1. Inleiding
The Icom IC-M88 is a robust handheld VHF marine radio designed for reliable communication in demanding marine environments. This manual provides essential information for the proper setup, operation, and maintenance of your IC-M88 radio, ensuring optimal performance and longevity.
Key features include a waterproof housing, comprehensive channel access for marine and land mobile use, and versatile operating modes.
2. Inhoud van het pakket
Controleer of de volgende items in uw productpakket zitten:
- IC-M88 Radio Unit
- Lithium-ionbatterijpak
- Insteeklader
- AC-adapter
- Draaibare riemclip
- Handriem
- Antenne
- Gebruikershandleiding
3. Product voorbijview

Voorkant view of the Icom IC-M88 Handheld VHF Marine Radio, showing the display, speaker grille, and control buttons. The display shows 'WATERPROOF', 'TAG', '16', and 'IC-M88'. Buttons include 'TAG', 'U/I/C/L', 'CH/WX', 'DUAL', 'SCN', '16', 'H/L', and up/down arrows.
The IC-M88 features an intuitive layout for ease of use. Key components include:
- Aan/uit-/volumeknop: Bovenaan bevindt zich de knop waarmee u de radio aan/uit kunt zetten en het geluidsvolume kunt aanpassen.
- Antenne-aansluiting: For attaching the supplied antenna.
- LCD-scherm: Backlit for visibility, shows channel number, status indicators (e.g., waterproof, tag, battery level).
- Luidspreker/Microfoon: Integrated into the front panel.
- Bedieningsknoppen: Including channel up/down, dedicated Channel 16, CH/WX (Weather Channel), SCN (Scan), DUAL (Dual/Tri-Watch), H/L (High/Low Power), TAG, and LOCK.
4. Instellen
4.1 Batterij opladen
Before first use, fully charge the supplied lithium-ion battery pack. Connect the AC adapter to the drop-in charger, then place the radio with the battery pack into the charger. The charging indicator will illuminate. A full charge typically takes several hours and provides up to 15 hours of talk time.
4.2 Antennebevestiging
Carefully screw the antenna onto the connector at the top of the radio until it is finger-tight. Do not overtighten, as this can damage the connector.
4.3 Bevestiging met riemclip
Attach the swivel belt clip to the designated slot on the back of the radio or battery pack. Ensure it clicks securely into place to prevent accidental detachment during use. Periodically check the security of the clip.
5. Gebruiksaanwijzing
5.1 Aan/uit en volumeregeling
To power on the radio, rotate the top-mounted knob clockwise. Continue rotating to adjust the audio volume. To power off, rotate the knob counter-clockwise until it clicks.
5.2 Kanaalselectie
Gebruik de Up En Omlaag arrow buttons to change channels. The IC-M88 supports various channel groups:
- US Channels: For use in United States waters.
- Internationale kanalen: For use in international waters.
- Canadian Channels: For use in Canadian waters.
- Land Mobile Channels: 22 free channels (146 to 174 MHz) for commercial use (requires FCC license).
Druk op de U/I/C/L button to cycle through these channel groups.
5.3 Transmit Power Level
Druk op de H / L button to toggle between High (5W) and Low (1W) transmit power. Use low power for short-range communication to conserve battery life and reduce interference. High power is for maximum range.
5.4 Scanfuncties
The IC-M88 offers multiple scanning functions to monitor channels:
- Tag Scannen: Scans channels that have been marked as 'tag' channels. Use the TAG button to mark or unmark channels for scanning.
- Priority Scan: Monitors selected tag channels while also continuously checking Channel 16 for distress calls.
- Auto Scan: Automatically initiates scanning when no signal is detected on the current channel.
Druk op de SCN button to initiate or stop scanning.
5.5 Dual Watch and Tri-Watch
These functions allow you to monitor multiple channels simultaneously:
- Dubbel horloge: Monitors a selected working channel and Channel 16.
- Tri-Watch: Monitors two selected working channels and Channel 16.
