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Manual Icom IC-M503

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  • Icom IC-M503 - page 1

    INSTRUCTION MANUAL iM503 VHF MARINE TRANSCEIVER 01 IC-M503-(1).qxd 01.12.17 5:00 PM Page a (1,1) ...

  • Icom IC-M503 - page 2

    If your vessel requires assistance, contact other vessels and the Coast Guard by sending a distress call on Channel 16. Or , transmit your distress call using digital selective calling on Channel 70 (the optional DS-100 (#02) must be installed). USING DIGIT AL SELECTIVE CALLING (Ch 70) (DS-100 (#02) DSC CONTROLLER is required) DISTRESS CALL PROCEDU ...

  • Icom IC-M503 - page 3

    ii T ABLE OF CONTENTS I N CASE OF EMERGENCY ........................i T ABLE OF CONTENTS ..............................ii IMPORT ANT ..............................................iii CAUTIONS .................................................iii 1 OPERA TING RULES .......................... 1 2 P ANEL DESCRIPTION .................. 2 – 5 ■ Panel ...

  • Icom IC-M503 - page 4

    iii READ ALL INSTRUCTIONS carefully and completely before using the transceiver . SA VE THIS INSTRUCTION MANUAL — This in- struction manual contains important operating instructions for the IC-M503. R W ARNING! NEVER connect the transceiver to an AC outlet. This may pose a fire hazard or result in an electric shock. NEVER connect the transceiver ...

  • Icom IC-M503 - page 5

    1 1 OPERA TING RULES ï ï PRIORITIES • Read all rules and regulations pertaining to priorities and keep an up-to-date copy handy . Safety and distress calls take priority over all others. • Y ou must monitor Channel 16 when you are not operating on another channel. • False or fraudulent distress signals are prohibited and pun- ishable by law ...

  • Icom IC-M503 - page 6

    P ANEL DESCRIPTION 2 2 ■ Panel description CALL DUAL SCAN WA TER RESISTANT TAG DIAL DIMMER HI/LO POWER VOL iM503 VHF MARINE SQL 16 Speaker Function display q we r t y u i o !0 !1 q POWER SWITCH [POWER] Push to toggle the transceiver power ON and OFF . w VOLUME CONTROL [VOL] Adjusts the audio level. (p. 8) e SQUELCH CONTROL [SQL] Sets the squelch ...

  • Icom IC-M503 - page 7

    t CHANNEL SELECT OR [CHANNEL] Rotate [CHANNEL] to select the operating channels, set mode contents, etc. (p. 8) y DIMMER SWITCH [DIMMER] ➥ Push to select one of 8 backlighting (LCD and switches) levels. ➥ Push and hold for 1 sec. to turn the intercom mode ON. u CALL CHANNEL SWITCH [CALL] ➥ Push to select the call channel. (p. 6) ➥ Push and ...

  • Icom IC-M503 - page 8

    ■ Function display q BUSY/TRANSMIT INDICA TOR (p. 8) ➥ “ BUSY ” appears when receiving a signal or when the squelch opens. ➥ “ TX ” appears while transmitting. w POWER INDICA TOR (p. 8) ➥ “ 25W ” appears when high power is selected. ➥ “ 1W ” appears when low power is selected. e T AG CHANNEL INDICA TOR (p. 13) Appears when ...

  • Icom IC-M503 - page 9

    5 2 P ANEL DESCRIPTION ■ Microphone q PTT SWITCH [PTT] Push and hold to transmit; release to receive. (p. 8) w CHANNEL UP/DOWN SWITCHES [ Y Y ]/[ Z Z ] Push either switch to change the operating memory chan- nel, set mode contents, etc. (p. 8) e TRANSMIT POWER SWITCH [HI/LO] ➥ Same as the [HI/LO] switch on the front panel. ➥ When pushed at po ...

  • Icom IC-M503 - page 10

    6 3 BASIC OPERA TION ■ Channel selection ï ï Channel 16 Channel 16 is the distress and safety channel. It is used for establishing initial contact with another station and for emer- gency communications. Channel 16 is monitored during both dualwatch and tri-watch. While standing by , you must monitor Channel 16. ➥ Push [16] to select Channel ...

