Page 2 - FOREWORD; FEATURES; External power supply operation; IMPORTANT; READ ALL INSTRUCTIONS; EXPLICIT DEFINITIONS; WORD
i FOREWORD Thank you for purchasing this Icom product. The IC-R20 COM - MUNICATIONS RECEIVER is designed and built with Icom’s supe- rior technology and craftsmanship. With proper care, thisproduct should provide you with years of trouble-free operation. We want to take a couple of moments of your t...
Page 3 - PRECAUTION
R WARNING! NEVER operate the receiver with an earphone, headphones or other audio accessories at highvolume levels. Hearing experts advise against continuoushigh volume operation. If you experience a ringing in yourears, reduce the volume level or discontinue use. R WARNING! NEVER connect the receiv...
Page 4 - SUPPLIED ACCESSORIES; OPERATING THEORY
iii SUPPLIED ACCESSORIES q Antenna ………………………………………………………1 w Belt clip (MB-98) …………………………………………1 set e Battery spacer ………………………………………………1 r Hand strap …………………………………………………1 t Battery pack* (BP-206) ……………………………………1 y AC adaptor*(BC-149A/D) …………………………………1 (The shape of the BC-149A and BC-149D are differ...
Page 5 - TABLE OF CONTENTS
iv TABLE OF CONTENTS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 FOREWORD ................................................... iIMPORTANT ................................................... iEXPLICIT DEFINITIONS ................................ iPRECAUTION ................................................ iiS...
Page 6 - QUICK REFERENCE GUIDE; Preparations; Batteries installation; Battery pack installation; Handstrap
I QUICK REFERENCE GUIDE ■ Preparations D Batteries installation q Remove the battery cover from the receiver. w For alkaline battery use, attach the supplied battery spacer. e Install 3 R6 (AA) size alkaline batteries. • Be sure to observe the correct polarity. Keep the battery contacts clean to avo...
Page 7 - Belt clip; Quick reference guide
II QUICK REFERENCE GUIDE D Belt clip Conveniently attaches to your belt.Attach the belt clip with the supplied screws using a phillipsscrewdriver. D Swivel belt clip (Option) The optional swivel belt clip (MB-86) is useful for easyattaching/detaching the receiver to/from the belt. q Attach the stopp...
Page 8 - Antenna; NEVER
III QUICK REFERENCE GUIDE To remove: r Turn the receiver upside down, and then lift to release thereceiver from the belt clip as shown at upper right. D D Antenna Insert the supplied antenna intothe antenna connector andscrew down the antenna asshown at right. NEVER hold the antenna when carrying th...
Page 9 - Charging the battery; About default setting
IV QUICK REFERENCE GUIDE D Charging the battery q Install the battery pack (BP-206). w Plug the AC adaptor into an AC outlet. e Turn OFF the receiver, then insert the adaptor plug into the[DC] jack of the receiver. R R WARNING!: NEVER attempt to charge any other batteries. Because the IC-R20 can cha...
Page 10 - Basic operation; Turning ON the receiver
V QUICK REFERENCE GUIDE D Basic operation 1. Turning ON the receiver ➥ Push [POWER] for 1 sec. to turn the power ON. 2. Adjusting audio level ➥ Rotate [L-DIAL] (or push [ Y Y ] / [ Z Z ] ) to set the desired audio level. 3. Adjusting squelch level ➥ While pushing [SQL] , rotate [R- DIAL] to set the ...
Page 11 - Receive mode selection; Memory programming; Selecting a memory; Writing a memory channel
VI QUICK REFERENCE GUIDE [Using the keypad] ➥ Enter the desired frequencyvia the keypad. • Direct input can be set until 1 kHz digit, rotate [R-DIAL] to set below 1 kHz frequency after set tuning steps, if necessary. (Seep. 14 for setting the tuning step.) • Pushing [VFO MHz] omits the entry of 100 ...
Page 12 - Programmed scan operation
VII QUICK REFERENCE GUIDE ■ Programmed scan operation 25 pairs, 50 channels of memories are used for programmedscan operation, that specify a scanning range. The pro-grammed scan scans between “xxA” and “xxB” (xx=00 to 24)frequencies. Therefore, before operating the programmedscan, different frequen...
