The basic settings (adjusting brightness and contrast, using the Stadiametric Rangefinder function) can be changed using the quick access menu.
Brightness – press the UP (4)/DOWN (2) buttons to change display brightness from 0 to 20.
Contrast – press the UP (4)/DOWN (2) buttons to change image contrast from 0 to 20.
Stadiometric Rangefinder - change the position of special marker lines to determine the distance to the object being observed by pressing the UP (4)/DOWN (2) buttons (for more details see the Stadiametric Rangefinder section).
Smooth Digital Zoom – press the UP (4)/DOWN (2) button to change the value of the digital zoom from 3 to 12. The digital zoom changes in 0.1 increments.
Note: the magnification value is reset to the base value when the device is switched off