Panasonic PT-L750U R Operating Instructions Manual page 67

' Close the air outlet port, and
then use a Phillips screwdriver
to securely tighten the air
outlet port fixing screws.
NOTE:
B Be sure to install the lamp unit
and the air outlet port securely. 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.
NOTE:
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 air outlet
port are securely installed. Then
turn the MAIN POWER switch
back on.
) Press the POWER button so
that a picture is projected onto
the screen.
* Press the MENU button to
display the MENU screen, and
select "OPTION" by pressing
the I I or H H buttons.
+ Press the ENTER button and
select the "LAMP RUN TIME" by
pressing the F or G buttons.
, Press and hold the ENTER
button for approximately 3
seconds.
The "Lamp Time Reset" will be
displayed.
- Select "OK" by pressing the
I I or H H buttons and press the
ENTER button.
NOTE:
B If "CANCEL" is selected in step
- , the operation for resetting the
lamp time will be cancelled.
. Turn off the power.
This will reset the cumulative
usage time for the lamp unit to
zero.
Refer to steps % and & on page
31 for details on how to turn off
the power.
67