Datasheet

ViViDO
5
4.2. Handling the touchpad
The touchpad is very sensitive. To avoid operating errors it should
   behandledasshownbelow:
4.3. General operating instructions
4.3.1. Power on/off
   Afterswitchingonthedevicethewelcomescreenwillbedispla-
   yedatrst,thenthemainmenu.
On Off
4.3.2. Activate/deactivate key lock
Press the buttons and simultaneously and keep them pressed
for at least 2 seconds. The key lock icon will appear/disappear in
the display.