INSTRUCTION MANUAL VHF MARINE TRANSCEIVER iM88 This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that this device does not cause harmful interference.
FEATURES Thank you for choosing this Icom product. This product is designed and built with Icom’s state of the art technology and craftsmanship. With proper care, this product ☞ 22 free channels for land use should provide you with years of trouble-free operation.
RECOMMENDATION IN CASE OF EMERGENCY If your vessel requires assistance, contact other vessels and the CLEAN THE TRANSCEIVER THOROUGHLY WITH FRESH Coast Guard by sending a distress call on Channel 16. WATER after exposure to saltwater, and dry it before operat- ing.
This radio has been tested and complies with the FCC and IC RF exposure transmitting when the transmit icon is displayed. You can cause the radio limits for “Occupational Use Only”. In addition, your Icom radio complies with to transmit by pressing the “PTT” switch.
After exposure to water, clean the battery contacts thor- tery packs with Icom transceivers or Icom chargers. Only Icom battery packs are tested and approved for use with Icom oughly with fresh water and dry them completely to remove any water or salt residue.
FCC regulations. necting or disconnecting the supplied or optional accessory. Icom is not responsible for the destruction or damage to the Icom transceiver, if the malfunction is because of: • Force majeure, including, but not limited to, fires, earth- quakes, storms, floods, lightning, other natural disasters, disturbances, riots, war, or radioactive contamination.
TABLE OF CONTENTS IMPORTANT ................i 4 BASIC OPERATION ..........8–12 EXPLICIT DEFINITIONS ............i ■ Selecting a Channel .............8 D Channel 16 ...............8 FEATURES ................i D Channel 9 (Call channel) .........8 RECOMMENDATION ............ii D USA, International and Canadian channels .....9 IN CASE OF EMERGENCY ..........
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TABLE OF CONTENTS (Continued) SET MODE ..............17–21 ■ Optional battery chargers ...........26 D AD-100 installation ..........26 ■ Set mode programming ..........17 D Set mode operation ..........17 D Rapid charging with the BC-119N+AD-100 ...26 D Rapid charging with the BC-121N+AD-100 ...27 ■...
NOTE: Even though the IC-M88 is capable of operation on VHF marine channels 3, 21, 23, 61, 64, 81, 82 and 83, ac- cording to FCC regulations these simplex channels cannot...
SUPPLIED ACCESSORIES AND ATTACHMENTS ■ Supplied accessories w Clip the belt clip to a part of your belt and insert the stop- per to the belt clip. The following accessories are supplied: Qty. • Swivel belt clip ..............1 • Stopper for the swivel belt clip........... 1 •...
SUPPLIED ACCESSORIES AND ATTACHMENTS To remove: D Flexible antenna Turn the transceiver upside down, and then lift up to release Connect the supplied flexible antenna the transceiver from the belt clip. to the antenna connector. CAUTION: • NEVER carry the transceiver by holding only the antenna.
PANEL DESCRIPTION ■ Front, top and side panels q VOLUME CONTROL [VOL] Push to turn ON the power and adjusts the audio level. w ANTENNA CONNECTOR (p. 3) Connects the supplied antenna. e SPEAKER-MICROPHONE CONNECTOR [SP MIC] (p. 29) Connects the optional speaker-microphone. [SP MIC] jack cover NOTE: KEEP the [SP MIC] jack cover attached to the transceiver when the...
PANEL DESCRIPTION D Battery pack release button u CHANNEL UP/DOWN KEYS [Y]/[Z] • Push to select an operating channel. (p. 9) To remove the battery pack: • Push to select the Set mode item option. (p. 17) Push the battery release button in the direction of the arrow •...
PANEL DESCRIPTION ■ Function display q TRANSMIT ICON (p. 10) Displayed while transmitting. w BUSY ICON (p. 10) • Displayed when receiving a signal or when the squelch opens. • Blinks while monitoring. e TAG CHANNEL ICON (p. 14) Displayed when a Tag channel is selected. r SCAN ICON (p.
PANEL DESCRIPTION i WEATHER CHANNEL/WEATHER ALERT ICONS !4 CALL CHANNEL ICON (p. 8) • “WX” is displayed when the Weather channel group is Displayed when the Call channel is selected. selected. (p. 9) • “ALT” is displayed while the Weather Alert function is ac- !5 CHANNEL GROUP ICON (pp.
BASIC OPERATION ■ Selecting a Channel D Channel 9 (Call channel) IMPORTANT: Prior to using the transceiver for the first Channel 9 is the leisure-use Call channel. Each regular chan- time, the battery pack must be fully charged for optimum nel group has separate Call channels.
Push lected. See “LAND CHANNEL OPERATION” on page 16 for de- tails. For your convenience: The IC-M88 can detect a Weather Hold down alert tone on the selected Weather channel while receiving on another channel or during a scan. See the “Set mode...
For USA version: To prevent accidental prolonged trans- e Hold down [SQL] for 1 second (see “Set mode” on page mission, the IC-M88 has a time-out timer function. This 19), and rotate volume to set the volume level. timer cuts the transmission OFF after 5 minutes of contin- r Push [Y] or [Z] to select a channel.
■ Adjusting the squelch level ■ Lock function The IC-M88 has a squelch circuitry. In order to receive the sig- This function electronically locks all keys (except for [PTT], nals properly, as well as for the efficient scan, the squelch must [SQL] and [H/L•...
BASIC OPERATION ■ Setting the Call channel t Push [16• ] to program the dis- The Call channel key is used to select Channel 9 by default, played channel as the Call chan- however, you can set your most often-used channels in each nel.
SCAN OPERATION ■ Scan types Set the Tag channels (scanned channel) before scanning. Scanning is an efficient way to locate signals quickly over a Clear the Tag channels that inconveniently stop scanning, wide frequency range. The transceiver has a Priority scan such as digital communications.
