Panasonic PT-L720U Instruction Manual
51
Other
s
50
Lamp unit replacement procedure
NOTE:
B If the lamp usage time has passed 2 000 hours (when LAMP POWER has
B If the lamp usage time has passed 2 000 hours (when LAMP POWER has
been set to “HIGH”), the projector will switch to standby mode after
approximately 10 minutes of operation. The steps ) to - on the next
page should thus be completed within 10 minutes.
approximately 10 minutes of operation. The steps ) to - on the next
page should thus be completed within 10 minutes.
# Turn off the MAIN POWER
switch according to the
procedure given in “Turning off
the power” on page 27, and
then disconnect the power
cord plug from the wall outlet
and check that the area around
the lamp unit has cooled down.
procedure given in “Turning off
the power” on page 27, and
then disconnect the power
cord plug from the wall outlet
and check that the area around
the lamp unit has cooled down.
$ Use a Phillips screwdriver to
turn the lamp unit cover fixing
screws at the bottom of the
projector, and then remove the
lamp unit cover from the
projector.
screws at the bottom of the
projector, and then remove the
lamp unit cover from the
projector.
% Use a Phillips screwdriver to loosen
the two lamp unit fixing screws until
the screws turn freely. Then hold
the handle of the lamp unit and
gently pull it out from the projector.
the screws turn freely. Then hold
the handle of the lamp unit and
gently pull it out from the projector.
& Insert the new lamp unit while
making sure that the direction
of insertion is correct, and then
use a Phillips screwdriver to
securely tighten the lamp unit
fixing screws.
of insertion is correct, and then
use a Phillips screwdriver to
securely tighten the lamp unit
fixing screws.
Lamp unit cover
Handle
Lamp unit cover fixing screws
Lamp unit fixing screws
Lamp indicator warning
light
light
On-screen display
The projector will enter
Standby Mode and the
red indicator lamp will
illuminate.
Standby Mode and the
red indicator lamp will
illuminate.
Displayed for 30
seconds. Pressing any
button will clear the
display.
seconds. Pressing any
button will clear the
display.
More than 1 800 hours
This display cannot be
cleared at all, no matter
which button is pressed.
cleared at all, no matter
which button is pressed.
More than 2 000 hours
+ Press the ENTER button to
display the OPTION2 screen,
and then use the F and G
buttons to select LAMP
RUNTIME.
and then use the F and G
buttons to select LAMP
RUNTIME.
, Press and hold the ENTER
button for approximately 3
seconds.
seconds.
The “LAMP RUNTIME” will
change to “TIME RESET
[POWER OFF]”.
change to “TIME RESET
[POWER OFF]”.
NOTE:
B If the MENU button is pressed,
B If the MENU button is pressed,
the lamp time resetting screen
will be cancelled.
will be cancelled.
- Turn off the power.
This will reset the cumulative
usage time for the lamp unit to
zero.
Refer to page 27 for details on
how to turn off the power.
usage time for the lamp unit to
zero.
Refer to page 27 for details on
how to turn off the power.
' Install the lamp unit cover, and
then use a Phillips screwdriver
to securely tighten the lamp
unit cover fixing screws.
to securely tighten the lamp
unit cover fixing screws.
NOTE:
B Be sure to install the lamp unit
B Be sure to install the lamp unit
and the lamp unit cover securely.
If they are not securely installed,
it may cause the protection circuit
to operate so that the power
cannot be turned on.
If they are not securely installed,
it may cause the protection circuit
to operate so that the power
cannot be turned on.
( Insert the power cord plug into
the wall outlet and then press
the MAIN POWER switch.
the MAIN POWER switch.
NOTE:
B If the POWER indicator on the
B If the POWER indicator on the
projector does not illuminate red
when the MAIN POWER switch is
turned on, turn the MAIN POWER
switch off again and check that
the lamp unit and the lamp unit
cover are securely installed. Then
turn the MAIN POWER switch
back on.
when the MAIN POWER switch is
turned on, turn the MAIN POWER
switch off again and check that
the lamp unit and the lamp unit
cover are securely installed. Then
turn the MAIN POWER switch
back on.
) Press the POWER button so
that a picture is projected onto
the screen.
the screen.
* Press the MENU button to
display the MAIN MENU
screen, and then press the F
and G buttons to move the
cursor to select “OPTION2”.
screen, and then press the F
and G buttons to move the
cursor to select “OPTION2”.
M E N U
K E Y S T O N E
P I C T U R E
P O S I T I O N
I N D E X W I N D O W
S H U T T E R
A U D I O
L A N G U A G E
O P T I O N 1
O P T I O N 2
S E L E C T E N T E R
O P T I O N 2
B A C K C O L O R
B L U E
F R O N T / R E A R F R O N T
D E S K / C E I L I N G D E S K
F A N C O N T R O L S T A N D A R D
L A M P P O W E R H I G H
L A M P R U N T I M E 1 8 2 0 H
F U N C 1 I N D E X
C O N T R O L K E Y O N
S E L E C T E S C
O P T I O N 2
B A C K C O L O R
B L U E
F R O N T / R E A R F R O N T
D E S K / C E I L I N G D E S K
F A N C O N T R O L S T A N D A R D
L A M P P O W E R H I G H
T I M E R E S E T [ P O W E R O F F ]
F U N C 1 I N D E X
C O N T R O L K E Y O N
S E L E C T E S C