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INSTRUCTION MANUAL
VHF MARINE TRANSCEIVER
iM90
This device complies with Part 15 of the FCC
Rules. Operation is subject to the condition that
this device does not cause harmful interference.
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SAFETY TRAINING INFORMATION Your Icom radio generates RF electromagnetic energy during • DO NOT operate the radio without a proper antenna attached, as this may transmit mode. damaged the radio and may to exceed FCC RF exposure limits. A proper antenna is the antenna supplied with this radio by the manufacturer or an This radio has been evaluated for compliance at the distance antenna specifically authorized by the manufacturer for use with this radio. of 2.5 cm with the FCC RF exposure limits fo
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MIC /SP IN CASE OF EMERGENCY RECOMMENDATION If your vessel requires assistance, contact other vessels and CLEAN THE TRANSCEIVER THOROUGHLY WITH FRESH the Coast Guard by sending a distress call on Channel 16. WATER after exposure to saltwater, and dry it before opera- tion. Otherwise, the transceiver’s keys, switches and con- trollers may become inoperable due to salt crystallization. ❍ USING CHANNEL 16 DISTRESS CALL PROCEDURE 1. “MAYDAY MAYDAY MAYDAY.” 2. “THIS IS ...........................”
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FOREWORD FEATURES Thank you for purchasing this Icom radio. The IC-M90 VHF MA- Waterproof construction RINE TRANSCEIVER is designed and built with Icom’s state of Built tough to withstand the punishing marine environ- the art technology and craftsmanship. With proper care this ment, the IC-M90 meets JIS waterproof specification product should provide you with years of trouble-free operation. grade 7 while using BP-223 (option) or BP-225. In addition to, the speaker grill adopts a new structure
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PRECAUTION RWARNING! NEVER connect the transceiver to an MAKE SURE the flexible antenna and battery pack are AC outlet. This may pose a fire hazard or result in an electric securely attached to the transceiver, and that the antenna and shock. battery pack are dry before attachment. Exposing the inside of the transceiver to water will result in serious damage to the RWARNING! NEVER hold the transceiver so that the transceiver. antenna is closer than 2.5 cm (1 inch) from exposed parts of the body, e
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TABLE OF CONTENTS SAFETY TRAINING INFORMATION ............................................... i Starting a scan ...................................................................... 13 IN CASE OF EMERGENCY ........................................................... ii 6 DUALWATCH/TRI-WATCH ...................................................... 14 RECOMMENDATION ...................................................................... ii Description .............................................
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OPERATING RULES 1 (2) OPERATOR’S LICENSE D Priorities 1 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. take priority over all others. The Restricted Radiotelephone Operator Permit must be • You must monitor Channel 16 when you are not operating posted near the transceive
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SUPPLIED ACCESSORIES AND ATTACHMENTS 2 Supplied accessories The following accessories are supplied: Qty. D Handstrap • Handstrap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Pass the handstrap through the • Belt clip (MB-103) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 loop on the top of the transceiver • Ni-Cd battery pack (BP-225) . . . . . . . . . . . . . . . . . . . . . . 1 as illustrated at right. Facilitates • Battery charger (BC-158) .
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2 SUPPLIED ACCESSORIES AND ATTACHMENTS ï Battery pack To remove the battery pack: NOTE: When removing or attaching the battery pack, use 2 Turn the screw counterclockwise, then pull the battery pack a coin or flat-blade screwdriver to loosen or tighten the bot- in the direction of the arrow as shown below. tom screw. CAUTION!: To attach the battery pack: When attaching or removing a battery pack, make sure the Insert the battery pack in the IC-M90 completely, then turn the rubber seal is set in t
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1 0 PANEL DESCRIPTION 3 Front, top and side panels q VOLUME CONTROL [VOL] Turns power ON and adjusts the audio level. w e w MICROPHONE CONNECTOR [SP MIC] q Connects the optional external microphone. NOTE: Attach the [SP MIC] cap when the optional r speaker-microphone is not used. e ANTENNA CONNECTOR Connects the supplied antenna. ! r TRANSMIT/RECEIVE INDICATOR Lights green while receiving a signal or when the squelch is open; lights red while transmitting. ! t CHANNEL/WEATHER CHANNEL SWITCH [C
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0 1 2 3 4 8 7 6 5 0 1 3 PANEL DESCRIPTION u TRANSMIT POWER/LOCK SWITCH [Hi/Lo• ] Function display 3 • Selects high, middle or low power when pushed. (p. 9) • Toggles the lock function ON/OFF when pushed for q w e r t y 1 sec. (p. 10) i CHANNEL 16 SWITCH [16•9] u • Selects Channel 16 when pushed. (p. 7) i • Selects call channel when pushed for 1 sec. (p. 7) o • Enters call channel write mode when the call channel is ! ! selected and this switch is pushed for 3 sec. (p. 10) ! Y Y Z Z o CHANNEL U
