The terminal supports and includes a comprehensive backlit numeric keypad with 16 programmable buttons for quick access to frequently used functions.

The MT680 is designed exclusively for . Before installation, the installer must verify both the polarity and voltage of the vehicle’s power supply to prevent electrical damage or fire hazards.

Press and hold the Power key located on the front panel until the display lights up or turns off. Adjusting Volume

Do you need assistance configuring the ?

The is far more than a simple “how‑to“ document. It is a comprehensive technical resource that empowers users to fully exploit the capabilities of one of the most capable TETRA mobile radios on the market. From proper installation in 13.2V negative ground electrical systems and RF safety compliance to advanced voice call management, GPS fleet tracking, data services, security configuration, and troubleshooting, this 35‑page manual covers every aspect of the MT680 with clarity and technical precision.

I can provide specific, step-by-step programming and optimization steps for your system. Share public link

Website: www.hytera.com Support: Contact your local dealer or visit the Hytera support portal.

Enables seamless wireless accessory pairing, such as headsets and PTT buttons.

A: In the home screen, press the Options key or Func/OK key to enter the menu, then select either “TMO” or “DMO”.