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Icom IC-R20 Instruction Manual

Other manuals for IC-R20: Instruction Manual, Service Manual, Service Manual

Summary of IC-R20

  • Page 1

    Instruction manual ir20 communications receiver this device complies with part 15 of the fcc rules. Operation is sub- ject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may c...

  • Page 2: D Features

    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, this product should provide you with years of trouble-free operation. We want to take a couple of moments of your ...

  • Page 3

    Rwarning! Never operate the receiver with a ear- phone, headphones or other audio accessories at high vol- ume levels. Hearing experts advise against continuous high volume operation. If you experience a ringing in your ears, re- duce the volume level or discontinue use. Rwarning! Never connect the ...

  • Page 4

    Iii supplied accessories q antenna (fa-b04re) ………………………………………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 d...

  • Page 5

    Iv table of contents 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 foreword .................................................. I important .................................................. I explicit definitions ................................ I precaution ............................................... Ii ...

  • Page 6: Quick Reference Guide

    I quick reference guide ■ preparation d battery installation q remove the battery cover from the receiver. W install 3 r6(aa) size alkaline cell batteries. • be sure to observe the correct polarity. Keep battery the contacts clean. It’s a good idea to clean the battery terminals once a week. D belt ...

  • Page 7

    Ii quick reference guide d d antenna insert the supplied antenna into the antenna connector and screw down the antenna as shown at right. Never hold the antenna when car- rying the receiver. Keep the jack cover attached when jack is not in use to protect the con- nectors from dust and moisture. ✔ fo...

  • Page 8: Panel Description

    ■ front, top and side panels qantenna connector (p. Ii) connects the supplied antenna. Wsquelch key [sql] (p. 18) ➥ push and hold to temporarily open the squelch and monitor the operating frequency. ➥ while pushing this key, rotate the tuning dial* to adjust the squelch level. Eup/down keys [y y]/[z...

  • Page 9

    2 1 panel description 1 uleft dial [l-dial] ➥ during single band operation, rotate to adjust audio vol- ume level.* (p. 17) ➥ during dualwatch operation, activates as the tuning dial for upper side on the display.* iright dial [r-dial] ➥ rotate to select the operating frequency.* (p. 12) ➥ while sca...

  • Page 10

    3 1 panel description t vfo/mhz key [vfo mhz] ➥ push to select vfo mode. (p. 11) ➥ push for 1 sec. To toggle between the 1 mhz or 10 mhz tuning steps (p. 14 y mode/scan key [mode scan] ➥ push to select the operating mode (fm, wfm, am, usb, lsb, cw). (p. 16) ➥ push for 1 sec. To start a scan. (p. 35)...

  • Page 11

    4 1 panel description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 !2 tone scan key [4 t-scan] ➥ inputs digit ‘4’ for frequency input, memory channel selection, etc. ➥ push for 1 sec. To start a tone scan. (p. 48) !3 frequency skip key [5 skip] ➥ inputs digit ‘5’ for frequency input, memory channel select...

  • Page 12

    5 1 panel description !8 tuning step key [9 ts] ➥ push for 1 sec. To select the tuning step. (p. 14) ➥ inputs digit ‘9’ for frequency input, memory channel selection, etc. !9 lock key [• lock] ➥ inputs mhz digit for frequency input. (p. 15) ➥ push for 1 sec. To toggle the lock function on and off. (...

  • Page 13: ■ Function Display

    6 1 panel description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ function display qbattery 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. ➥ scrolls w...

  • Page 14

    7 1 panel description ranl/nb indicator (pgs. 21, 52) ➥ “anl” appears when the anl (automatic noise limitter) function is in use. The anl function is available only for am mode. ➥ “nb” appears when the noise blanker function is in use. The noise blanker function is available while in lsb/usb/cw mode...

  • Page 15: Battery Charging

    8 2 battery charging 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ battery installation before installing, or replacing the batteries, push [power] for 1 sec. To turn the power off. Q remove the battery cover from the receiver. W install 3 r6 (aa) size alkaline batteries. • be sure to observe the correct...

