The UI-7 is a plug-in board that installs into the bottom of the transceiver. Key installation steps include: : The board plugs into the on the underside of the radio, typically near the rear. Connections Inserts into the 10-pin plug at on the Main Unit. Two 3-pin plugs connect to A supplied brown wire must be connected between the UI-7 and J5 on the Front Unit to enable the front-panel button functionality. Tone Capability Key installation steps include: : The board plugs
Adjustment:
Once installed, there are often small trimmers on the board to calibrate the FM deviation and AM carrier levels, though most factory-fresh units are "drop-in ready." Performance Expectations