DIALto select the bank channel
Memory bank selection
Rotate R-DIALto select the desired character
Programming memory/bank name
Dication type from bank name or memory name
Selecting memory/bank name Indication
Available characters
Copying memory contents
Memory clearing
Push MR S.MW for 1 sec. to clear the contents
Erasing/transferring bank contents
FREQUENCY/MEMORY Skip Function p
Scan Operation
Scan types
Full Scan p
Full/band/programmed scan
Select VFO mode with VFO MHz
To start the scan, release Mode Scan
Scan edges programming
To stop the scan, push Dualwatch
Select memory mode with MR S.MW
Release Mode Scan to start the selected scan
Memory/bank/all bank scan
Clearing the stored frequencies
Auto-memory write scan
During auto-memory write scanning
Recalling the stored frequencies
Skip channel/frequency setting
SET
Scan pause timer
Push Dualwatch to exit set mode
Scan resume condition
Scan resume timer
About priority beep function
Priority Watch
Priority watch types
Select the desired memory channel
Push Dualwatch to exit set mode and start the watch
Push Dualwatch to cancel the watch
Priority watch operation
While scanning memory/bank channels
VFO scan watch qSelect memory mode
0Push Dualwatch to cancel the watch and scan
Push Dualwatch to stop the beeps and blinking man- ually
Comfortable Receiving
Tone/DTCS squelch operation
Available tone frequency list
Tone squelch frequency/DTCS code setting
Available Dtcs code list
Push 8 SET
Dtcs polarity setting
Push 4 T-SCANfor 1 sec. to start the tone scan
Tone scan
General
SET Mode
Expanded set mode ON/OFF
General set mode items
Set mode items
Expanded set mode items
Display backlighting
Priority watch
Key-touch beep
Beep output level
AF filter
Power save
Noise blanker
ANL function
FM antenna selection
No accessible key is available, except
Power and Lock
AM antenna selection
Monitor key action
Auto power OFF
Default
Dial speed acceleration
Turns the scan stop beep function on and OFF
Scan pause timer
Scan resume timer
Scan stop beep
Sets the audio output function while scope operation
Scope audio output
Offset frequency
Duplex direction
Available subaudible tone frequencies
Tone frequency
Dtcs code
Dtcs polarity
Turns weather alert function on and OFF
LCD contrast can be adjusted through 15 levels
Memory bank link
LCD contrast
CI-V transceive
CI-V address
CI-V baud rate
Selecting antenna
RPush Dualwatch to exit set mode
Other Functions
Antenna selection
Weather alert function
Turn the weather alert function OFF in set mode
Weather channel operation
Weather channel selection
Receiver shows following indications
Cloning using a personal computer
Data cloning
Cloning error
Auto power-off function
Recording a received audio
Playing back recorded content
IC recorder
Recording set mode Quality setting
Playback speed setting
Same time, but cannot erase each track independently
Automatic recording
Erasing recorded audio
REC
Partial reset
Data format
Control Command
Command table
CI-V compatible transceiver
Control Command
Ccir channels
Frequency Table
TV channels
S.A. channels
Channels
China channels
New
Zealand
FOT channels
Indonesian channels
Italian channels
Taiwan channels
Weather channelsunit MHz
VHF marine channels
HF CB Citizens Band channels
Other communications in the USA
Channels Murs channels
Cable TV IRC
Wireless Microphones
General aviation frequencies
PMR446 channels unit MHz
LPD Low Power Device channels Unit MHz
Other communications- other countries
UHF C.R.S Citizen Radio Service channels
Troubleshooting
Maintenance
General
Specifications
Options
Options
For Microsoft Windows XP
Driver Installation
Driver Installation
Windows starts installing the USB driver
0Repeat step e to y
After the installation is completed, click Finish
Found New Hardware Wizard will come up as below. Click Next
For Microsoft Windows
2After clicking Finish, the dialog appears as below
Select Click
Driver Installation
For Microsoft Windows 98/98SE/Me
Select Click
COM port confirmation
Click the Device Manager
IR20
Pocket Guide
Release Mode Scan to start scan
We Icom Inc. Japan
Declaration Conformity
Kamiminami, Hirano-ku, Osaka 547-0003, Japan
#07 France