THR9+ TETRA hand portable radio meets field workers' most rigorous requirements. Instead of a full alphanumeric keypad the radio has a large, clear, simplified keypad which is optimized for use even when wearing gloves. THR9+ addresses the specific requirements of users such as firemen working in harsh conditions. With the four-way navigation keys, the user has direct access to the radio menu and phone book. When needed, the advanced text input method based on the system's large display enables typing of numbers and letters using navigation keys. In addition, the two freely programmable function keys and configurable Fast menu provide quick access to the most frequently used numbers. THR9+ has a specific night vision display color scheme providing enhanced visibility and user safety when working in the dark.
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