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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.
r PT‑MZ20K
[LIGHT OUTPUT] (%)
100.0
80.0
60.0
40.0
*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 PT‑MZ17K
[LIGHT OUTPUT] (%)
100.0
80.0
60.0
40.0
*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
Brightness (lm)
20 000
16 000
12 000
8 000
100.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20 000
21 000
22 000
Estimated runtime (hours)
Brightness (lm)
16 500
13 200
9 900
6 600
100.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20 000
21 000
22 000
Estimated runtime (hours)
dust.
3
20 000
8 000
23 000
24 000
25 000
dust.
3
16 500
6 600
23 000
24 000
25 000
Estimated runtime
(hours)
*1
20 000
21 500
23 000
25 000
Estimated runtime
(hours)
*1
20 000
21 500
23 000
25 000
ENGLISH - 59
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