  • Icom IC-M503 - page 11

    3 BASIC OPERA TION 7 ï ï U.S.A. channels (U.K. version only) For the U.K. versions, there are 58 U.S.A. channels in addi- tion to 57 International channels. q Push [DIAL] to select a regular channel. w While pushing and holding [HI/LO], push [DIAL] to change the channel group. • International and U.S.A. channels can be selected in sequence. e R ...

  • Icom IC-M503 - page 12

    ■ Receiving and transmitting CAUTION: T ransmitting without an antenna may dam- age the transceiver . q Push [POWER] to turn power ON. w Set the audio and squelch levels. ➥ Rotate [SQL] fully counterclockwise in advance. ➥ Rotate [VOL] to adjust the audio output level. ➥ Rotate [SQL] clockwise until the noise disappears. e While pushing and ...

  • Icom IC-M503 - page 13

    3 BASIC OPERA TION 9 ■ Call channel programming The call channel switch can be programmed to your most often-used channels in each channel group for quick recall. q While pushing and holding [HI/LO], push [DIAL] one or more times to select the desired channel group (Interna - tional, U.S.A., Holland, A TIS, DSC) to be programmed. w Push and hold ...

  • Icom IC-M503 - page 14

    3 BASIC OPERA TION 10 ■ Optional voice scrambler operation ï ï Activating the scrambler The optional voice scrambler provides private communica- tions. In order to receive or send scrambled transmissions you must fi rst activate the scrambler function. T o activate the function, an optional UT -98 or UT -1 12 is necessary . See p. 16 for selec ...

  • Icom IC-M503 - page 15

    ■ Description Dualwatch monitors Channel 16 while you are receiving an- other channel; tri-watch monitors Channel 16 and the call channel while receiving another channel. ■ Operation q Select the desired operating channel. w Select dualwatch or tri-watch in set mode. (p. 15) e Push [DUAL] to start dualwatch or tri-watch. •“ DUAL ” appears ...

  • Icom IC-M503 - page 16

    ■ Scan types Scanning is an ef fi cient way to locate signals quickly over a wide frequency range. The transceiver has priority scan and normal scan. Set the tag channels (scanned channel) before scanning. Clear the tag channels which inconveniently stop scanning, such as those for digital communication use. Choose priority scan or normal scan i ...

  • Icom IC-M503 - page 17

    ■ Setting tag channels For more efficient scanning, add desired channels as tag channels or clear tag channels that are unwanted channels. Channels set as non-tag channels will be skipped during scanning. T ag channels can be assigned to each channel group (International, U.S.A., Holland, DSC, A TIS) indepen- dently . q While pushing and holding ...

  • Icom IC-M503 - page 18

    6 SET MODE 14 Push 16 Beep tone Beep ATIS check ATIS check Scan mode Scan mode Scan resume timer Scan timer Dual/tri watch DUAL/TRI LCD contrast LCD contrast Internal speaker Internal speaker Scrambler code Scrambler code Scrambler type Scrambler type ■ Set mode programming Set mode is used to change the conditions of the trans- ceiver ’ s func ...

  • Icom IC-M503 - page 19

    6 SET MODE 15 ■ Set mode items ï ï Scan mode The transceiver has 2 scan modes: normal scan and priority scan. Normal scan searches all tag channels in the selected channel group. Priority scan searches all tag channels in se- quence while monitoring channel 16. ï ï Scan resume timer The scan resume timer can be selected as a pause (OFF) or ti ...

  • Icom IC-M503 - page 20

    16 6 SET MODE ï ï Internal speaker When an optional external speaker is connected, the speak- ers on the transceiver and microphone can be muted. *Internal speaker setting is selectable on IC-M503 and HM-134 independently ï ï LCD contrast This item adjusts the contrast of the LCD in 8 steps. *LCD contrast setting is adjustable on IC-M503 and HM ...

  • Icom IC-M503 - page 21

    17 7 INTERCOM OPERA TION ■ Intercom operation The optional intercom function allows you to talk to the deck from the cabin. The optional HM-134* REMOTE - CONTROL MI - CROPHONE is required for intercom operation. * DO NOT connect another remote-control microphone. Connect an optional HM-134 as described on p. 39. • T ransmitting is impossible du ...

  • Icom IC-M503 - page 22

    18 8 CONNECTIONS AND MAINTENANCE ■ Unpacking The following accessories are supplied: Qty . q Mounting bracket ............................................................ 1 w DC power cable (OPC-891) ........................................... 1 e Microphone hanger ........................................................ 1 r Microphone hanger cab ...

