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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-RQ25K, PT-RZ24K
[LIGHT OUTPUT] (%)
100.0 %
90.0 %
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 PT-RQ18K, PT-RZ17K
[LIGHT OUTPUT] (%)
100.0 %
90.0 %
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
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.
Brightness (lm)
20 000
18 000
16 000
14 000
12 000
10 000
100.0
90.0
80.0
70.0
60.0
50.0
40.0
29 100
32 840
36 580
Estimated runtime (hours)
Brightness (lm)
16 000
14 400
12 800
11 200
9 600
8 000
100.0
90.0
80.0
70.0
60.0
50.0
40.0
39 300
43 480
47 660
Estimated runtime (hours)
dust.
3
20 000
10 000
40 320
44 060
47 800
dust.
3
16 000
8 000
51 840
56 020
60 200
Estimated runtime
(hours)
*1
29 100
31 600
34 500
38 100
42 400
47 800
Estimated runtime
(hours)
*1
39 300
42 200
45 700
49 700
54 500
60 200
ENGLISH - 77
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