Icom ID-31A PLUS Basic Manual
![Icom ID-31A PLUS Transceiver manual cover](/images/idmlksIpwGaZeHwVaweXCiKY/thumbs/thumb175x175.webp)
To reset the Icom ID-31A PLUS to factory settings, turn off the radio. Then, while holding down the [S.MW] and [MW] buttons, turn the power on. Continue holding the buttons until "ALL RESET" appears on the display.
To program a repeater frequency, enter the desired frequency, then set the shift direction (positive or negative) and offset. Store the settings into a memory channel by holding down the [V/M] button until the memory channel number flashes, then release to save.
If the transceiver does not power on, check the battery for a full charge and ensure it is properly seated. Inspect the battery terminals for cleanliness and verify the power switch is fully engaged.
To improve audio quality, adjust the squelch level to reduce background noise, and ensure the volume is set correctly. Consider using an external speaker or headset for better clarity.
To update the firmware, download the latest firmware from the Icom website. Connect the transceiver to your computer via USB, and follow the instructions provided with the firmware download to complete the update process.
Enable digital mode by pressing the [DR] button, selecting the desired repeater or hotspot from the digital repeater list. Ensure your call sign is registered and configured in the radio settings.
For poor reception, check the antenna connection and ensure it is compatible and properly attached. Verify the squelch setting is not too high and try repositioning the transceiver for better signal reception.
Regular maintenance includes keeping the transceiver clean and dry, checking the battery for charge and wear, and ensuring that the antenna and connectors are securely attached and free of corrosion.
To set up a memory scan, store desired frequencies into memory channels. Press and hold the [SCAN] button to initiate scanning. The radio will cycle through stored channels, stopping on active frequencies.
Yes, the Icom ID-31A PLUS can be connected to an external GPS receiver via the data jack, allowing you to send and receive location data during digital communications.