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Relationship between brightness and runtime
The projector can be operated with arbitrary brightness and runtime by combining the settings of [MAX LIGHT
OUTPUT LEVEL], [LIGHT OUTPUT], and [CONSTANT MODE] in [BRIGHTNESS CONTROL SETUP].
The relationship between the [LIGHT OUTPUT] setting, brightness, and the estimated runtime is as follows. Make
the 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.
r When [CONSTANT MODE] is set to [OFF]
[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
r When [CONSTANT MODE] is set to [AUTO] or [PC]
[LIGHT OUTPUT] (%)
90.0
70.0
50.0
30.0
*1 Estimated runtime is the time the brightness is maintained constant when the projector is used with the [PICTURE] menu → [DYNAMIC
CONTRAST] set to [3] and under environment of 0.15 mg/m
100.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
2 500
25 600
Estimated runtime (hours)
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.
158 - ENGLISH
Chapter 4 Settings — [PROJECTOR SETUP] menu
100.0
90.0
80.0
70.0
60.0
50.0
24 300
26 800
Estimated runtime (hours)
3
48 700
71 800
94 900
118 000
Brightness (lm)
16 000
14 400
12 800
11 200
9 600
3
29 300
31 800
34 300
36 800
Brightness (lm)
14 400
11 200
8 000
4 800
dust. The brightness will gradually decrease after exceeding this time.
14 400
4 800
Start of use
Image of brightness change over time
Estimated runtime
24 300
26 600
29 400
32 700
36 900
dust.
16 000
9 600
Estimated runtime
2 500
21 900
53 700
118 000
Estimated runtime
(hours)
*1
(hours)
*1
Hours
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