Page 13 - Starting scan
VIII QUICK REFERENCE GUIDE D D Starting scan 1. Select VFO mode. Push [VFO MHz] to select the VFO mode for full, band and programmed scan operation. • Select memory mode by pushing [MR S.MW] for memory or bank scan. 2. Selecting a scanning type While pushing and holding [MODE SCAN] , rotate [R-DIAL]...
Page 14 - Front, top and side panels; ANTENNA CONNECTOR; KEYPAD; PANEL DESCRIPTION
■ Front, top and side panels q ANTENNA CONNECTOR (p. II) BNC connector: Connects the supplied antenna. w SQUELCH KEY [SQL] (p. 18) ➥ Push and hold to temporarily open the squelch andmonitor the operating frequency. ➥ While pushing this key, rotate the tuning dial* to adjustthe squelch level. e UP/DO...
Page 19 - Function display; BATTERY INDICATOR; DUPLEX INDICATORS; ATT
6 1 PANEL DESCRIPTION 1 ■ Function display q BATTERY INDICATOR ➥ “ ” appears when the installed batteries have ample capacity. • They do not appear when operating with an external power source. ➥ “ ” appears when the batteries are nearing ex- haustion. • IC-R20 installed the BP-206 must be charged p...
Page 21 - BATTERY INSTALLATION/CHARGING; Battery installation
8 2 BATTERY INSTALLATION/CHARGING 1 2 ■ Battery installation Make sure receiver power is turned OFF before installing orreplacing the batteries. q Remove the battery cover from the receiver. w For alkaline battery use, attach the supplied battery spacer. e Install 3 R6 (AA) size alkaline batteries. ...
Page 22 - Caution; Battery caution; Charging caution; AVOID; Battery charging; Regular charging
■ Caution D D Battery caution CAUTION! NEVER short the battery terminals. Current will flow into metal objects, so be careful when placing batterypack in handbags, etc. NEVER incinerate used battery packs or battery cells. Internal battery gas may cause explosion. NEVER mix old and new batteries. Ma...
Page 23 - Rapid charging with the BC-156
10 2 BATTERY INSTALLATION/CHARGING 2 D D CP-18A/E fuse replacement If the fuse blows or the receiver stops functioning while oper-ating with the optional CP-18A/E, fi nd the source of the prob- lem if possible, and replace the damaged fuse with a newrated one (FGB 5 A) as shown below. D D Rapid char...
Page 24 - FREQUENCY AND CHANNEL SETTING; Mode selection; VFO mode
11 FREQUENCY AND CHANNEL SETTING 3 ■ Mode selection D D VFO mode VFO mode is used for the desired frequency setting within thefrequency coverage. ➥ Push [VFO MHz] to select VFO mode. What is VFO? VFO is an abbreviation of Variable Frequency Oscillator. Fre-quencies for receiving are generated and co...
Page 25 - Operating band selection
12 3 FREQUENCY AND CHANNEL SETTING 3 ■ Operating band selection The receiver can receive the AM broadcast, HF bands,50 MHz, FM broadcast, VHF air, 144 MHz, 300 MHz,400 MHz, 800 MHz,* 1200 MHz or 2400 MHz. ➥ In VFO mode, push [BAND] several times to select the de- sired frequency band. • If the other...
Page 26 - • Available frequency bands
13 3 FREQUENCY AND CHANNEL SETTING • Available frequency bands BAND BAND AM broadcast band HF band 50 MHz band 800 MHz band 400 MHz band FM broadcast band VHF air band 144 MHz band 300 MHz band 1200 MHz band 2400 MHz band : Push : Rotating while pushing Initial frequencies shown will differ accordin...
Page 27 - Setting a tuning step; Tuning step selection; Setting a frequency; Using the dial
14 3 FREQUENCY AND CHANNEL SETTING 3 ■ Setting a tuning step The tuning step can be selected for each frequency band in-dependently, however, the tuning steps, 8.33 kHz and 9 kHz,only appear when setting the tuning step for the VHF air bandand AM broadcast band, respectively. The following tuningste...
