Turning On/Off The Backlight - Denso BHT-1361QWB-CE Hardware User Manual

3.2 Turning ON/OFF the Backlight

To turn the backlight ON or OFF, hold down the SF key and press the M4 key.
 Notes 
Auto OFF time can be changed with user programs.

The backlight can also be turned ON or OFF in the Backlight settings menu instead of pressing

the SF key and M4 key.
SF key
M4 key
Barcode / 2D Code Handy Terminal
Backlight OFF or dim
(backlight function enabled)
If no key is
pressed for
more than 3
seconds.*
Backlight ON
Hold down the SF key
and press the M4Key.
Backlight OFF or dim
(backlight function disabled)
* More than 1 minute if the BHT is placed on the CU.
Hold down the SF key
and press the M4 Key.
Press any key or tap
the touch screen.
Hold down the SF key
and press the M4 Key.
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