How do I turn off the LCD backlight?

The LCD has two modes for its backlight: an "always-on" mode and a "temporary 30 seconds" mode. To switch between these modes, follow these steps:

Always-On Backlight Mode

1. Long Press: Press and hold the button.

2. Release: Let go of the button.

Temporary 30 Seconds Backlight Mode

1. Long Press: Press and hold the button.

2. Release: Let go of the button.

3. Activate: If the backlight is off, press the button to turn it on for 30 seconds.

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