Backlight Settings Menu
By a simultaneous press of 
and 
for 3 seconds at the same time the device goes to the state of backlight intensity settings for all the device buttons.
Possible actions | Performance | Action result |
|---|---|---|
Cancel the selection and returninto the Idle mode. |
| The selection is cancelled and the menu actions are terminated without saving. Home screen is displayed. |
Brightness intensity up |
| Every button press increases the brightness intensity. An acoustic signal indicates an increase in brightness. When the maximum brightness intensity is reached, |
Brightness intensity down |
| Every button press decreases the brightness intensity. An acoustic signal indicates a decrease in brightness. When the maximum brightness intensity is reached, |
Selection confirmation | By a simultaneous press of or press of or 10s inactivity time, | the selection is confirmed. The device sets the selected brightness intensity value. Home screen is displayed. |
