Chapter 3 Basic Operations — Switching on/o the projector
70 - ENGLISH
r PT‑REQ80
[LIGHT OUTPUT] (%) Brightness (lm) Estimated runtime
*1
(hours)
100 8 000 20 000
90 7 200 21 300
80 6 400 24 000
70 5 600 27 200
60 4 800 31 000
50 4 000 35 600
*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.
35 60032 48029 36026 24023 12020 000
40.0
4 000
50.0
60.0
70.0
80.0
90.0
100.0
8 000
30.0
Note
f Under inuence 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 conrmed 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 42) 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.
3/8
ENTER
SET
CHANGE
Change the projection method
(FRONT/REAR, FLOOR/CEILING)
if the screen display is upside down
or inverted.
PROJECTION METHOD
INITIAL SETTING
FRONT/REAR
FLOOR/CEILING
MENU SELECT
FRONT
AUTO
2) Press the <ENTER> button to proceed to the initial setting.
Estimated runtime (hours)
[LIGHT OUTPUT] (%)
Brightness (lm)
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