Hytera Mt680 Tetra Mobile Terminal Owners Manual R4 0 New «Desktop»
Solution from Manual (Section 6.4): The orange button has two modes: Hot Mic (transmits ambient audio) and Emergency Alarm. The new manual clarifies that to reset an Emergency Alarm, you must power cycle the terminal for 10 seconds—simply pressing the button twice no longer works in firmware R4.0.
The Hytera MT680 TETRA Mobile Terminal in its R4.0 New revision represents a mature, rugged, and highly intelligent communication tool. However, without a deep reading of the accompanying owner’s manual, you are utilizing perhaps 60% of its capability.
From the revamped ignition sense wiring to the enhanced noise cancellation algorithms, the manual turns a complex TETRA terminal into a reliable partner for public safety, utilities, or transportation fleets.
Final advice from the manual’s first page: "Program in the office. Practice in the yard. Operate in the field." Download the R4.0 manual today, study the advanced calling features (Open Scrambling, Packet Data, Status Messaging), and ensure your team is fluent in both TMO and DMO fallback procedures.
Your mission-critical communications depend on it.
Keywords integrated: Hytera MT680, TETRA Mobile Terminal, Owners Manual R4 0 New, installation, programming, DMO, TMO, troubleshooting, fleet management.
The Hytera MT680 Plus (often referred to in R4.0 or later documentation as the MT680 Plus) is a high-power 10W TETRA mobile terminal designed for mission-critical applications
. It is widely used in transportation, utility, and public safety sectors, offering robust communication capabilities and a rugged design compliant with MIL-STD-810G.
This detailed overview covers key features, technical specifications, and operating principles based on available documentation. 1. Key Features and Technical Specifications High Power Output: Features 10W RF transmit power for extended range. Rugged Construction: hytera mt680 tetra mobile terminal owners manual r4 0 new
Front panel holds an IP67 rating, making it dust-proof and waterproof (submersible). Audio Quality:
Includes noise-cancelling technology and a 4W internal speaker.
Equipped with a 2.8-inch TFT LCD (320 x 240 pixels) with 260K colors, optimized for sunlight readability. Positioning: Built-in GPS, GLONASS, and BeiDou. Bluetooth 4.0: Supports wireless audio accessories.
Supports Authentication, Air Interface Encryption (AIE) with TEA1/2/3/4 algorithms, and End-to-End Encryption (E2EE). 2. Operating Modes
The MT680 Plus operates in both TMO (Trunked Mode) and DMO (Direct Mode). Sumitec Comunicaciones TMO (Trunked Mode Operation): Communication through the TETRA network. DMO (Direct Mode Operation): Direct communication between terminals. Gateway & Repeater:
Supports DMO Gateway and DMO Repeater modes, allowing it to extend communication coverage. 3. Installation Options The terminal supports flexible installation types: Dash Mount: Integrated into the dashboard. Desktop Mount: Used for fixed office or base station locations. Remote Mount:
The control head can be separated from the main unit for installation in confined spaces. 4. Basic Operation & Controls 2-in-1 Knob:
A large rotary knob is used for volume control and group selection. Programmable Keys: Solution from Manual (Section 6
16 programmable keys are available for quick access to functions. Emergency Key: Dedicated button to trigger emergency calls/alerts. Interfaces:
Features a USB-based programming connector and an interface for an external palm microphone. 5. Programming and Maintenance
Requires Hytera TETRA CPS (Customer Programming Software) for configuration, often using the PC39 or PC35 programming cable. Updates are performed through the Hytera TETRA Upgrade Kit. Firmware Mode:
If the radio fails to enter programming mode normally, it can be triggered by typing on the keypad. Ham Radio Use:
The MT680 Plus (specifically the F4 variant) is used by some in the ham radio community for TETRA networking, though it is primarily a commercial device. 6. Safety Information Operating Temperature: -30℃ to +60℃. Antenna Safety:
Ensure the antenna is at least 2.5cm away from the body during transmission. 10.8V – 15.6V DC (Standard 13.2V). Orizon Mobile
Disclaimer: Some features, such as specific encryption algorithms (TEA2), are subject to European export regulations, and specifications may change due to ongoing development. Orizon Mobile Hytera MT680 Plus User Manual | PDF - Scribd
Hytera MT680 Plus (R4.0) owner's manual details a ruggedized TETRA mobile terminal If you are upgrading from an older firmware
designed for mission-critical communications. The terminal features high-power RF output, advanced noise cancellation, and flexible installation options for vehicles or desktop use. Key Technical Specifications RF Output Power: 10 Watts (settable) with automatic power control. Audio Output: 4W internal speaker; supports up to 10W external speaker. 2.8-inch 260K color TFT LCD (320x240 pixels). Durability:
IP54 for main unit; IP67 for the front panel (when remote-mounted). Standards: Compliant with MIL-STD-810 G and ETSI TETRA standards. Core Functionality & Operation Operation Modes: Supports Trunking Mode (TMO) and Direct Mode (DMO). Special Functions:
Acts as a DMO Gateway or ETSI Type 1A Repeater to extend network coverage. Location Services:
Built-in GPS, Glonass, and Beidou receiver with NMEA/LIP protocol support.
Supports Air Interface Encryption (AIE) with TEA1-4 algorithms and End-to-End Encryption (E2EE). Physical Controls and Interface MT680 Plus TETRA Mobile Termianl-EN.20170214.1 ... - Hytera
This document serves as a comprehensive guide to the features, operation, and programming of the Hytera MT680, specifically focusing on the updates and interface changes introduced in Revision 4.0 (R4.0) firmware.
If you are upgrading from an older firmware version (such as R2.0 or R3.0), the following changes are highlighted in the R4.0 manual: