Icom M700 Mods !exclusive! Guide

Hold the and SQL buttons simultaneously and turn the radio ON .

is opening up the frequency range for transmit and receive outside of the stock marine bands. The stock radio is designed to work within specific marine HF channels.

To enable transmit on all covered frequencies (approximately 1.6 MHz to 23.999 MHz), check the Logic Board for jumper W37 (W1037) .

Some IC-M700 units have a feature where the front panel 10-key numeric keypad is disabled, requiring a special tool or complex procedure to change channels. icom m700 mods

The M700 relies on convection cooling. For contesting or FT8 (high duty cycle), it gets scorching hot.

This guide covers everything from unlocking the frequency bands to improving audio clarity and adding modern features like the CI-V computer control.

The factory AGC loop can feel sluggish when dealing with fast-fading ham radio signals. Locate the AGC capacitor on the IF unit. Hold the and SQL buttons simultaneously and turn

Modern operators often want to use the M700 for FT8, Winlink, or Pactor. Because the M700 lacks a modern "Data" port, custom cabling is required.

The Icom M700 was a tank. Built for the brutal salt spray of commercial shipping, its hefty chassis and reassuring click of the big rotary knobs promised a lifetime of reliable service. For most sailors, that was enough. For Eli, it was a starting point.

As a marine radio, the stock M700 is locked to the ITU maritime bands. It transmits only on frequencies between 1.6 MHz and 27.5 MHz in specific marine channels (with some gaps). It will not transmit on the 80m, 40m, 20m, or 17m amateur bands out of the box. You can listen to hams, but you cannot talk back. To enable transmit on all covered frequencies (approximately

Wire the fan to a thermal switch (normally open, closing at 50°C/122°F) attached to the heatsink.

Which do you have? (Standard M700, M700PRO, or M710?)