generally do not require this unit as the functionality is built-in. RigPix Database Specifications with UI-7 Installed Output Power 10–40 Watts 10–100 Watts Functionality Enables Transmit (Receive is standard) Enables both Transmit and Receive Tone Support Tone Encoder (requires UI-7 first)
Tune to a local 10-meter FM repeater or a strong AM broadcast station to confirm clear audio reception. Troubleshooting Common Issues
The unit is installed in a specific empty slot on the bottom main board. icom ui7 am fm unit install
: The general coverage receiver (30 kHz to 33 MHz) is significantly enhanced for AM broadcast listening.
Whether you are focusing primarily on or FM repeater use ? generally do not require this unit as the
Double-check that the UI-7 board is fully seated. Even a fraction of a millimeter of lift can prevent the pins from making electrical contact.
: Unplug the microphone, antenna coax cables, and any external speakers. : The general coverage receiver (30 kHz to
Adding the Icom UI-7 AM/FM unit to your IC-725, IC-728, or similar transceiver is one of the most rewarding upgrades you can perform on these classic radios. It transforms a single-sideband-only radio into a versatile multimode station, giving you access to the 10-meter FM band and allowing you to explore the unique qualities of AM transmission. By following this careful step-by-step guide, you can handle the installation yourself, ensuring your trusted Icom continues to deliver years of excellent service across all the modes you want to use.
Without the UI-7 board, the stock IC-725 operates on USB, LSB, and CW (100 watts). By installing the UI-7 unit, you gain:
Secure the UI-7 board to the chassis standoffs using the screws provided with the kit. Do not overtighten. Testing and Calibration
: Not required for the Icom IC-726 or IC-729, which often have these modes built-in. Installation Guide