SCAN OPERATION ■ Setting Tag channels ■ Starting a scan For more efficient scanning, add desired channels as Tag First set the Weather Alert function, Priority Scan function, channels or clear unwanted channels as Tag channels. Non- Scan Resume timer, and Auto Scan function in the Set mode. Tag channels are skipped during scanning.
DUALWATCH and TRI-WATCH ■ About Dualwatch and ■ Operation Tri-watch q Select the desired operating channel. w Hold down [SCN• ] for 1 second to start Dualwatch or DUAL Dualwatch monitors Channel 16 while receiving another Tri-watch (depending on Set mode setting). channel.
CAN channel groups can be programmed. The default setting of the LAND channel group is the same as that of the INT channel group. Ask your local Icom dealer for the LAND channel group setting and LMR frequency pro- gramming details.
SET MODE ■ Set mode programming D Set mode operation The Set mode is used to change the condition of 13 trans- q Turn OFF the power. ceiver functions: Beep Tone function, Weather Alert function, w While holding down [SQL], turn ON the power to enter the Priority Scan function, Scan Resume timer, Auto Scan func- Set mode.
SET MODE ■ Set mode items D Priority Scan function “Pr” D Beep Tone function “bP” The transceiver has 2 scan types— Normal and Priority You can select silent operation by turning OFF the beep scans. tones, or you can have 2 types of confirmation beeps sound A Normal scan searches all Tag channels in the selected at the push of a key.
SET MODE D Auto Scan function “AS” D Monitor Key Action “Sq” The Auto Scan function automatically starts the desired scan The Monitor Key Action temporarily cuts off the squelch func- when no signal is received, or no operation is performed for tion.
SET MODE D LCD Contrast “LC” D Self Check function “SC” You can select the LCD contrast from 4 levels. The Self Check function checks transceiver conditions by it- self, and informs you in case a problem is found. The follow- •...
SET MODE D Battery Voltage indicator “bt” SET MODE LIST Select whether or not to display the connected battery pack's Function Indication Options voltage at power ON. • The battery pack's voltage is displayed for 2 seconds at power ON. "bP"...
High temperature buildup in the battery pack, such as could deformed. If any of these conditions occur, contact your Icom occur near fires or stoves, inside a sun-heated vehicle, or in dealer or distributor.
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BATTERY CHARGING CAUTION: Always use the battery within the specified If the battery pack must be left unused for a long time, it must temperature range for the transceiver and the battery itself be detached from the transceiver after discharging. You may as shown below.
In that case, Icom recommends charging the battery at +20°C (+68˚F). The contact your near Icom Dealer or Service Center. battery may heat up or rupture if charged out of the specified temperature range.
BATTERY CHARGING Transceiver NOTE: Optional OPC-515L* (for power source) or CP-23L Turn OFF the power (for 12 V cigarette lighter socket) can be used instead of Battery pack Ensure sides of the the power adapter. battery pack are * About OPC-515L correctly aligned White line:...
BATTERY CHARGING ■ Optional battery chargers D AD-100 installation D Rapid charging with the BC-119N+AD-100 The AD-100 must be installed into the BC- charger adapter The optional BC-119N provides rapid charging of battery 119N or BC-121N before battery charging. packs. Connect the AD-100 charger adapter and the BC-119N/BC- The following items are additionally required.
BATTERY CHARGING D Rapid charging with the BC-121N+AD-100 IMPORTANT: Battery charging caution The optional BC-121N can simultaneously charge up to 6 Ensure the guide tabs on the battery pack are correctly battery packs. aligned with the guide rails inside the charger adapter. The following items are additionally required.
BATTERY CASE ■ BP-226 optional battery case Latch Fig.1 BP-226 When using the optional battery case attached to the trans- ceiver, install 5 × AA (LR6) size alkaline batteries as il- lustrated at right. The BP-226 is constructed to the IPX4 waterproof standard (IEC 60529, 2001).
SPEAKER-MICROPHONE ■ HM-138 Description ■ Attachments Insert the connector of the speaker-microphone into the [SP MIC] connector on the transceiver and tighten the screw. Alligator type clip To attach the speaker-mic. to your shirt or collar, etc. Detaching: Unscrew (q), then detach the PTT switch jack cover (w).
TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION. REF. The transceiver does • The battery is exhausted. • Recharge the battery pack. p. 22 not turn ON. • Bad battery connection. • Remove and reattach the battery. p. 5 No sound from speaker. • Squelch level is too deep. •...
VHF MARINE CHANNEL LIST Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) Channel number Frequency (MHz) CAN Transmit Receive CAN Transmit Receive CAN Transmit Receive CAN Transmit Receive 156.050 160.650 157.275 161.875 19A 156.950 156.950 156.325 160.925 20 * 157.000 161.600 66A * 156.050 156.050...
SPECIFICATIONS D GENERAL D TRANSMITTER • Frequency coverage • Output power (at 7.2 V DC): 5 W (Hi), 3 W (Mid) and 1 W (Low) 156.025 ~ 157.425 MHz Marine • Modulation system: Variable reactance frequency modulation 156.050 ~ 163.275 MHz •...
QUICK REFERENCE Important operating instructions are summed up in this Quick Guide for your simple reference. By cutting along the line and folding on the dotted line, it will become a card sized operating guide which can easily be carried in a card case or wallet. q Cut w Fold e Complete...
OPTIONS D BATTERY PACKS/CASE D DC CABLES • BP-226 • CP-23L battery case cigarette lighter cable Battery case for 5 × AA (R6) alkaline cells. Enables charging of the battery pack through a 12 V ciga- rette lighter socket. For use with the BC-119N/BC-152 •...
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