Page 28 - Using the keypad
15 3 FREQUENCY AND CHANNEL SETTING D D Using the keypad The frequency can be directly set via numeralkeys. • When editing a frequency outside of the fre- quency range, the previously displayed frequencyis automatically recalled after editing last digit. q Push [VFO MHz] to select VFO mode, if necess...
Page 29 - Receive mode selection; Lock function
16 3 FREQUENCY AND CHANNEL SETTING 3 ■ Receive mode selection Receive modes are determined by the physical properties ofthe radio signals. The receiver has 6 receive modes: FM,WFM, AM, LSB, USB and CW modes. The mode selection isstored independently in each band and memory channels. Typically, AM mo...
Page 30 - BASIC OPERATION; Receiving
17 BASIC OPERATION 4 ■ Receiving Make sure charged battery pack (BP-206) or brand new al-kaline batteries are installed (p. 8). q Push [POWER] for 1 sec. to turn power ON. w Rotate [L-DIAL] (or push [ Y Y ] or [ Z Z ] ) to set the desired audio level. • The frequency display shows the volume level w...
Page 31 - Squelch level setting; Monitor function
18 4 BASIC OPERATION 4 ■ Squelch level setting The squelch circuit mutes the received audio signal depend-ing on the signal strength. The receiver has 9 squelch levels,a continuously open setting and an automatic squelch setting. ➥ While pushing and holding [SQL] , rotate [R-DIAL] to se- lect the sq...
Page 32 - Attenuator function; RF gain
■ Attenuator function The attenuator prevents a desired signal from distorting whenvery strong signals are near the desired frequency or whenvery strong electric fi elds, such as from a broadcasting sta- tion, are near your location. The attenuator gain is about 30dB. ➥ Push [ Ω ΩΩ Ω ATT] for 1 sec....
Page 33 - Setting; Duplex operation
20 4 BASIC OPERATION 4 Duplex communication uses 2 different frequencies for trans-mitting and receiving. Generally, duplex is used in communi-cation through a repeater, some utility communications, etc. During duplex operation, the transmit station frequency isshifted from the receive station frequ...
Page 34 - AFC function
21 4 BASIC OPERATION ■ AFC function The AFC (Automatic Frequency Control) function tunes thedisplayed frequency automatically when an off-center fre-quency is received. It activates in FM/WFM modes only withsingle band operation. ➥ Push [0 AFC] to toggle the AFC function ON and OFF. • “AFC” appears ...
Page 35 - Band scope
22 4 BASIC OPERATION 4 ■ Band scope The band scope function allows you to visually check a spec-ified frequency range. Sweep range can be selected from±14 kHz through ±1400 kHz. q Set the desired frequency as band scope center frequency. w While pushing and holding [2 SWEEP] , rotate [R-DIAL] to sel...
Page 37 - DUALWATCH OPERATION; Main band selection; • Operating bands table for dualwatch operation
24 5 DUALWATCH OPERATION 4 5 ■ Main band selection ➥ Push [MAIN/SUB] momentarily to select the upper band or lower band as main band (operating band) alternately. ■ Band exchange ➥ Push [MAIN/SUB] for 1 sec to exchange the upper band’s frequency and lower band’s frequency. • The A-side is upper side...
Page 38 - Setting audio volume
25 5 DUALWATCH OPERATION ■ Setting audio volume q Push [DUALWATCH] for 1 sec. to enter the dualwatch op- eration, if necessary w Push and hold [SQL] , push [ Y Y ] or [ Z Z ] to adjust the audio level for the main band. • Pushing and holding either key changes the audio level continu- ously. • The d...
Page 39 - MEMORY CHANNELS; General description; Memory channel contents; Memory channel programming
26 6 MEMORY CHANNELS ■ General description The receiver has 1050 memory channels including 50 scanedge memory channels (25 pairs) for storage of often-usedfrequencies. And a total of 26 memory banks, A to Z are avail-able for usage by group, etc. Up to 100 channels can be as-signed into a bank. D D ...
Page 40 - Memory bank setting
27 6 MEMORY CHANNELS ■ Memory bank setting The IC-R20 has a total of 26 banks (A to Z) . Regular memory channels, 000 to 999, are assigned into the desired bank foreasy memory management. q Push [MR S.MW] for 1 sec. to select the select memory write condition. • 1 short and 1 long beep sound.• “ µµ ...
