4

1.3 Setting the Backlight

Pressing the M1 key while holding down SF (Shift) key activates or deactivates the

backlight function.

Press M1 while
holding down SF .
Backlight ON
If no key is
pressed for at
least 3 seconds.
Backlight OFF
(The backlight function
is kept ON.) Press M1 while
holding down SF .
Press any key (except
for the simultaneous
depression of M1
and SF ).
Backlight OFF
(The backlight function
is OFF when you power
on the BHT.)
Press M1 while
holding down SF .

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

M1 ), as well as modifying the ON-duration of the backlight before the automatic

turning-off.

NOTE
SF
M1
(26-key pad)