Setting The Backlight - Denso BHT-300BWB Operator's Manual

Setting the Backlight

Pressing the M4 key (right-hand trigger switch) while holding down the SF (Shift)
key activates or deactivates the backlight function.
In user programs, you can select the key to be used for activating or
deactivating the backlight function (instead of the initial setting:
combination of SF and M4 key (right-hand trigger switch)), as well as
modifying the ON-duration of the backlight before the automatic
turning-off.
Backlight OFF
(The backlight function is
OFF when you turn the
BHT power on.)
Press M4 while
holding down SF.
M4
(right hand trigger
switch)
Backlight ON
If no key is
pressed for 3
seconds.
Backlight OFF
(The backlight function
is kept ON.)
SF
15
Press M4 while
holding down SF.
Press any key (except
for the simultaneous
depression of M4 and
SF.)
Press M4 while
holding down SF.