Icom IC-M400BB User Manual (English)

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Questions and Answers:

R
Robert BensonJul 26, 2025
Why is there little or no sound coming from the Icom Transceiver speaker?
- J
  Joseph GregoryJul 26, 2025
  If you're experiencing little to no sound from your Icom Transceiver's speaker, there are a few potential causes. First, the squelch level might be set too high; try adjusting it to the threshold point. Second, the volume level could be too low; increase it to a suitable level. Finally, if the speaker has been exposed to water, use the AquaQuake function to remove it.
A
Angela BarnettJul 31, 2025
How to fix Icom Transceiver that does not turn on?
- W
  wendymasonJul 31, 2025
  If your Icom Transceiver isn't turning on, the most likely cause is a bad connection to the power supply. Check the connection to both the transceiver and the power supply to ensure they are properly connected.
M
melissalynchAug 5, 2025
What to do if Icom Transceiver transmitting is impossible or high power cannot be selected?
- J
  Joshua HarrisAug 5, 2025
  If you cannot transmit or select high power on your Icom Transceiver, it could be due to a couple of reasons. Some channels might be programmed for low power or receive only due to regulations, so try changing to a different channel. Alternatively, the output power might be set to low; push the [HI/LO] button to select high power.
V
vyoungAug 10, 2025
How to turn on beep sounds on Icom Transceiver?
- M
  Megan RamirezAug 10, 2025
  If your Icom Transceiver is not producing any beep sounds, it's likely that the beep tones are turned OFF. You can turn them ON in the CONFIGURATION menu.
S
Stefanie TurnerAug 15, 2025
Why scan does not start on Icom Transceiver?
- A
  Alex BurkeAug 15, 2025
  If the scan function on your Icom Transceiver does not start, it could be because no favorite channels are programmed. Set the channels you want to scan as Favorite channels in the settings.
S
smithrandyAug 20, 2025
What to do if distress calls cannot be transmitted on Icom Transceiver?
- K
  Kimberly LinAug 20, 2025
  If distress calls cannot be transmitted on your Icom Transceiver, it is likely because the MMSI (DSC self ID) code is not programmed. Program the MMSI (DSC self ID) code in the settings.

Icom IC-M400BB Specifications

General

Waterproof Rating	IPX7
Battery Voltage	13.8 V DC
Type	Marine VHF Radio
Power Output	25W (High), 1W (Low)
Channels	55
NMEA Interface	NMEA 0183
Operating Temperature Range	-15°C to +55°C

Icom IC-M400BB Service Manual

Table of Contents

Other manuals for Icom IC-M400BB

Questions and Answers:

Icom IC-M400BB Specifications