How to adjust the backlight on the Garmin Astro 430
To adjust the backlight on the Garmin Astro 430 please follow these directions.
- Go to Main Menu
- Select "Setup"
- Select "Display"
- Select "Backlight Timeout"
- At this stage you can adjust how long your backlight on your device stays on before it dims itself. The options are: always stays on, 15 seconds, 30 seconds, 1 minute, 2 minutes.
Note: The longer the backlight stays on, the faster the batteries in the device will die.