User Manual

7
2.1 Technical data
Unit is equipped with
- Battery compartment for 3 AA-batteries
- Acoustic multilevel warning „Low-Battery“ in the connected headset
- Optical warning „Low-Battery“
- Volume switch with ON/OFF-function
- 6-pole socket for headsets
- Fall protection cord
Technical Data
USA
Frequency band 1920 – 1930 MHz
Mode of Transmission TDMA 24 Slots per frame
Channel spacing 1,728 MHz
Automatic channel selection 5 channels
Transmission range ≥200m (obstacle-free area)
≥75m (dependent on the local conditions)
Power supply rechargeable batteries NiMH or
AA-batteries
Operating time approx. 20 hours (by 23°C) on use of the
provided rechargeable batteries