SV-D700 / SV-D1000 Installation and Configuration
SkyView System Installation Guide - Revision K 4-21
% Brightness Sensor Value–There are four percent brightness sensor values: 25%, 50%,
75% and 100%. These values are correlated to a user-specified brightness sensor value,
which are to the right of the percent value. These percentages along with the minimum
brightness sensor value (explained below) form the calibration points for the backlight
management profile. When the current brightness sensor value matches one of these
points, the target backlight level is adjusted to its matching percentage. When the
current brightness sensor value is in between these points, the display interpolates
between the points and calculates an appropriate target backlight level. These values
must be set by the user.
Minimum Brightness Sensor Value–This is an integer value ranging from 0 to 999 that
represents the smallest amount of light that is expected to be sensed by the integrated
light sensor. This must be set by the user.
Minimum Brightness–This is an integer value ranging from 0 to 9 that represents the
lowest backlight setting when the minimum brightness sensor value is measured by the
integrated light sensor. This must be set by the user.
Use the RESET TO DYNON DEFAULTS option to start over if needed. Press BACK to save the
settings and return to the LOCAL DISPLAY SETUP Menu or press EXIT to return to the Main
Menu.
External Brightness Management
To set the backlight level so that it is controlled by an external variable voltage input (0-30V
DC), set BRIGHTNESS SOURCE to EXTERNAL OR MANUAL. When this option is selected, dimming
is normally controlled automatically via an external signal, but it can also be controlled
manually by using the Dim Menu. If backlight control is set to external, you must configure the
brightness settings on the Brightness Setup Page. This page displays several parameters, which
are listed and briefly explained below.
Current Brightness Sensor Voltage–This is the voltage level of the external control signal.
Use this value to characterize the ambient light levels in your installation during
characterization.
Current Brightness Target–This is a percentage ranging from 0% to 100% that represents
the calculated target backlight level based on the sensed ambient light level and the
percent brightness voltage map. Note that this is a calculated value and is not set by the
user. The actual brightness never drops below 20% when the Brightness Setup Page is
displayed, even though the target value may be below 20%.
% Brightness Voltage–There are four percent brightness values: 25%, 50%, 75% and
100%. These percentages are correlated to a brightness voltage, which are to the right
of the percent value. These percentages along with the minimum brightness voltage
(explained below) form the calibration points for the backlight management profile.
When the current brightness voltage matches one of these points, the target backlight
level is adjusted to that percentage. When the current brightness voltage is in between
these points, the display interpolates between the points and calculates an appropriate
target backlight level. These voltages must be set by the user.
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