Garmin Rino 655t - Manual (Page 9)

Rino 600 Series Owner’s Manual 7
Getting Started
adjusting the Backlight
Brightness
The backlight levels vary for the
different power sources. For example,
the highest backlight setting while
running on AA batteries is lower
than the highest while running on the
lithium-ion battery. This is to extend
the AA battery life.
1. While the device is on, select .
2. Use + and - to adjust the brightness
level.
Locking the Screen
note: This action does not lock the
keys.
1. Select .
2. Select Lock Screen.