B. INTEGRAL PARTS AND FUNCTIONALITY
B-2
BeFREE 20 – TECHNICAL OVERVIEW
Microphone LED
Illuminated (red) while the microphone is
active (enabled).
Bar-Graph Displays
Green: loudspeakers volume level
Red: VU-meter (actual signal level at the
loudspeakers and the microphone)
Orange: display brightness level
Volume UP Key
Press to increase volume of left and right
speakers.
Volume DOWN Key Press to decrease volume of left and right
speakers.
Home / TouchDisable
Key
Long press disables touchscreen. Short
press (re)enables touchscreen.
Brightness UP Key
Press to increase brightness of the display
and all visual indicators.
Brightness DOWN
Key
Press to decrease brightness of the display
and all visual indicators.
PTT (Push To Talk)
Key
By default PTT, but can be set to PTM
(Push To Mute) or any other key event.
Blue backlight can be programmed to
blink or turn ON/OFF upon press/release.
Figure B.2 The Stripe (Keys & Indicators)