  • Page 16: ■ Caution

    ■ caution d d battery caution • caution! Never short the battery terminals. Also, current may flow into nearby metal objects such as a necklace, so be careful when placing battery pack in handbags, etc. • never incinerate used battery pack or battery cells. Inter- nal battery gas may cause explosion...

  • Page 17

    10 2 battery 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, find the source of the prob- lem if possible, and replace the damaged fuse with a new rated one (fgb 5 a) as shown below. D d rapid charging with th...

  • Page 18: ■ Mode Selection

    11 frequency and channel setting 3 ■ mode selection d d vfo mode vfo mode is used for the desired frequency setting within the frequency 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 ...

  • Page 19

    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. ➥ push [band] several times to select the desired frequency band. • when a memory mode is sel...

  • Page 20

    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 are differ according...

  • Page 21: ■ Setting A Tuning Step

    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, are appeared when setting the tuning step for the vhf air band and am broadcast band, respectively. The following tun-...

  • Page 22

    15 3 frequency and channel setting d d using the keypad the frequency can be directly set via numeral keys. • when editting a frequency outside of the fre- quency range, the previously displayed frequency is automatically recalled after editting last digit. Q push [vfo mhz] to select vfo mode, if ne...

  • Page 23: ■ Receive Mode Selection

    16 3 frequency and channel setting 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ receive mode selection receive modes are determined by the physical properties of the radio signals. The receiver has 6 receive modes: fm, wfm, am, lsb, usb and cw modes. The mode selection is stored independently in each ba...

  • Page 24: Basic Operation

    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 while...

  • Page 25: ■ Squelch Level Setting

    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 s...

  • Page 26: ■ Attenuator Function

    ■ attenuator function the attenuator prevents a desired signal from distorting when very strong signals are near the desired frequency or when very strong electric fields, such as from a broadcasting sta- tion, are near your location. ➥ push [ Ω ΩΩ Ω att] for 1 sec. To toggle the attenuator function...

  • Page 27: ■ 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 is shifted from the receive station fr...

  • Page 28: ■ Afc Function

    21 4 basic operation ■ afc function the afc (automatic frequency control) function tunes the displayed frequency automatically when an off-center fre- quency is received. It activated in fm/wfm modes only with single band operation. ➥ push [0 afc] to toggle the afc function on and off. • “afc” appea...

  • Page 29: ■ Band Scope

    22 4 basic operation 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ 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 hol...

  • Page 30

    23 4 basic operation ■ [dial] function assignment the frequency control dial can be traded with an audio volume control dial or [y y]/[z z] keys to suit your preference. ➥ push [1 dial] for 1 sec. To toggle the dial function from tun- ing dial and audio volume. • “ ∂ ” appears when [y y]/[z z] funct...

  • Page 31: Dualwatch Operation

    24 5 dualwatch operation 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ 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 change the au...

  • Page 32: ■ Main Band Selection

    25 5 dualwatch operation ■ 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. 145 000 433 000 afc -dup -dup ...

  • Page 33: Memory Channels

    26 6 memory channels ■ general description the receiver has 1050 memory channels including 50 scan edge memory channels (25 pairs) for storage of often-used frequencies. 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. ...

  • Page 34: ■ 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 for easy memory management. Q push [mr s.Mw] for 1 sec. To select the select memory write condition. • 1 short and 1 long beep sound. • “ µ...

  • Page 35: ■ 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. • the only programmed banks are displayed. E rotate [r-dial] to select...

  • Page 36

    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 indicated independently by channel. Names can be a maximum of 8 characters. Q push [mr s.Mw] to select memory mode. W rotate [r-dial] to selec...

  • Page 37: Indication

    30 6 memory channels d d available characters ■ selecting memory/bank name indication during memory mode operation, one of the programmed memory 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 desi...

  • Page 38: ■ Copying Memory Contents

    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 searching for signals around a memory channel frequency and for re- calling the offset frequency, subaudible tone frequency etc. D memory ➪vfo q ...