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2 3 4 5 6 7 8 0 1 3 PANEL DESCRIPTION t MONITOR INDICATOR (p. 10) ! SCRAMBLER INDICATOR Appears when the monitor function is activated. Appears when the optional voice scrambler is activated. y BATTERY INDICATOR (pgs. 11, 20) Indicates remaining battery power. ! DUPLEX INDICATOR Appears when a duplex channel is selected. Indication ! SUB CHANNEL READOUT Charging Battery level Full Middle No battery • Indicates Channel 16 during priority scan or dualwatch. required (p. 14) blinks when the battery
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BASIC OPERATION 4 Channel selection IMPORTANT!: Prior to using the transceiver for the first D Channel 9 (Call channel) time, the battery pack must be fully charged for optimum Channel 9 is the leisure-use call channel. Each regular 3 life and operation. To avoid damage to the transceiver, turn channel group has separate call channels. In addition, the call 4 the power OFF while charging. channel is monitored during tri-watch. The call channels can be re-programmed (p. 10) and may be used to s
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4 BASIC OPERATION D U.S.A., International and Canadian channels D Weather channels The IC-M90 has 57 U.S.A., 57 International and 61 Canadian The IC-M90 has 10 weather channels. They are used for channels. You must select the proper channels for the oper- monitoring NOAA (National Oceanographic and Atmospheric ating area. Administration) broadcasts (reception of weather channels possible in U.S.A. only). q Push [CH/WX•U/I/C/L] to select the regular channel. • If the weather channel appears, push
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4 BASIC OPERATION Receiving and transmitting IMPORTANT: To maximize the readability of your trans- CAUTION: Transmitting without an antenna may mitted signal, pause a few sec. after pushing [PTT], hold damage the transceiver. the microphone 5 to 10 cm (2 to 4 inches) from your mouth 4 and speak into the microphone at a normal voice level. q Rotate [VOL] clockwise to turn power ON. NOTE: The transceiver has a power save function to con- w UseSet the volume and squelch level. serve the battery p
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4 BASIC OPERATION Call channel programming Lock function This function electronically locks all switches (except for The call channel switch is used to select Channel 9 by de- [PTT], [SQL•MONI] and [Hi/Lo• ]) to prevent accidental fault, however, you can program your most often-used chan- channel changes and function access. nel in each channel group for quick recall. ➥ Push [Hi/Lo• ] for 1 sec. to turn the lock function ON and OFF. q Push [CH/WX•U/I/C/L] for 1 sec. to several times to selec
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4 BASIC OPERATION Adjusting the squelch level Voice scrambler operation To adjust the IC-M90’s squelch level, use the [Y]/[Z] keys as D Activating the scrambler desired below. In order to receive signals properly, as well as The voice scrambler provides private communications. In for the scan to function effectively, the squelch must be adjusted order to receive or send scrambled transmissions, you must to the proper level. activate the scrambler function first. 4 qSelect an operating q Push
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SCAN OPERATION 5 Scan types Scanning is an efficient way to quickly locate signals over a Set the tag channels (scanned channel) before scanning. wide frequency range. The transceiver has a priority scan set- Clear those tag channels which are not needed or inconve- ting and normal scan setting. niently stop scanning, such as digital communications. In addition, the “Weather alert” and “Auto scan” functions are Choose priority or normal scan on the SET mode. (p. 17) available for scanning. Thes
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5 SCAN OPERATION Setting tag channels Starting a scan For more efficient scanning, add desired channels as tag Set the weather alert function, priority scan function, scan re- channels or clear the tag for unwanted channels. sume timer and auto scan function in advance, using the SET Non-tag channels will be skipped during scanning. mode. (pgs. 17, 18) q Select the desired channel to set as a tag channel. q Select the desired channel group (USA, CAN, INT) by 5 w Push both [Y] and [Z] for 1 s
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DUALWATCH/TRI-WATCH 6 Description Operation Dualwatch monitors Channel 16 while you are receiving q Select the desired operating channel. another channel; tri-watch monitors Channel 16 and the call w Push [SCAN•DUAL] for 1 sec. to start dualwatch or tri-watch channel while receiving another channel. (depending on the SET mode setting). •“DUAL” blinks during dualwatch; “TRI” blinks during tri-watch. • A beep tone sounds when a signal is received on Channel 16. DUALWATCH/TRI-WATCH SIMULATION •
