What to do if the connected battery is depleted in my Icom Transceiver?
- JJoseph HarrisSep 10, 2025
If the connected battery is depleted, recharge the battery pack.

What to do if the connected battery is depleted in my Icom Transceiver?
If the connected battery is depleted, recharge the battery pack.
How to unlock the channel on my Icom Transceiver?
If the displayed channel on your Icom Transceiver cannot be changed, the lock function may be activated. Push [H/L•LOCK] for 1 second to cancel the function.
How to unlock my Icom IC-M72?
If the lock function is activated on your Icom Transceiver, push [H/L•LOCK] for 1 second to cancel the function.
Why is there no sound coming from my Icom IC-M72 Transceiver speaker?
If your Icom Transceiver speaker isn't producing sound, there could be several reasons: * The squelch level might be set too high; try adjusting it to the threshold point. * The volume could be too low; rotate the [VOL] knob to increase it. * If the speaker has been exposed to water, press and hold both [16•9] and [H/L•LOCK] to drain it. * If water has entered the [SP MIC] connector, make sure to dry it thoroughly.
What to do if the “CHARGE” comment blinks on my Icom IC-M72?
If your Icom Transceiver displays a blinking “CHARGE” comment, it means the connected battery is depleted and needs to be recharged.
Why can't I transmit or select high power on my Icom IC-M72?
If you can't transmit or select high power on your Icom Transceiver, it could be due to several reasons: * You may be on a channel that only supports low power or receive-only; try changing channels. * The battery might be low; recharge it. * The battery could be overcharged; verify the voltage is correct. * The output power might be set to low; push [H/L•LOCK] to select high power.
How to turn on beep tones on Icom Transceiver?
If beep tones are turned OFF on your Icom Transceiver, set the beep tones to ON (Fix Beep/User Beep) in the SET mode.
How to fix low volume on my Icom Transceiver?
If the volume level is too low on your Icom Transceiver, rotate [VOL] to set a suitable level.
What to do if the speaker of my Icom IC-M72 has been exposed to water?
If the speaker of your Icom Transceiver has been exposed to water, push and hold both [16•9] and [H/L•LOCK] to drain water from the speaker.
What does a temperature self-check error mean on my Icom Transceiver?
If your Icom Transceiver shows a self-check error related to temperature, it means the temperature is outside the range of –35°C to +73°C (approximately –31°F to +163°F). Leave the transceiver at room temperature for a while, then turn the power ON to check if the internal temperature has returned to normal.
| Brand | Icom |
|---|---|
| Model | IC-M72 |
| Category | Transceiver |
| Language | English |
Discusses FCC RF exposure limits and compliance guidelines for human exposure.
Explains potential interference and areas to avoid radio operation.
Step-by-step guide for making a distress call on Channel 16.
Explains monitoring of distress and other channels.
Advises against connecting to AC, improper antenna use, and extreme temperatures.
Details on ship station and operator licenses needed for operation.
Details operation of volume, PTT, monitor, channel, and power/lock keys.
Details various indicators like Monitor, Dual/Tri-watch, VOX, Lock, Busy, etc.
How to select Channel 16 for distress and Channel 9 as a call channel.
Covers powering on, setting volume/squelch, selecting channels, and transmitting.
How to program call channels and activate the key lock function.
Explains priority scan and normal scan functionalities.
Procedure to enter SET mode and select items.
Warnings about misuse, handling, temperature, and disposal of batteries.
Guidelines for charging the battery pack safely and correctly.
Lists common issues like no power, no sound, and their solutions.