Page 41 - Memory bank selection
28 6 MEMORY CHANNELS ■ Memory bank selection q Push [MR S.MW] to select memory mode. w While pushing [BAND] , rotate [R-DIAL] to select the de- sired bank (A to Z) . • The bank can also be selected by pushing [BAND] several times. • Only programmed banks are displayed. e Rotate [R-DIAL] to select th...
Page 42 - Programming memory/bank name
29 6 MEMORY CHANNELS ■ Programming memory/bank name Each memory channel can be programmed with an alphanu-meric channel name for easy recognition and can be indicatedindependently by channel. Names can be a maximum of 8characters. q Push [MR S.MW] to select memory mode. w Rotate [R-DIAL] to select t...
Page 43 - Available characters; A B C D E F G H I J K L M N O P
30 6 MEMORY CHANNELS D D Available characters ■ Selecting memory/bank nameindication During memory mode operation, one of the programmedmemory name or bank name can be displayed below the fre-quency indication. q Push [MR S.MW] to select memory mode. • Push [BAND] several times to select the desired...
Page 44 - Copying memory contents; Memory
31 6 MEMORY CHANNELS ■ Copying memory contents This function transfers a memory channel’s contents to VFO(or another memory channel). This is useful when searchingfor signals around a memory channel frequency and for re-calling the offset frequency, subaudible tone frequency etc. D Memory ➪ VFO q Se...
Page 45 - Memory clearing
32 6 MEMORY CHANNELS ■ Memory clearing Contents of programmed memories can be cleared (blanked),if desired. q Push [MR S.MW] for 1 sec. to select the select memory write condition. • 1 short and 1 long beeps sound.• “ µµ ” indicator blinks. • Do not hold [MR S.MW] for more than 2 sec. otherwise the ...
Page 46 - Erasing/transferring bank contents
33 6 MEMORY CHANNELS ■ Erasing/transferring bank contents The bank contents of programmed memory channels can becleared or reassigned to another memory bank. INFORMATION: Even if the memory bank contents are cleared, the memory channel contents still remain pro-grammed. q Select the desired bank con...
Page 47 - SCAN OPERATION; Scan types; FULL SCAN; PROGRAMMED SCAN
34 7 SCAN OPERATION 6 ■ Scan types Scanning searches for signals automatically and makes iteasier to locate new stations for contact or listening purposes. There are 7 scan types and 4 resume conditions to suit youroperating needs. The scan speed is at 100 ch/sec. (approx.)for VFO scan, 20 ch/sec. (...
Page 48 - About the scanning steps:
35 7 SCAN OPERATION ■ Full/band/programmed scan q Select VFO mode with [VFO MHz] . • Select the desired frequency band with [BAND] , if desired. w Set the squelch level. e While pushing and holding [MODE SCAN] , rotate [R-DIAL] to select the desired scanning type. • “ALL” for full scan; “BAND” for b...
Page 49 - Scan edges programming
36 7 SCAN OPERATION ■ Scan edges programming Scan edges can be programmed in the same manner asmemory channels. Scan edges are programmed into scanedges, 00A/00B to 24A/24B, in memory channels. q Push [VFO MHz] to select VFO mode. w Set the desired frequency: ➥ Select the desired band with [BAND] . ...
Page 51 - Auto-memory write scan; Recalling the stored frequencies:
38 7 SCAN OPERATION ■ Auto-memory write scan This scan is useful for searching a speci fi ed frequency range and automatically storing busy frequencies into memorychannels. The auto-memory write scan is performed with anyVFO scan types (ALL, BAND, PROG). q Select VFO mode with [VFO MHz] . w Push and...
Page 52 - Skip channel/frequency setting
39 7 SCAN OPERATION Memory channels can be set to be skipped for memory skipscan. In addition, memory channels can be set to be skippedfor both memory skip scan and frequency skip scan. Theseare useful to speed up the scan interval. q Select a memory channel: ➥ Push [MR S.MW] to select memory mode. ...
Page 53 - Scan pause timer; Scan resume condition
40 7 SCAN OPERATION D D Scan pause timer The scan pauses when receiving signals according to thescan pause time. It can be set from 2 to 20 sec. or unlimited. q Push [8 SET] for 1 sec. to enter set mode. w Rotate [R-DIAL] to select “SET EXPAND,” then push [8 SET] . e Rotate [R-DIAL] to turn the expa...
