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Chapter 3 Basic Operations — Switching on/off the projector
Relationship between brightness and runtime
The projector can be operated with arbitrary brightness and runtime by setting [LIGHT OUTPUT] to desired
setting.
The relationship between the [LIGHT OUTPUT] setting, brightness, and the estimated runtime is as follows. Make
the initial setting (operation setting) depending on the desired brightness of the projected image and runtime.
The values of the brightness and the runtime are just an estimate, and the graph indicating the relationship is just
an example. Also, these do not indicate the warranty period.
[LIGHT OUTPUT] (%)
100.0
90.0
80.0
70.0
60.0
*1 Estimated runtime is the time until the brightness decreases to approximately half of the time of delivery when the projector is used with the
[PICTURE] menu → [DYNAMIC CONTRAST] set to [3] and under environment of 0.15 mg/m
Note
f Under influence of characteristics of each light source, conditions of use, installation environment, etc., the runtime may be shorter than the
estimation.
f If the consolidated runtime of the projector exceeds 20 000 hours, replacement of the components inside the projector may be required. The
consolidated runtime can be confirmed in the [STATUS] screen. Refer to the [PROJECTOR SETUP] menu → [STATUS] for details.
f After completed the initial setting, the wider the combination of luminance and runtime becomes by setting the [PROJECTOR SETUP]
menu → [BRIGHTNESS CONTROL] → [BRIGHTNESS CONTROL SETUP] → [CONSTANT MODE] to [AUTO] or [PC]. Refer to the
[PROJECTOR SETUP] menu → [BRIGHTNESS CONTROL] for details.
64 - ENGLISH
Brightness (lm)
16 000
14 400
12 800
11 200
9 600
100.0
90.0
80.0
70.0
60.0
50.0
24 300
26 800
29 300
Estimated runtime (hours)
dust.
3
16 000
9 600
31 800
34 300
36 800
Estimated runtime
(hours)
*1
24 300
26 600
29 400
32 700
36 900
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