Chapter 3 Basic Operations — Switching on/off the projector
ENGLISH - 61
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-RZ990
[LIGHT OUTPUT] (%) Brightness (lm) Estimated runtime
*1
(hours)
100.0 9 400 20 000
70.2 6 600 27 000
39.4 3 700 34 000
24.5 2 300 37 000
*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
3
dust.
Estimated runtime (hours)
[LIGHT OUTPUT](%)
Brightness (lm)
20 000 23 400 26 800 30 200 33 600 37 000
2 300
9 400100.0
90.0
80.0
40.0
30.0
20.0
70.0
60.0
50.0
r
PT-RZ890
[LIGHT OUTPUT] (%) Brightness (lm) Estimated runtime
*1
(hours)
100.0 8 500 20 000
77.6 6 600 27 000
43.5 3 700 34 000
30.6 2 600 37 000
*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
3
dust.
Estimated runtime (hours)
[LIGHT OUTPUT](%)
Brightness (lm)
2 600
8 500
20 000 23 400 26 800 30 200 33 600 37 000
100.0
90.0
80.0
40.0
30.0
20.0
70.0
60.0
50.0
r
PT-RZ790
[LIGHT OUTPUT] (%) Brightness (lm) Estimated runtime
*1
(hours)
100.0 7 000 20 000
70.0 4 900 27 000
35.7 2 500 34 000
21.4 1 500 37 000
*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
3
dust.