This document is the user manual for ZTE G650/G651/G420/G120 GoTa digital trunking phone, which provides instructions on how to use the phone and its features.
This manual provides an overview of the ZTE G650/G651/G420/G120 GoTa Digital Trunking Phone, including safety instructions, parts definition, and basic operation such as battery handling, R‑UIM card insertion, and power management. It describes how to make and receive both PTT and normal calls, manage phone books, and use auxiliary functions like calendar, alarm, and quick‑entry features.
The later sections cover advanced functions such as three‑way calls, group call management, message composition, and the FallBack mode that limits functionality when the PTT system encounters trouble. A troubleshooting guide lists common symptoms, possible causes, and recommended solutions, and provides contact information for ZTE support.
| Release version | V5.21 |
|---|---|
| Manual number | 056584500335 |
Select the "Charge the Battery" option in the manual to charge the phone’s battery before use.
The phone may be set to Silence or the ring volume is set to 0; adjust the ring volume or change the mode in Profiles.
When the PTT system encounters trouble, the phone enters FallBack mode, limiting functions to basic PTT calls such as group calls while other call functions are disabled.