Powering on/off
Powering off the projector
Control panel
Power <ON/STAND-BY>
button
1) Press the power <ON/STAND-BY>
button on the control panel or the
power <STAND-BY> button on the
remote control.
z
z [Power off ?] is displayed on the screen.
z
z The screen display will disappear when any button
other than the power <ON/STAND-BY> button on
the control panel and the power <STAND-BY>
button on the remote control is pressed or when
approximately four seconds elapse.
2) Press again the power <ON/STAND-
BY> button on the control panel or
the power <STAND-BY> button on the
remote control.
z
z The lamp goes off and the projection stops.
z
z The power indicator <POWER> goes off while
the cooling fan continues to rotate, and the
standby indicator <STAND-BY> flashes.
3) When the standby indicator <STAND-
BY> comes on, press the < > side of the
main power switch to turn off the power.
Note
z Do not turn on the power immediately after turning it off.
In the cooling state of the luminous lamp after the
power is turned off, the lamp may not light up even
when the power is turned on. In this case, wait for
the standby indicator <STAND-BY> to turn red, and
then turn on the power again. Turning on the power
while the lamp is still hot may shorten the lamp life.
z When you turn off the power using the power <ON/
STAND-BY> button on the control panel or the
power <STAND-BY> button on the remote control
with the main power switch on the projector body
turned on, the projector continues to consume
electricity. For details on power consumption, refer
to "Power consumption" (
z Check that key lock is off in the [Security] menu.
(
page 69)
z If you use the projector for longer than 24 hours,
turn off the power every 24 hours and wait for one
hour. This will increase the lamp life.
34 - ENGLISH
Remote control
Power <STAND-BY>
button
page 102).
Direct power off function
You can disconnect the power cord, turn off the power
by the power breaker switch, etc. without pressing the
power <STAND-BY> button on the remote control or
the main power switch on the projector.
This is useful in cases where the switch is not easily
accessible, such as when the projector is ceiling
mounted. This function also provides safety if a power
outage occurs or if the power cord is accidentally
disconnected from the outlet immediately after turning
off the power.
Note
z When the lamp has been cooled by the direct
power off function, it sometimes takes longer than
usual for the lamp to light up again.
Power management function
The projector has a power management function. If
no signal is detected for 30 seconds and no operation
is performed on the projector, [No signal] the timer
appear on the screen and a countdown starts.
If the countdown is completed without a signal being
input or an operation on the projector, this function
works to save power and extend the service life of the
lamp.
Note
z The factory default setting is [Off]. For details, refer
to [Power management] (
page 68).
LX1750 User Manual
020-000638-01 Rev.1 (11-2013)