FOREWORD FEATURES Thank you for purchasing this Icom product. The IC-M3EURO Dual watch and tri-watch functions VHF MARINE TRANSCEIVER is designed and built with Icom’s Convenient functions which allow you to monitor the dis- superior technology and craftsmanship. With proper care this tress channel (ch 16) while receiving a channel of your product should provide you with years of trouble-free operation.
CAUTIONS IN CASE OF EMERGENCY RWARNING! NEVER connect the transceiver to an If your vessel requires assistance, contact other vessels and AC outlet. This may pose a fire hazard or result in an electric the Coast Guard by sending a distress call on channel 16. shock.
TABLE OF CONTENTS I Operation ..............9 FOREWORD ................ i IMPORTANT ................ i 5 SCAN OPERATION ..........10–11 EXPLICIT DEFINITIONS ............i I Scan types ..............10 FEATURES ................i I Setting tag channels ..........11 CAUTIONS ................ii I Starting a scan ............11 IN CASE OF EMERGENCY ..........
OPERATING RULES D Priorities OPERATOR’S LICENSE A restricted Radiotelephone Operator Permit is the license • Read all rules and regulations pertaining to priorities and most often held by small vessel radio operators when a radio keep an up-to-date copy handy. Safety and distress calls is not required for safety purposes.
PANEL DESCRIPTION I Front panel t SCAN/TAG SWITCH [SCAN • • Starts and stops normal or priority scan q DUALWATCH /TRI-WATCH SWITCH when tag channels are programmed. [DW• • Sets and clear the displayed channel as a • Starts dualwatch when pushed momentarily. tag (scanned) channel when pushed for 1 •...
PANEL DESCRIPTION I Top and side panels q PTT SWITCH [PTT] ï BATTERY CASE RELEASE BUTTON To remove the battery case: Push and hold to transmit; release to receive. Push and hold the battery release button downwards, then open the battery case as shown below. w VOLUME CONTROL To attach the battery case: Mate the notched ends of the transceiver and battery...
PANEL DESCRIPTION I Function display u SCAN INDICATOR (p. 11) Blinks while scanning. i DUALWATCH/TRI-WATCH INDICATORS BUSY CALL LOW BATT “DUAL” appears during dualwatch; “TRI” appears during SCAN tri-watch. (p. 9) DUAL TRI o DUPLEX INDICATOR Appears when a duplex channel is selected. !0 SET MODE INDICATOR Shows the set mode items.
D Channel 16 D International channels Channel 16 is the distress channel. It is used for There are 55 international channels for the IC-M3EURO. establishing initial contact with another station and for q Push [CH • emergency communications. Channel 16 is monitored ] to select a regular channel.
I Lock function I Adjusting the squelch level This function electronically locks all keys and switches to pre- The IC-M3EURO has a squelch vent accidental frequency changes and function access. even though there is no control knob for it. In order to receive Push [H/L •...
BASIC OPERATION I Receiving and transmitting IMPORTANT: To maximize the readability of your trans- mitted signal, pause a few sec. after pushing [PTT], hold the microphone 5 to 10 cm (2 to 4 inches) from your CAUTION: Transmitting without an antenna may mouth and speak at a normal voice level.
BASIC OPERATION I Call channel programming NOTE: For the UK and Italy versions, push [CH • ] for 1 sec. in advance to select the desired channel group The call channel switch is used to select a specified channel, (INT, U.S.A.) to be programmed. however, you can program your most often-used channels in I Automatic backlighting each channel group for quick recall.
DUALWATCH/TRI-WATCH I Description I Operation q Select the desired operating channel. Dualwatch monitors channel 16 while you are receiving an- w Push [DW • other channel; tri-watch monitors channel 16 and the call ] momentarily to start dualwatch; push [DW channel while receiving another channel.
SCAN OPERATION I Scan types Scanning is an efficient way to locate signals quickly over a Set the tag channels (channels to be scanned) before scan- wide frequency range. The transceiver has a priority scan and ning. Clear the tag channels which inconveniently stop scan- a normal scan.
SCAN OPERATION I Setting tag channels I Starting a scan For more efficient scanning, add desired channels as tag Set scan type, and scan resume timer in advance using SET channels or clear tag channels for unwanted channels. Chan- mode. (p. 13) nels set as non-tag channels will be skipped during scanning.
SET MODE I SET mode programming I SET mode items D Beep tone SET mode is used to change the conditions of 5 transceiver “bP” functions: the beep tone function, the automatic backlighting, You can select silent operation by turning beep tones OFF or normal/priority scan, scan resume timer and power save func- you can have confirmation beeps sound at the push of a tion.
SET MODE D Scan type selection “SC” D Auto power save function “PS” The transceiver has 2 scan types: normal scan and priority The power save function reduces current drain by deactivat- scan. Normal scan searches all tag channels in the selected ing the receiver circuit for preset intervals.
BATTERY CHARGING I Installing batteries in the bat- I Battery charging tery case Prior to using the transceiver for the first time, the Ni-Cd bat- teries must be fully charged for optimum life and operation. When using a battery case attached to the transceiver, install 6 AA(R6) size Ni-Cd or alkaline batteries as illustrated below.
BATTERY CHARGING I Battery cautions ï Charging connections q Install 6 AA(R6) size Ni-Cd batteries into the battery case. NEVER incinerate used Ni-Cd batteries. Internal battery gas w Turn the battery selector switch to the Ni-Cd position. may cause an explosion. e Connect the AC adapter (BC-131A, BC-110D) or optional cable (CP-12L or OPC-254L) as shown below.
SUPPLIED ACCESSORIES AND ATTACHMENT Supplied accessories Flexible antenna The following accessories are supplied: Connect the supplied flexible Qty. antenna to the antenna connec- q Flexible antenna ......1 tor.
TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION REF. • The battery is exhausted. • Recharge the battery pack. No power comes ON. p. 15 • Bad connection to the battery pack. • Check the conection to the transceiver. p. 3 • Squelch level is too deep. •...
SPECIFICATIONS AND OPTIONS I Specifications Sensitivity (20 dB SINAD) : 1.0 µV typical Squelch sensitivity : Adjustable up to 23 dB • GENERAL SINAD Frequency coverage : Transmit 156–157.5 MHz Intermodulation rejection ratio : More than 68 dB Receive 156–163 MHz Spurious response rejection ratio : More than 70 dB Mode...
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