  • Page 39: ■ 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. • “ µ ” indicator blinks. • do not hold [mr s.Mw] for more than 2 sec. Otherwise the...

  • Page 40

    33 6 memory channels ■ erasing/transferring bank contents the bank contents of programmed memory channels can be cleared 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 c...

  • Page 41: Scan Operation

    34 7 scan operation 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ scan types scanning searches for signals automatically and makes it easier to locate new stations for contact or listening purposes. There are 7 scan types and 4 resume conditions to suit your operating needs. Full scan (p. 35) repeatedly ...

  • Page 42

    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 band...

  • Page 43: ■ Scan Edges Programming

    36 7 scan operation ■ scan edges programming scan edges can be programmed in the same manner as memory channels. Scan edges are programmed into scan edges, 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 44

    37 7 scan operation ■ memory/bank/all bank scan q select memory mode with [mr s.Mw]. • select the desired bank with [band] for bank scan. W set the squelch level. E while pushing and holding [mode scan], rotate [r-dial] to select the desired scanning type. • “all” for all bank scan; “bank-link” for ...

  • Page 45: ■ Auto-Memory Write Scan

    38 7 scan operation ■ auto-memory write scan this scan is useful for searching a specified frequency range and automatically storing busy frequencies into memory channels. The auto-memory write scan is performed any vfo scan types (all, band, prog). Q select vfo mode with [vfo mhz]. W push and hold ...

  • Page 46

    39 7 scan operation memory channels can be set to be skipped for memory skip scan. In addition, memory channels can be set to be skipped for both memory skip scan and frequency skip scan. These are useful to speed up the scan interval. Q select a memory channel: ➥ push [mr s.Mw] to select memory mod...

  • Page 47: ■ Scan Resume Condition

    40 7 scan operation d d scan pause timer the scan pauses when receiving signals according to the scan 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” item, then push [8 set]. E rotate [r-dial] to turn the...

  • Page 48

    41 7 scan operation d d scan resume timer the scan restarts after the signal disappears according to the resume 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” item, then push [8 set]. E rotate [r-dial] to turn the...

  • Page 49: Priority Watch

    42 8 priority watch ■ priority watch types priority watch checks for signals on the frequency every 5 sec. While operating on a vfo frequency or scanning. The receiver has 3 priority watch types to suit your needs. The watch resumes according to the selected scan resume condition. See the left page ...

  • Page 50

    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 51

    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 first. Memory/bank scan can- not be started after vfo scan is started. E ...

  • Page 52: Comfortable Receiving

    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 dtcs code, respectively. You can silently wait for the specified sig- nal using the same tone. Q set the desired frequency in fm mode...

  • Page 53

    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 and code can be selected as desired. Q push [8 set] for 1 sec. To enter set mode. W rotate [r-dial] to select “s...

  • Page 54: ■ 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 a signal with matched code number is received. Q push [8 set] for 1 sec. To enter...

  • Page 55: ■ Tone Scan

    48 9 tone squelch and pocket beep ■ tone scan by monitoring a signal that is being operated with pocket beep, tone or dtcs squelch function, you can determine the tone frequency or dtcs code necessary to open a squelch. Q set the frequency to be checked for a tone frequency or code. W turn the desir...

  • Page 56: Set Mode

    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 is used for programming even more infrequently changed val- ues or conditions of functions. When turning the expanded set mode of...

  • Page 57: ■ 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 - s...

  • Page 58

    51 10 set mode d d priority watch turn the priority watch or priority beep (priority watch with beep 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 ke...

  • Page 59

    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 turned off, 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 ...

  • Page 60

    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 61

    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 62

    55 10 set mode d d scan pause timer selects the scan pause time. When receiving signals, the scan pauses according to the scan pause time. • 2–20 : scan pauses for 2–20 sec. On a received signal, and selected in 2 sec. Steps. (default: 10 sec.) • hold : scan pauses on a received signal until it disa...

