How to Adjust the LCD Backlight Timer
You might want to set a certain backlight time of the LDC screen as per your preference, so just follow this guides to choose it:
Step 1: Go to System Settings
While the SP860 is turned on, long-press the "Menu" button to go to System Settings, the Top option will be the “backlight” as you can see. Select it by pressing the "Menu" button again.
Step 2: Choose the wanted the "Backlight" time.
There are different options of 0/10/30seconds, or 1/2/5/10 min, press "previous" and "next track" button to scroll and press "Menu" button to choose it, and select "return" to go back to the previous menu.