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