Perform a full test: key up on each programmed channel, check TX audio, and verify RX squelch behavior.
Most modern jurisdictions require spacing. The TM8115 software allows you to toggle this per channel. Selecting the wrong bandwidth can result in distorted audio or "splatter" onto adjacent channels. Scanning Lists tait tm8115 programming software
Assuming you have legitimate software and a working cable, follow these steps to read, modify, and write a codeplug. Perform a full test: key up on each
The biggest hurdle for new Tait programmers is the separation. check TX audio