Page 54 - Scan resume timer
41 7 SCAN OPERATION D D Scan resume timer The scan restarts after the signal disappears according to theresume time. It can be set from 0–5 sec. or unlimited. q Push [8 SET] for 1 sec. to enter set mode. w Rotate [R-DIAL] to select “SET EXPAND,” then push [8 SET] . e Rotate [R-DIAL] to turn the expa...
Page 55 - PRIORITY WATCH; Priority watch types; About priority beep function; MEMORY CHANNEL WATCH; MEMORY SCAN WATCH; VFO SCAN WATCH
42 8 PRIORITY WATCH ■ Priority watch types Priority watch checks for signals on the frequency every5 sec. while operating on a VFO frequency or scanning. Thereceiver has 3 priority watch types to suit your needs. The watch resumes according to the selected scan resumecondition. See the left page for...
Page 56 - Priority watch operation; Memory channel watch and memory scan watch
43 8 PRIORITY WATCH ■ Priority watch operation D D Memory channel watch and memory scan watch q Select VFO mode; then, set an operating frequency. w Set the watching channel(s). For memory channel watch: Select the desired memory channel. For memory scan watch: Select memory mode, or the desired ban...
Page 57 - VFO scan watch
44 8 PRIORITY WATCH D D VFO scan watch q Select memory mode. • Select a memory bank, if desired. w Push [MODE SCAN] for 1 sec. to start memory/bank scan, if desired. While scanning memory/bank channels: Starts memory/bank scan fi rst. Memory/bank scan can- not be started after VFO scan is started. e...
Page 58 - COMFORTABLE RECEIVING; Tone/DTCS squelch operation
45 COMFORTABLE RECEIVING 9 ■ Tone/DTCS squelch operation The tone or DTCS squelch opens only when receiving a sig-nal with the same pre-programmed subaudible tone or DTCScode, respectively. You can silently wait for the speci fi ed sig- nal using the same tone. q Set the desired frequency in FM mode...
Page 59 - Tone squelch frequency/DTCS code setting; Available tone frequency list
46 9 COMFORTABLE RECEIVING ■ Tone squelch frequency/DTCS code setting 88.5 Hz and 023 is set as the default for the tone squelch fre-quency and the DTCS code, respectively. The frequency andcode can be selected as desired. q Push [8 SET] for 1 sec. to enter set mode. w Rotate [R-DIAL] to select “SET...
Page 60 - DTCS polarity setting
47 9 COMFORTABLE RECEIVING ■ DTCS polarity setting As well as the code setting, the polarity setting is also avail-able for the DTCS operation. When a different polarity is set,the DTCS never releases audio mute even when a signal withmatched code number is received. q Push [8 SET] for 1 sec. to ent...
Page 61 - Tone scan
48 9 COMFORTABLE RECEIVING ■ Tone scan By monitoring a signal that is being operated with pocketbeep, tone or DTCS squelch function, you can determine thetone frequency or DTCS code necessary to open a squelch. q Set the frequency to be checked for a tone frequency orcode. w Turn the desired tone ty...
Page 62 - SET MODE; General; Set mode entering and operation
49 SET MODE 10 ■ General Set mode is used for programming infrequently changed val-ues or conditions of functions. In addition, the IC-R20 has an expanded set mode which isused for programming even more infrequently changed val-ues or conditions of functions. When turning the expandedset mode OFF, o...
Page 63 - Set mode items; General set mode items
50 10 SET MODE ■ Set mode items The following items are available in the set mode and ex-panded set mode. D D General set mode items D D Expanded set mode items † Available for the USA version only. *** - SET - MODE - *** - DTCS - CODE >TONE - FREQ - DUPLEX - OFFSET - FREQ - SCOPE - AF - OUTPUT -...
Page 64 - Priority watch
51 10 SET MODE D D Priority watch Turn the priority watch or priority beep (priority watch withbeep emission capability) ON. (default: OFF) • ON : Start priority watch after exiting set mode. • BELL : Emits beeps and blinking “ S ” indicator when a signal is received on the priority frequency. D D K...