Druk op de DUBBEL button to activate these modes. These functions are crucial for ensuring you do not miss important emergency calls while engaged in other communications.
5.6 Weather Channels and Alerts
Druk op de CH/WX button to access NOAA weather channels. The radio can also provide weather alerts, automatically switching to the appropriate weather channel when a storm warning or other alert is broadcast.
5.7 Instant Access to Channels 16 and 9
The IC-M88 features dedicated buttons for instant access to critical channels:
- Druk op de 16 button for immediate access to Channel 16 (distress and calling channel).
- Druk op de 9 button (often combined with Channel 16 button) for instant access to Channel 9 (non-commercial calling channel).
5.8 Toetsvergrendelingsfunctie
Druk op de SLOT button to prevent accidental changes to settings or channels. Press it again to unlock the keypad.
5.9 Batterijbesparingsfunctie
The radio includes a battery save function to extend operating time. While beneficial for battery longevity, some users have reported that enabling this feature may occasionally lead to missed calls. If you experience missed communications, consider disabling this function in the radio's settings.
5.10 Self-Check Function
The IC-M88 features a self-check function that monitors internal temperature, connected battery voltage, and water intrusion. Consult the comprehensive user manual for detailed instructions on accessing and interpreting the results of the self-check function.
6. Onderhoud
6.1 Reinigen
Maak de radio regelmatig schoon met een zachte, damp cloth. Ensure all caps and covers, especially for external ports, are securely closed to maintain its waterproof integrity. Do not use harsh chemicals, abrasive cleaners, or solvents, as these can damage the radio's finish and seals.
6.2 Batterijonderhoud
To maximize the lifespan of your lithium-ion battery, avoid fully discharging it frequently. Recharge the battery before it is completely depleted. When storing the radio for extended periods, ensure the battery is partially charged (around 50%) and store it in a cool, dry place away from direct sunlight.
7. Probleemoplossing
This section addresses common issues you might encounter with your IC-M88 radio.
- De radio gaat niet aan: Ensure the battery pack is fully charged and correctly installed. Verify that the power/volume knob is rotated clockwise past the 'off' position.
- Missing calls or poor reception: Check that you are on the correct channel and within range of the transmitting station. Ensure the antenna is securely attached. If the battery save function is enabled, consider disabling it as it may occasionally affect reception sensitivity.
- Poor transmission range: Confirm the transmit power is set to High (5W) using the H/L button. Ensure the antenna is properly connected and undamaged. Obstructions or environmental factors can significantly affect range.
- Battery detaching from belt clip: Ensure the belt clip is securely latched to the radio or battery pack. If repeated detachment occurs, some users have found success by applying a small amount of silicone rubber to the battery latch switch to increase friction, ensuring it can still be removed for battery replacement or service.
- Water intrusion warning: If the self-check function indicates water intrusion, immediately power off the radio and consult a qualified service technician.
8. Specificaties
| Functie | Specificatie |
|---|---|
| Modelnummer | M88 |
| Productafmetingen (B x H x D) | 2.44 x 3.81 x 1.53 inch (ongeveer 1.5 x 2.4 x 3.8 inch) |
| Artikelgewicht | 2 pond |
| Waterbestendigheidsniveau | Waterproof (JIS7 submersible) |
| Aantal kanalen | 57 U.S., 61 Canadian, 57 International, 10 NOAA Weather, 22 Land Mobile |
| Frequentiebereik | 156-174 MHz |
| Zendvermogen | 5W / 3W / 1W selectable |
| Batterijtype | Lithium-ion |
| Deeltage | 3.7 Volt |
| Fabrikant | ICOM |
| Datum eerste beschikbaarheid | 1 juli 2003 |
9. Garantie en ondersteuning
The Icom IC-M88 Handheld VHF Marine Radio is backed by a three-year warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For technical support, service, or detailed operational questions not covered in this manual, please refer to the comprehensive user manual included with your product or visit the official ICOM webVoor meer informatie en hulp kunt u terecht op de website.





