Map the PTT button on the CAT S30 and CAT S40
Mapping the PTT button on the CAT S30 will allow you to use the PTT button for sending voice messages on Zello. The dedicated PTT button will also bring Zello to the front when in the background, and unlock your phone.
Follow the instructions below to map the dedicated PTT button on the CAT S30.
1. Open the Android settings > Programmable Key. Make sure you the Wake device option is selected.
2. Open the Zello Options > Push-to-talk button. Tap on the Select push-to-talk button option and press the dedicated PTT button. You'll see it map as the Camera button.
3. Now got back to you Android Settings > Programmable Key. Select Zello or ZelloWork.