Page 65 - Power save
52 10 SET MODE D D Power save The power save function reduces the current drain to con-serve battery power. This power save function can be turnedOFF, if desired. In the default setting (“AUTO” selection), the power save func-tion is activated in 1:4 (125 msec.: 500 msec.) ratio when no sig- nal is ...
Page 66 - AM antenna selection
53 10 SET MODE D D AM antenna selection This setting is activated only for the AM broadcast band,0.495–1.620 MHz (differ according to version) reception. • EXT : Use the antenna connected to the antenna con- nector. (default) • BAR : Use the internal bar antenna for AM broadcast band reception. D D ...
Page 67 - Dial speed acceleration
54 10 SET MODE D D Dial speed acceleration The dial speed acceleration automatically speeds up the tun-ing dial speed when rotating [R-DIAL] rapidly. • OFF : The dial speed acceleration is turned OFF. • ON : The dial speed acceleration is tuned ON. (default) D D Monitor key action The monitor key, [...
Page 69 - Scope audio output
56 10 SET MODE D D Scope audio output Sets the audio output function while scope operation. The scope audio output is used for fi nding out the signals while scope function are modulated, unmodulated or beetsignal etc. D D Offset frequency Sets the duplex offset frequency for each frequency band in-...
Page 70 - Tone frequency; • Available subaudible tone frequencies; DTCS code; • Available DTCS code; DTCS polarity
57 10 SET MODE D D Tone frequency Sets subaudible tone frequency for tone squelch operation.Total of 50 tone frequencies (67.0–254.1 Hz) are available. (default: 88.5 Hz) • Available subaudible tone frequencies D D DTCS code Sets DTCS code for DTCS squelch operation. Total of 104codes (023–754) are ...
Page 71 - Memory bank link
58 10 SET MODE 10 D D Memory bank link Sets the linked bank for the bank-link scan. (default: All banks are ON) q Rotate [R-DIAL] to select the bank that you want to change setting. w Push [8 SET] for 1 sec. to enter the bank link setting con- dition. e Rotate [R-DIAL] to select the setting, then pu...
Page 73 - OTHER FUNCTIONS; Antenna selection; Selecting antenna; MUST BE
60 11 OTHER FUNCTIONS ■ Antenna selection The IC-R20 has an internal bar antenna installed for receivingAM broadcast band (0.495–1.620 MHz; differ according to version) signals. In addition, the connected earphone’s cable can beused as an antenna for receiving FM broadcast band (76.000–107.995 MHz; ...
Page 74 - Weather channel selection; Weather channel operation
61 11 OTHER FUNCTIONS D D Weather channel selection q Push [MR S.MW] several times to select the weather chan- nel group. w Rotate [R-DIAL] to select the desired weather channel. e Push [VFO MHz] to return to VFO mode, or push [MR S.MW] to select other mode to exit the weather channel. D D Weather a...
Page 75 - Data cloning; Cloning using a personal computer
62 11 OTHER FUNCTIONS ■ Data cloning Cloning allows you to quickly and easily transfer the pro-grammed contents from a personal computer to a receiverusing the optional CS-R20 CLONING SOFTWARE . D Cloning using a personal computer Data can be cloned to and from a personal computer (Mi-crosoft ® Wind...
Page 76 - Cloning error; Auto power-off function
63 11 OTHER FUNCTIONS D Cloning error NOTE: DO NOT push any key on the receiver during cloning. This will cause a cloning error. When the display appears as below, a cloning error has oc-curred. In such a case, the receiver automatically performs ALLRESET while turning power OFF and ON. ■ Auto power...
Page 77 - IC recorder; Recording a received audio; RF
64 11 OTHER FUNCTIONS ■ IC recorder The IC-R20 has an IC recorder of up to 32 tracks. The maxi-mum recording length is about 260 minutes. D D Recording a received audio q Push [ REC] momentarily to start recording. • Red LED below the [ REC] lights ON. w Push [ REC] to pause to record or push [ ■ ≈ ...
