Icom IC-M71 User Manual (English)

Questions and Answers:

D
Denise GonzalezSep 5, 2025
Why Icom Transceiver transmitting is impossible, or high power can not be selected?
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  stevenrasmussenSep 5, 2025
  If your Icom Transceiver is unable to transmit or high power cannot be selected, it could be due to the following reasons: * Some channels are set for low power or receive only. Try changing channels. * The battery is exhausted. Recharge the battery pack. * The battery is overcharged. Verify the battery voltage is correct. * The output power is set to low. Push [H/L•LOCK] to select high power.
T
todd03Aug 25, 2025
How to unlock Icom Transceiver channel?
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  markvelazquezAug 25, 2025
  If the displayed channel on your Icom Transceiver cannot be changed, it's likely that the lock function is activated. To cancel this function, push [H/L•LOCK] for 1 second.
K
Kristen GarciaAug 25, 2025
How to fix Icom IC-M71 Transceiver that does not turn on?
- B
  Barbara GillespieAug 26, 2025
  If your Icom Transceiver isn't turning on, the battery might be depleted. Try recharging the battery pack. Also, check the connection to the transceiver to ensure it's properly connected.
J
Jeffery AvilaAug 26, 2025
What to do if there is no sound from the Icom Transceiver speaker?
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  jill14Aug 27, 2025
  If you're not getting any sound from your Icom Transceiver's speaker, here are a few things to check: * The squelch level might be too tight. Try setting the squelch to the threshold point. * The volume level could be too low. Rotate [VOL] to adjust it to a suitable level. * If the speaker has been exposed to water, push and hold both [16•C] and [H/L•LOCK] to drain the water. * If water has entered the [SP MIC] connector, dry the connector.
R
Randall BrewerAug 27, 2025
Why Icom IC-M71 Transceiver transmitting is impossible?
- J
  Justin RobbinsAug 27, 2025
  If you're unable to transmit or select high power on your Icom Transceiver, it could be due to several reasons: 1. Some channels are set for low power or receive only, so try changing channels. 2. The battery may be exhausted; recharge the battery pack. 3. Verify the battery voltage is correct in case the battery is overcharged. 4. The output power might be set to low; push [H/L•LOCK] to select high power.
S
Stephanie Allen DVMAug 28, 2025
Why does the “CHARGE” comment blink on my Icom IC-M71?
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  john81Aug 28, 2025
  If the “CHARGE” comment is blinking on your Icom Transceiver, it means the connected battery is depleted. You should recharge the battery pack.
A
April DixonSep 10, 2025
What to do if Icom Transceiver self check error shows temperature?
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  Kevin NelsonSep 10, 2025
  If your Icom Transceiver displays a self-check error related to temperature, it indicates that the temperature is outside of –35°C to +73°C (approx.). Leave the transceiver at room temperature for a while and then turn the power ON to check if the internal temperature has returned to normal.
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Ryan CampbellSep 6, 2025
What to do if Icom Transceiver is transmitting continuously when not speaking when using VOX function?
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  Angela StevensSep 7, 2025
  If your Icom Transceiver is transmitting continuously while not speaking when using the VOX function, it could be due to: * Ambient noise being too loud. Deactivate the VOX function by pushing [ ] and [H/L•LOCK]. * Set the VOX gain to a lower sensitive value.
T
Theresa DonovanSep 4, 2025
What to do if Icom Transceiver has no sound from the speaker?
- Y
  ythomasSep 4, 2025
  If there is no sound from the Icom Transceiver's speaker, there could be several reasons: * The squelch level might be too tight. Try setting the squelch to the threshold point. * The volume level might be too low. Rotate the [VOL] knob to set a suitable level. * The speaker may have been exposed to water. Push and hold both [16•C] and [H/L•LOCK] to drain water from the speaker. * Water may have entered the [SP MIC] connector. Ensure you dry the [SP MIC] connector.
K
Katelyn CoxSep 2, 2025
What does self check error (Battery voltage) mean on Icom IC-M71 Transceiver?
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  marioconnerSep 2, 2025
  If you're getting a self-check error related to battery voltage on your Icom Transceiver, it indicates that the connected battery pack’s voltage is more than 11 V. Verify the battery voltage is correct.

Icom IC-M71 Specifications

General

Type	Handheld VHF Marine Transceiver
Frequency Range	156.000 - 163.425 MHz
Channels	USA: 88, International: 28, Canadian: 14, Weather: 10
Power Output	5W / 1W
Power Supply Requirement	7.2V DC
RF Output Power	5W / 1W
Modulation System	FM
Waterproof Rating	IPX7
Spurious Emissions	-70 dB or less
Frequency Stability	±10 ppm
Audio Output Power	500 mW (at 10% distortion, 8 Ω)
Sensitivity (at 12 dB SINAD)	0.25 μV
Intermodulation Rejection Ratio	70 dB
Spurious Response Rejection Ratio	70 dB
Adjacent Channel Selectivity	70 dB
Mode	Simplex
Battery Life	Approx. 10 hours (5W/5-5-90 duty cycle)
Type of Emission	16K0G3E