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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.
[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
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.
Initial setting (installation setting)
Set [FRONT/REAR] and [FLOOR/CEILING] in [PROJECTION METHOD] depending on the installation mode.
Refer to "Installation mode" (x page 36) for details.
After completed the initial setting, you can change the setting from the [PROJECTOR SETUP] menu →
[PROJECTION METHOD].
1)
Press qw to switch the setting.
2)
Press the <执行> button to proceed to the initial setting.
70 - ENGLISH
Brightness (lm)
30 500
24 000
21 000
18 000
15 000
100.0
90.0
80.0
70.0
60.0
50.0
40.0
25 500
32 700
39 900
Estimated runtime (hours)
INITIAL SETTING
PROJECTION METHOD
FRONT/REAR
FLOOR/CEILING
Change the projection method (FRONT/REAR,
FLOOR/CEILING) if the screen display is upside down
or inverted.
MENU SELECT
SET
执行
dust.
3
30 500
15 000
47 100
54 300
61 500
4/7
FRONT
AUTO
CHANGE
Estimated runtime
(hours)
*1
25 500
37 000
44 000
52 000
61 500
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