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Tempest900 2-Channel Operating Manual
Adjust Sidetone
To demonstrate the use of the controls, this details instructions to adjust the “Sidetone” for the front panel headset connector:
1. Press MENU to enter Menu Mode
2. Rotate the Volume knob and scroll to “BaseStation Settings” on the display
3. Press ENT
4. Scroll to “Sidetone” and press ENT (or the Volume knob) to select
Sidetone value is expressed in Decibels (dB). You will see a level indicator with a numeric value between -30 dB to -6 dB. Speak into the
headset microphone at a typical speaking level and adjust the sound of your own voice in your headset. Press Enter to accept the changes.
Press MENU to move up one level in the menu tree. Press MENU repeatedly to exit Menu Mode and return to Operational Mode. If no other
items are selected, Menu Mode automatically exits and returns to Operational Mode after about three minutes.
Selecting a Frequency Band
The Tempest 900MHz wireless system is approved license-free in North America. It operates in the 900 MHz frequency band between 902 and
928 MHz.
The frequency band is xed and cannot be changed.
MHz MHz
Band Start End Width
900 902 928 28
The BaseStation controls may seem to react slowly. Some of the menu controls send a signal to a
BeltStation and require a reply from the BeltStation. There is a fraction of a second delay built into
some functions of the buttons and knobs. It is possible to press buttons or turn knobs faster than
they are permitted to react.
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