Each subsequent short press of a key, when the function performs the
LAS
parameter, causes the parameter time to be counted from 0 (reset the
elapsed time). The value of this parameter is taken into account only in the
fourth function. The other three are ignored.
6.3.5 Function five
Pressing and holding the external button “A” causes rise of the brightness.
Once it is released the brightness stops to increase. Pressing and holding the
external button “B” leads to the brightness fall down. After releasing the
button “B” brightness will remain at the same level as at the time of its
release.
19
Time
MAX
(ACL)
MIN
Button B
held pressed
Button A
held pressed
Buttons A and B
released