  • Icom IC-M503 - page 23

    19 8 CONNECTIONS AND MAINTENANCE ■ Connections q DC POWER CONNECTOR Connects the supplied DC power cable from this connector to an external 12 V DC power source. CAUTION: After connecting the DC power cable and external speaker jack, cover the connector and jack as shown below to avoid water seeping into the transceiver . w EXTENSION JACK Connect ...

  • Icom IC-M503 - page 24

    20 8 CONNECTIONS AND MAINTENANCE ■ Microphone hanger Rest the supplied microphone on the hanger when not in use. Connect the OPC-1096* to the transceivers chassis and mi- crophone hanger to use the microphone hanger function. * Depending on version. • T ighten the screw at fi xing torque 0.7 N • m (6.9 kg • m). • If the microphone hanger ...

  • Icom IC-M503 - page 25

    21 8 CONNECTIONS AND MAINTENANCE ■ Mounting the transceiver ï ï Using the supplied mounting bracket The universal mounting bracket supplied with your transceiver allows overhead or dashboard mounting. • Mount the transceiver securely with the 2 screws supplied (M5 × 20) to a surface which is more than 10 mm thick and can support more than 5 ...

  • Icom IC-M503 - page 26

    22 8 CONNECTIONS AND MAINTENANCE ï ï Using the optional mounting bracket An optional MB-75 FLUSH MOUNT is available for mounting the transceiver to a fl at surface such as an instrument panel. CAUTION: KEEP the transceiver and microphone at least 1 meter away from your ship ’ s magnetic navigation compass. q Using the template on the last page ...

  • Icom IC-M503 - page 27

    23 8 CONNECTIONS AND MAINTENANCE ■ Optional unit installation CAUTION: DISCONNECT the DC power cable from the transceiver before performing any work on the transceiver . Otherwise, there is danger of electric shock and/or equip- ment damage. ï ï Opening the transceiver case Follow the case opening procedure shown here when you want to install a ...

  • Icom IC-M503 - page 28

    24 8 CONNECTIONS AND MAINTENANCE ■ Dimensions 145.0 (5 23 ⁄ 32 ˝ ) 165.0 (6 1 ⁄ 2 ˝ ) 31.4 (1 1 / 4 ˝ ) 53.0 (2 3 / 32 ˝ ) Unit: mm (inch) 110.0 (4 11 ⁄ 32 ˝ ) 109.4 (4 5 ⁄ 16 ˝ ) 01 IC-M503-(1).qxd 01.12.17 5:00 PM Page 24 (1,1) ...

  • Icom IC-M503 - page 29

    25 9 TROUBLESHOOTING PROBLEM POSSIBLE CA USE SOLUTION REF . No power comes ON. • Bad connection to the power supply . • Check the connection to the tr ansceiver . p . 19 No sound comes from the speaker . • Squelch le vel is too deep . • V olume lev el is too low . • Speaker has been e xposed to water . • Set squelch to the threshold poi ...

  • Icom IC-M503 - page 30

    26 10 CHANNEL LIST • International channels CH F requency (MHz) CH F requency (MHz) CH F requency (MHz) CH F requency (MHz) CH F requency (MHz) CH F requency (MHz) T ransmit Receive T ransmit Receive T ransmit Receive T ransmit Receive T ransmit Receive T ransmit Receive 01 156.050 160.650 1 1 156.550 156.550 21 157.050 161.650 62 156.125 160.725 ...

  • Icom IC-M503 - page 31

    ■ Speci fi cations • GENERAL • Frequency coverage : T ransmit 156.000 – 161.450 MHz Receive 156.000 – 163.425 MHz • Mode : FM (16K0G3E) • Channel spacing : 25 kHz • Current drain (at 13.8 V) : TX high 6.0 A max. Max. audio 1.5 A max. • Power supply requirement : 13.8 V DC (10.8 to 15.6 V) • Frequency stability : ± 10 ppm ( – ...

  • Icom IC-M503 - page 32

    28 12 HM-134 REMOTE-CONTROL MICROPHONE ■ Panel description The optional HM-134 remotely controls the IC-M503 and pro- vides an optional intercom function. q POWER SWITCH [PWR] (pgs. 8, 33) When the IC-M503 power is turned ON, push and hold for 2 sec. to turn the HM-134 power ON or OFF . w PTT SWITCH [PTT] (pgs. 8, 33) Push and hold to transmit; r ...

