Hytera PTC680FXB1 - Basic Operations; Turning the Terminal On or Off; Adjusting the Volume; Selecting Talk groups

3. Basic Operations
3.1 Turning the Terminal On or Off
To turn the terminal on, press and hold the Power/End Call key until the splash screen appears.
To turn the terminal off, do as follows:
1. Press and hold the Power/End Call key until the power-off selection screen appears.
2. Tap Power Off, and then tap OK.
3.2 Adjusting the Volume
To adjust the volume, directly rotate the
Smart Knob
.
When in a call or enabling an alarm, you can rotate the
Smart Knob
to adjust the call volume or alarm
volume.
When playing music, video or recorded files, you can rotate the
Smart Knob
to adjust the media volume.
3.3 Selecting Talk groups
1. Press the Smart Knob. Then the terminal prompts on the display.
2. Rotate the knob to select the required talk group.
If you do not operate the
Smart Knob
within 5s or if you press it again within 5s, the terminal
returns to the volume control state automatically.
3.4 Understanding the Screens
3.4.1 Main Screen and Top Screen
The screens may be damaged or broken if they are hit or scraped by sharp or hard objects.
All care must be taken to protect the screens.