: Properly align and insert the 10-pin plug on the UI-7 into the corresponding J20/J22 slot on the radio's MAIN UNIT.
The UI-7 might not be seated completely. Power down, open the chassis, and firmly press the unit into its socket again.
Unplug the DC power cable from your transceiver. Disconnect Antenna: Remove all antennas and accessories. icom ui7 am fm unit install
Look for the main unit board. You are looking for a small, unpopulated 10-pin socket area designed to receive the UI-7 option board. On the IC-725, this is typically located near the center-left of the main board. 4. Installing the UI-7 Unit
button. If the installation was successful, the mode display should now toggle between AM and FM instead of remaining unresponsive. Why Add the UI-7? While many modern rigs like the Icom IC-7300 include these modes as standard, adding the to a vintage preserves its utility for: 10-Meter FM : Using the unit with an optional UT-20 Tone Encoder allows you to work FM repeaters. Shortwave Listening : Properly align and insert the 10-pin plug
Turn on the Icom UI-7 unit and test its functions, including:
: Remove the DC power cable or disconnect the radio from its battery source. Unplug the DC power cable from your transceiver
Reconnect the internal speaker cable if you disconnected it in Step 1.
When operating in FM, turn the squelch control fully counterclockwise, then rotate it clockwise to the point where the noise just disappears. Troubleshooting:
Print this checklist and run through it before closing up your helm console:
