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Christine PayneJul 30, 2025
What to do if the Icom Transceiver lock function is activated?
- KkquinnJul 30, 2025
If the lock function is activated on your Icom Transceiver, push the key for 2 seconds to cancel the function.
What to do if the Icom Transceiver lock function is activated?
If the lock function is activated on your Icom Transceiver, push the key for 2 seconds to cancel the function.
What to do if all memory channels are programmed as lockout channels on my Icom Transceiver?
If all memory channels on your Icom Transceiver are programmed as lockout channels, cancel the lockout settings of the desired channels.
What to do if the Icom Transceiver battery is exhausted?
If your Icom Transceiver battery is exhausted, recharge the battery pack. Also, check the connection to the transceiver to ensure it is properly connected.
Why is there no sound coming from my Icom Transceiver?
If you are not getting any sound from your Icom Transceiver, the squelch level might be set too high, or the volume might be too low. Try setting the squelch to the threshold point and adjust the volume to a suitable level.
Why does my Icom Transceiver receive only on some channels?
If your Icom Transceiver only receives on some channels, try changing channels. Also, ensure that the battery is not exhausted by recharging the battery pack.
How to turn on beep tones on Icom Transceiver?
To turn the beep tones back on for your Icom Transceiver, go to the set mode and turn the beep tone ON.
Detailed description of the receiver's signal path, including antenna switching, RF, mixer, IF, AM detector, and AF circuits.
Covers microphone amplifier, modulation, drive/power amplifier, and APC circuits for transmission.
Procedure to adjust the tune voltage, specifying operating frequency and measurement points.
Instructions for adjusting the RF Band Pass Filter, including SSG settings.
Procedure for adjusting the PLL lock voltage, specifying frequency and measurement points.
Adjusting the idling current for transmit, including measurement and connection details.
Procedure for setting the output power, specifying frequency and measurement equipment.
Adjusting modulation depth for transmission, detailing SSG and analyzer settings.
General| Brand | Icom |
|---|---|
| Model | IC-A4 |
| Category | Transceiver |
| Language | English |