  • Page 63

    56 10 set mode d d scope audio output sets the audio output function while scope operation. The scope audio output is used for finding out the signals while scope function are modulated, unmodulated or beet signal etc. D d offset frequency sets the duplex offset frequency for each frequency band in-...

  • Page 64

    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 104 codes (023–754) ar...

  • Page 65

    58 10 set mode 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 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-...

  • Page 66

    59 10 set mode d d ci-v address to distinguish equipment, each ci-v transceiver/receiver has its own icom standard address in hexadecimal code. The ic- r20’s address is “6c.’ when 2 or more ic-r20s are connected to an optional ct-17 ci - v level convertor , set a different address for each ic- r20 i...

  • Page 67: Other Functions

    60 11 other functions ■ antenna selection the ic-r20 has an internal bar antenna for receiving am broadcast band (0.495–1.620 mhz) signals. In addition, the connected earphone’s cable can be used as an antenna for receiving fm broadcast band (76.000–107.995 mhz; differ ac- cording to version) signal...

  • Page 68

    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. R 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 69: ■ Data Cloning

    62 11 other functions ■ data cloning cloning allows you to quickly and easily transfer the pro- grammed contents from a personal computer to a receiver using the optional cs-r20 cloning software . D cloning using a personal computer data can be cloned to and from a personal computer (mi- crosoft ® w...

  • Page 70: ■ Auto Power-Off Function

    63 11 other functions d cloning error ☞ note: do not push any key on the sub-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 all reset while turning power off and on. ■ au...

  • Page 71: ■ Ic Recorder

    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] momentarily to pause to record o...

  • Page 72

    65 11 other functions • playing speed setting the playing speed can be selected from 5 speeds. Q push [ ■ ≈ ≈ ] for 1 sec. To enter the playing speed set mode. W rotate [r-dial] to select the desired speed, then push [ ■ ≈ ≈ ]. D d recording set mode • quality setting q push [ rec] for 1 sec. To ent...

  • Page 73

    66 11 other functions 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 • automatic recording the ic-r20 has an automatic recording function. When this function is activated, the receiver will record automatically when a receiving signal appears and pause when the signal disappears. This function is very usefu...

  • Page 74: ■ Partial Reset

    67 11 other functions ■ partial reset if you want to initialize the operating conditions (vfo fre- quency, vfo settings, set mode contents) without clearing the memory contents, a partial resetting function is available for the receiver. ➥ while pushing [vfo mhz], turn the power on to partially rese...

  • Page 75: Control Command

    68 12 control command 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ general the ic-r20 can be connected to a pc via the pc’s rs-232c port using an optional ct-17 ci-v level convertor . This allows you to control the receiver from the pc and/or transfer data from the receiver to the pc. Control is provide...

  • Page 76

    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 connection example 3.5(d) mm gnd i/o gnd i/o 3.5(d) mm stereo plug must be used..

  • Page 77: Frequency Table

    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 78

    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 79

    72 13 frequency table d d indonesian channels (unit: mhz) ch freq. 2 53.75 3 60.75 4 67.75 5 180.75 6 187.75 7 194.75 8 201.75 9 208.75 10 215.75 11 222.75 12 229.75 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 80: ■ 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 81

    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 82

    75 13 frequency table frequency description 121.500 emergencies 122.000 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 & resc...

  • Page 83

    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 84

    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 85: Maintenance

    78 14 maintenance problem possible cause solution ref. ■ troubleshooting if your receiver seems to be malfunctioning, please check the following points before sending it to a service center. No power comes on. No sound comes from the speaker. Sensitivity is low and only strong signals are audible. F...

  • Page 86: Specifications

    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 • num...

  • Page 87: Options

    80 16 options 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ■ options bc-149 a/d ac adaptor regularly charges the installed batteries. 6 v dc/1 a output. Cp-18a/e cigarette lighter cable with dc - dc converter allows you to operate the re- ceiver through a 12 v cigarette lighter socket, and also charges th...

  • Page 88

    1-1-32 kamiminami, hirano-ku, osaka 547-0003, japan a-6353h-1ex printed in japan © 2004 icom inc..