Symbol MC9000-K/S Reference Manual page 185

Table 3-4. Battery Power Backlight Settings
Status
On Battery Power Select the Turn off backlight if device is not used
for check box to turn off the backlight after a
certain period of time has passed unused. Period
of time can be selected from the list. Available
timings are 10 sec, 30 sec, 1 min, 2 min, 3 min,
4 min and 5 min.
Select the Turn on backlight when a button is
pressed or the screen is tapped check box to turn
on the backlight when a key is pressed or the
screen is tapped.
To change screen brightness level, see
Conditions of light On/Off
Brightness on page
Settings
Default (Cold Boot)
Check box is selected.
Default time is one minute.
Check box is selected.
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