Page 78 - • Playback speed setting
65 11 OTHER FUNCTIONS • Playback speed setting The playback speed can be selected from 5 speeds. q Push [ ■ ≈ ≈ ] for 1 sec. to enter the playback speed set mode. w Rotate [R-DIAL] to select the desired playback speed, then push [ ■ ≈ ≈ ] . • x x0 0. .5 50 0 : Playback the recorded content at half s...
Page 79 - • Automatic recording
66 11 OTHER FUNCTIONS 11 • Automatic recording The IC-R20 has an automatic recording function. When thisfunction is activated, the receiver will record automaticallywhen a receiving signal appears and pause when the signaldisappears. This function is very useful when you want tostore an uncontinuous...
Page 80 - Partial reset; All reset
67 11 OTHER FUNCTIONS ■ Partial reset If you want to initialize the operating conditions (VFO fre-quency, VFO settings, set mode contents) without clearingthe memory contents, a partial resetting function is availablefor the receiver. ➥ While pushing [VFO MHz] , turn the power ON to partially reset ...
Page 81 - CONTROL COMMAND; Controller; Command table; Description
68 12 CONTROL COMMAND 11 12 ■ General The IC-R20 can be connected to a PC via the PC’s RS-232Cport using an optional CT-17 CI-V LEVEL CONVERTOR . This allows you to control the receiver from the PC and/or transferdata from the receiver to the PC. Control is provided via Icom’s CI-V Communication Int...
Page 82 - CI-V connections example
69 12 CONTROL COMMAND CT-17 Power supply 9–15VDC RS-232C cable IC-R20 to [SP/CI-V] Computer Optional BC-25 CI-V connections example CI-V compatible transceiver CI-V compatible transceiver 3.5(d) mm GND I/O GND I/O 3-conductor 3.5(d) mm plug must be used. 2-conductor 3.5(d) mm plug
Page 83 - FREQUENCY TABLE; TV channels; CCIR channels
70 13 FREQUENCY TABLE CH Freq. 40 628.75 41 636.75 42 644.75 43 652.75 44 660.75 45 668.75 46 676.75 47 684.75 48 692.75 49 700.75 50 708.75 51 716.75 52 724.75 53 732.75 54 740.75 55 748.75 56 756.75 57 764.75 58 772.75 59 780.75 60 788.75 61 796.75 62 804.75 63 812.75 64 820.75 65 828.75 66 836.75...
Page 84 - China channels
71 13 FREQUENCY TABLE D D China channels (unit: MHz) CH Freq. 1 56.25 2 64.25 3 72.25 4 83.75 5 91.75 6 174.75 7 182.75 8 190.75 9 198.75 10 206.75 11 214.75 12 222.75 13 477.75 14 485.75 15 493.75 16 501.75 17 509.75 18 517.75 19 525.75 20 533.75 21 541.75 22 549.75 23 557.75 24 565.75 25 613.75 26...
Page 85 - Indonesian channels
72 13 FREQUENCY TABLE D D Indonesian channels (unit: MHz) CH Freq. 1A 53.75 2 60.75 3 67.75 4 180.75 5 187.75 6 194.75 7 201.75 8 208.75 9 215.75 10 222.75 11 229.75 21 476.75 22 484.75 23 492.75 24 500.75 25 508.75 26 516.75 27 524.75 28 532.75 29 540.75 30 548.75 31 556.75 32 564.75 33 572.75 34 5...
Page 86 - VHF marine channels
73 13 FREQUENCY TABLE ■ VHF marine channels (unit: MHz) CH Ship Ship No. Transmit Receive 01 156.050 160.650 01A 156.050 156.050 02 156.100 160.700 03 156.150 160.750 03A 156.150 156.150 04 156.200 160.800 04A 156.200 156.200 05 156.250 160.850 05A 156.250 156.250 06 156.300 156.300 07 156.350 160.9...
Page 87 - Other communications in the USA
74 13 FREQUENCY TABLE CH Frequency 1 462.5625 MHz 2 462.5875 MHz 3 462.6125 MHz 4 462.6375 MHz 5 462.6625 MHz 6 462.6875 MHz 7 462.7125 MHz ■ Other communications in the USA D D FRS (Family Radio Service) channels Dot color Frequency Red 151.625 MHz Purple 151.955 MHz Blue 154.570 MHz Green 154.600 ...
