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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
80.0
70.0
60.0
50.0
*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] (%)
80.0
70.0
60.0
50.0
40.0
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
8 500
22 700
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.
180 - ENGLISH
Chapter 4 Settings — [PROJECTOR SETUP] menu
100.0
90.0
80.0
70.0
60.0
50.0
40.0
25 500
32 700
Estimated runtime (hours)
3
36 900
51 100
65 300
79 500
Brightness (lm)
30 500
24 000
21 000
18 000
15 000
3
39 900
47 100
54 300
61 500
Brightness (lm)
24 000
21 000
18 000
15 000
12 000
9 000
dust. The brightness will gradually decrease after exceeding this time.
24 000
9 000
Start of use
Image of brightness change over time
Estimated runtime
25 500
37 000
44 000
52 000
61 500
dust.
30 500
15 000
Estimated runtime
8 500
17 000
27 000
40 000
57 000
79 500
Estimated runtime
(hours)
*1
(hours)
*1
Hours
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