Adjusting The Brightness; Setting The Idle Time - Bushnell NAV500 User Manual

Adjusting the brightness

To adjust the brightness, click the + or – buttons
Alternatively, you can use the right/left directional keys to highlight
Brightness, and then to increase or decrease the brightness.
Once you have finished, press the OK button.

Setting the Idle Time

The idle time feature will automatically switch off the display following a
period of inactivity. For example if an idle time of 5 minutes is chosen,
the display backlight will switch off if no buttons are pressed during that
time.
Use the directional keys to highlight idle time or click it on the touch
screen.
Use the right/left directional keys to choose a suitable idle time.
When you are happy with all the Screen settings click OK.
NOTE: If you do not wish to use the idle time feature, choose "off".