Holux GPSmile53 - Manual (Page 36)

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GPSmile53
Backlight Setting
The backlight setting will adjust the brightness of the backlight and the
auto-off time.
1. Under the setting window, select Backlight to enter the backlight
setting window.
2. Select the time to turn off backlight when running off the battery /
external power (1 min, 3 min, 5 min, 10 min, 30 min, Always).
3. Scroll the brightness bar to control backlight brightness. There are six
levels in total.
4. Select to confirm or select to keep the original settings.
5. Select to return to main menu screen.
Backlight
brightness