Page 88 - General aviation frequencies
75 13 FREQUENCY TABLE Frequency Description 121.500 Emergencies122.000 Flight Advisory Service 122.200 Flight Service Stations 122.700 Unicom— Uncontrolled airports 122.725 Unicom— Private airports 122.750 Unicom— Air-to-air communications 122.800 Unicom— Uncontrolled airports 122.900 Search & r...
Page 89 - Other communications— other countries; LPD
76 13 FREQUENCY TABLE ■ Other communications— other countries CH Frequency 1 446.00625 2 446.01875 3 446.03125 4 446.04375 5 446.05625 6 446.06875 7 446.08125 8 446.09375 D D PMR446 channels (unit: MHz) CH Frequency 59 434.525 60 434.550 61 434.575 62 434.600 63 434.625 64 434.650 65 434.675 66 434....
Page 90 - channels
77 13 FREQUENCY TABLE CH Frequency 1 476.425 MHz 2 476.450 MHz 3 476.475 MHz 4 476.500 MHz 5 476.525 MHz 6 476.550 MHz 7 476.575 MHz 8 476.600 MHz 9 476.625 MHz 10 476.650 MHz 11 476.675 MHz 12 476.700 MHz 13 476.725 MHz 14 476.750 MHz 15 476.775 MHz 16 476.800 MHz 17 476.825 MHz 18 476.850 MHz 19 4...
Page 91 - MAINTENANCE; PROBLEM; Troubleshooting
78 14 MAINTENANCE PROBLEM POSSIBLE CAUSE SOLUTION REF. ■ Troubleshooting If your receiver seems to be malfunctioning, please check thefollowing points before sending it to a service center. No power comes on. No sound comes from thespeaker. Sensitivity is low and onlystrong signals are audible. Freq...
Page 92 - SPECIFICATIONS; GENERAL; RECEIVER
79 SPECIFICATIONS 15 D D GENERAL • Frequency coverage : (Unit: MHz) USA 0.150–821.999, 851.000–866.999,896.000–1304.999, 1305.000–3304.999 France 0.150–29.999, 50.200–51.200, 87.500–108.000, 144.000–146.000, 430.000–440.000, 1240.000–1300.000 Other than above 0.150–1304.999, 1305.000–3304.999 • Numb...
Page 93 - OPTIONS; Options
80 16 OPTIONS 15 16 ■ Options BC-149 A/D AC ADAPTOR Regularly charges the installedbattery pack (BP-206).6 V DC/1 A output.Same as supplied one. (Not sup- plied with some versions.) CP-18A/E CIGARETTE LIGHTER CABLE WITH DC - DC CONVERTER Allows you to operate the re-ceiver through a 12 V cigaretteli...
Page 94 - DRIVER INSTALLATION; For Microsoft
81 DRIVER INSTALLATION 17 Before installing the optional CS-R20 CLONING SOFTWARE , the USB driver must be installed.Install the USB driver as follows. ■ For Microsoft ® Windows ® XP q Connect the IC-R20 to the desired USB port using with theUSB cable, OPC-1382. • “Found New Hardware” appears as belo...
Page 103 - COM port confirmation
90 17 DRIVER INSTALLATION 17 t When the driver is found, the following dialog is displayed.Click [Next>] to start the installation. y After the installation is completed, click [Finish]. • Rebooting the PC is recommended. ■ COM port confirmation After the driver installation, con fi rm the driver...
Page 105 - POCKET GUIDE
q w iR20 ■ VFO mode selection POCKET GUIDE Push [VFO MHz] momentar ily to select VFO mode . ➥ ■ Receive mode selection Push [MODE SCAN] se v e ral times to select the desired mode . ➥ ■ A udio le vel setting Rotate [L-DIAL] (or push [ Y ]/ [ Z ]) to set the audio le v el. ➥ ■ Squelc h le vel setting...
Page 107 - CE; DECLARATION
94 19 CE 19 DECLARATION OF CONFORMITY We Icom Inc. Japan 1-1-32, Kamiminami, Hirano-kuOsaka 547-0003, Japan Declare on our sole responsibility that this equipment complies with theessential requirements of the Radio and Telecommunications TerminalEquipment Directive, 1999/5/EC, and that any applicab...