  • Icom IC-M503 - page 33

    29 12 HM-134 REMOTE-CONTROL MICROPHONE ➥ Enter set mode when pushed and held while turning power ON. (pgs. 14, 37) t DIAL SWITCH [DIAL] ➥ Selects and toggles the regular channels when pushed momentarily . (pgs. 6, 7, 32) ➥ While pushing and holding [H/L], push to select channel group. (pgs. 6, 7 and 32) • The “ EUR ” version has Interna ...

  • Icom IC-M503 - page 34

    30 12 HM-134 REMOTE-CONTROL MICROPHONE !1 EXTERNAL SPEAKER JACK ➥ Connect the external speaker ( an 8 Ω load) . The internal speaker can be deactivated via the Set mode program- ming. (p. 37) • The speaker output employs a BTL (Balanced Trans- Less) circuit, NEVER connect the speaker cable to ground (or chassis). Use a fl oating setup. CAUTI ...

  • Icom IC-M503 - page 35

    31 12 HM-134 REMOTE-CONTROL MICROPHONE ➥ In set mode, indicates the selected condition. (pgs. 14, 37) r VOLUME INDICA TOR (p. 33) Appears while audio output level is adjusted. t SQUELCH INDICA TOR (p. 33) Appears while noise squelch level is adjusted. y CHANNEL NAME INDICA TOR ➥ Channel comment appears (and scrolls) if programmed. (pgs. 9, 38) ...

  • Icom IC-M503 - page 36

    32 12 HM-134 REMOTE-CONTROL MICROPHONE ■ Channel selection ï ï Channel 16 q Push [16 • C] to select Channel 16. w Push [DIAL] to return to the con- dition before selecting Channel 16, or push [ Y ] or [ Z ] to select operating channel. • Output power turns to “ 25W ” auto- matically , whenever Channel 16 is selected. ï ï Call channel ...

  • Icom IC-M503 - page 37

    33 12 HM-134 REMOTE-CONTROL MICROPHONE ■ Receiving and transmitting q Push [PWR] to turn power ON. w Push [VOL], then [ Y ]/[ Z ] to adjust audio output level. • Push [SQL], then [ Y ]/[ Z ] to mute any audio noise, if necessary . e Push [ Y ]/[ Z ] to select the desired channel. • When receiving a signal, “” appears and audio is emitted ...

  • Icom IC-M503 - page 38

    34 12 HM-134 REMOTE-CONTROL MICROPHONE ■ Lock functions The lock function electronically locks keys and switches to prevent accidental changes and function access from the mi- crophone. • All keys, switches and controllers on the transceiver are functional. ï ï Activating the lock function ➥ While pushing and holding [H/L], push [SQL] to tu ...

  • Icom IC-M503 - page 39

    35 12 HM-134 REMOTE-CONTROL MICROPHONE ■ Call channel programming q While pushing and holding [H/L], push [DIAL] several times to select the desired channel group (USA or INT) to be programmed. w Push and hold [16 • C] for 1 sec. to select the call channel of the se- lected channel group. •“ CALL ” and call channel number ap- pear . e Pus ...

  • Icom IC-M503 - page 40

    36 12 HM-134 REMOTE-CONTROL MICROPHONE ■ Starting a scan q While pushing and holding [H/L], push [DIAL] several times to select the channel group (USA or INT), if desired. w Push [SCAN] to start priority or nor- mal scan. •“ SCAN ” appears during normal scan. • The priority channel readout indicates “ 16 ” , and “ P ” and “ SCAN ...

  • Icom IC-M503 - page 41

    37 12 HM-134 REMOTE-CONTROL MICROPHONE ■ Set mode programming Set mode is used to change the condition of the transceiver ’ s functions and the microphone ’ s own functions: T ransceiver ’ s functions — Scan mode (normal or priority), scan resume timer , dual- watch/tri-watch selection, beep tone function, internal speaker , LCD contrast, ...

  • Icom IC-M503 - page 42

    38 12 HM-134 REMOTE-CONTROL MICROPHONE ■ Intercom operation q Push and hold [DUAL] for 1 sec. to activate the intercom function. •“ IC ” appears in the priority channel readout. • The channel name disappears. w Push [PTT] to talk. •“ ” appears in the channel name indicator . e Release [PTT] to listen. •“ ” appears in the chann ...

