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2.3.2
BRIGHTNESS LEVELS
As anticipated in section 2.1, the integrator can configure the LEDs of the buttons to
make use of the pre-defined brightness levels or of user-defined levels.
To begin with, each LED can commute between two states:
off
(which not necessarily
means “no light”) and
on
(which not necessarily means “light on”). When they switch
the state depends on the illumination mode, as already explained in section 2.3.1.
Moreover, the LEDs can also commute between two operation modes: the
normal
mode
and the
night mode
(this one is optional). The second one is provided for
temporary situations environments where an excess of brightness may disturb the
user, being possible to switch the mode by means of a one-bit object and/or a scene
object.
To sum up, it is possible to configure the following:
Normal Mode
:
“Off” Brightness Level: allowed values are from 0 (default value) to 255.
“On” Brightness Level: allowed values are from 0 to 255 (default value).
Night Mode
(not switchable by default):
“Off” Brightness Level: allowed values are from 0 to 255 (1 by default).
“On” Brightness Level: allowed values are from 0 to 255 (8 by default).
A general parameter is provided to make the ETS parameterisation easier in case the
night mode is not required and the integrator feels comfortable with the default on/off
brightness levels. On the other hand, customising these modes and levels involves a
set of parameters, as explained next.
