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Manual Backlight Control
Manual Backlight Control
This mode is useful when the m52L is in a room with no outside windows and
unchanging ambient light levels.
1
Ba ck lig h t C on t r o l
2
Caution:
the factory, not in the field. Contact your Planar dealer for more information.
Auto Backlight Control
1
Ba ck lig h t C on t r o l
2
Note:
value. You may get different ambient light values with a handheld light meter.
Note:
time delay prevents flickering if the ambient light level is near the ambient threshold.
76
Set the
BACKLIGHT CONTROL MODE
A u to B ac kl ig h t on
Tu r n B ac kl i g ht o f f w i t h n o S o u r ce ( D P M S )
D P MS D ela y
B ac kli g ht C o n tr o l M o d e
B ac kli g ht I n te n sit y
Adjust the
BACKLIGHT INTENSITY
will increase backlight life.
Changing a failed backlight is a job for a qualified service technician. It is done at
Set the
BACKLIGHT CONTROL MODE
A u to Bac kl ig h t on
Tu r n B ac kl i g ht of f w i t h n o S o u r c e ( D P M S )
D P MS D ela y
B ac kl ig ht Co n tr ol M o d e
B ac kl i g ht I n t en s i t y
A m bi en t T hr esh o ld
A m bi en t L ig h t
Set the
AMBIENT THRESHOLD
changes intensity. If the current
below the threshold, the backlight dims; if it rises above the threshold, the
backlight brightens.
Ambient light is a relative value, and is pertinent only to the m52L. It is not an absolute
The m52L has a nominal time delay of three minutes before it changes light levels. This
m52L Installation Guide
to
MANUAL .
1 h r
Ma nua l
1 0
to a comfortable brightness. A lower brightness
to
.
AUTO
1 h r
A u to
1 0
9 9L u x
2 39 L u x
to an ambient light level at which the backlight
(shown on the bottom line) drops
AMBIENT LIGHT
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