  • Icom IC-M503 - page 43

    39 13 HM-134 CONNECTIONS AND INST ALLA TION ■ HM-134 supplied accessories Accessories included with the HM-134: Qty . q Connection cable (OPC-1000: 6 m; 20 ft) ...................... 1 w Mounting base ................................................................ 1 e Microphone hanger ........................................................ 1 r ...

  • Icom IC-M503 - page 44

    40 13 HM-134 CONNECTIONS AND INST ALLA TION w T o use the supplied cable as a wall socket, see the follow- ing steps. e Using the mounting base, carefully mark off the 2 spots where the cable and screws will be fastened. r Drill holes at these marks. t Install the mounting base using screws as shown below . y The installation is completed. Gasket C ...

  • Icom IC-M503 - page 45

    41 13 HM-134 CONNECTIONS AND INST ALLA TION 50 (d) mm; 1 31 ⁄ 32 ˝ 23 (d) mm; 29 ⁄ 32 ˝ 24 to 27 (d) mm ( 15 ⁄ 16 to 1 1 ⁄ 16 ˝ ) 5 mm; 3 ⁄ 16 ˝ Gasket Mounting base Cap Nut 2 mm; 3 ⁄ 32 ˝ 2 mm; 3 ⁄ 32 ˝ x 3 24 to 27 (d) mm ( 15 ⁄ 16 to 1 1 ⁄ 16 ˝ ) 01 IC-M503-(1).qxd 01.12.17 5:00 PM Page 41 (1,1) ...

  • Icom IC-M503 - page 46

    MB-75 TEMPLA TE 149 (5 7 ⁄ 8 ˝ ) 92 (3 5 ⁄ 8 ˝ ) 4 – R11 Unit: mm (inch) 24 to 27 (d) mm ( 15 ⁄ 16 to 1 1 ⁄ 16 ˝ ) 2 mm; 3 ⁄ 32 ˝ MB-75 HM-134 Cut here 01 IC-M503-(1).qxd 01.12.17 5:00 PM Page 43 (1,1) ...

  • Icom IC-M503 - page 47

    INST ALLA TION NOTES ■ Installation notes The installation of this equipment should be made in such a manner as to respect the EC recommended electromagnetic fi eld exposure limits (1999/519/EC). The maximum RF power available from this device is 25 watts. The antenna should be installed as high as possible for maximum ef fi ciency and that thi ...

  • Icom IC-M503 - page 48

    DECLARATION OF CONFORMITY We Icom Inc. Japan 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003 Japan Kind of equipment: VHF MARINE TRANSCEIVER This compliance is based on conformity with the following harmonised standards, specifications or documents: i) EN 301 025-1 V1.1.2 (2000-08) ii) EN 301 025-2 V1.1.1 (2000-08) iii) EN 301 025-3 V1.1.1 (2001-05) i ...

  • Icom IC-M503 - page 49

    < Intended Country of Use > GER AUT GBR IRL FRA NED BEL LUX ESP POR ITA GRE SWE DEN FIN SUI Count on us! 1-1-32 Kamiminami, Hirano-ku, Osaka 547-0003 Japan A-6097D-1EU- q Printed in Japan © 2001 Icom Inc. 01 IC-M503-(1).qxd 01.12.17 5:00 PM Page Z (1,1) ...

  • Icom IC-M503 - page 50

    10 CHANNEL LIST AA • International channels CH Frequency (MHz) CH Frequency (MHz) CH Frequency (MHz) CH Frequency (MHz) CH Frequency (MHz) CH Frequency (MHz) T ransmit Receive Transmit Receive T ransmit Receive Transmit Receive T ransmit Receive Transmit Receive 01 156.050 160.650 1 1 156.550 156.550 21 157.050 161.650 62 156.125 160.725 72 156.6 ...

Manufacturer Icom Category Marine Radio

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All of them are important, but the most important information from the point of view of use of the device are in the user manual Icom IC-M503.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Icom IC-M503, service manual, brief instructions and user manuals Icom IC-M503. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Icom IC-M503.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Icom IC-M503 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Icom IC-M503.

A complete Icom manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

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2. Contents - index of all tips concerning the Icom IC-M503, that we can find in the current document
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5. FAQ - Frequently Asked Questions
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