Setting The Backlight - Denso BHT-7500W Operator's Manual

Pressing the M4 key while holding down SF (Shift) key activates or deacti-
vates 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 ), as well as modifying the ON-duration of the
backlight before the automatic turning-off.

Setting the Backlight

Press M4 while
holding down SF .
SF
M4
If no key is
pressed for at
least 3 seconds.
Backlight OFF
(The backlight
function is OFF
when you power on
the BHT.)
Backlight ON
Backlight OFF
(The backlight
function is kept ON.)
Press M4while
holding down
SF .
Press any key (except
for the simultaneous
depression of M4
and SF ).
Press M4 while
holding down SF .