Panasonic LCD Projector PT-L720U PT-L520U Operating Instructions

41
Advanced OperationAdvanced Operation
40Use the Fand Gbuttons on the
projector or remote control unit to
select an item, then press the Ior
Hbuttons to change the setting.OSDON
The current input name is displayed
in the top-right corner of the screen
when the input signal is changed.
OFF
Use this setting when you do not
want the current input name to be
displayed.AUTO KEYSTNThis should normally be set to ON.
ON
During automatic setup, the angle of
tilt of the projector is detected and
keystone...

43
Advanced Operation
42Changing the display languageUse the Fand Gbuttons on the projector or remote control unit to select a
language, then press the ENTER button to accept the setting.
Indicates the language which is
currently set   LANGUAGE    ENGLISH
ENGLISH
DEUTSCH
FRANÇAIS
ESPAÑOL
ITALIANO
  SELECT  ENTER   ESCUsing the shutter functionThe shutter function can be used to momentarily turn off the picture and
sound from the projector when the projector is not being used for short
periods of time,...

45
Advanced Operation
44Using the SERIAL connectorThe serial connector which is on the side connector panel of the projector
conforms to the RS-232C interface specification, so that the projector can be
controlled by a personal computer which is connected to this connector.ConnectionNOTE:
BUse a proper communication
cable which is suitable for the
personal computer to connect the
serial connector and the personal
computer.Pin layout and signal
names for SERIAL
connector
D-Sub9p (male)
Communication cable...

47
Others
46IndicatorsThere are two indicators on the control panel of the projector which give
information about the operating condition of the projector. These indicators
illuminate or flash to warn you about problems that have occurred inside the
projector, so if you notice that one of the indicators is on, turn off the power
and check the table below for the cause of the problem.ProblemIndicator
display
Flashing (red)
(Lamp unit on)
The surrounding
temperature or the
temperature inside
the projector...

49
Others
48
Replacing the lamp unitWarningWhen replacing the lamp, allow it
to cool for at least one hour
before handling it.
BThe lamp cover gets very hot,
and contact with it can cause
burns.Notes on replacing the
lamp unitBThe light generating lamp is
made of glass, so dropping it or
allowing it to hit hard objects may
cause it to burst. Be careful when
handling the lamp.
BAfter having removed the old
lamp, carelessly discarding it can
cause the lamp to burst. Dispose
of the lamp with the same care...

51
Others
50Lamp unit replacement procedureNOTE:
BIf 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.
#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...

53
Others
52
The remote control
unit does not
operate.The buttons on the
projector do not
function.
The picture does not
display correctly.Picture from
computer does not
appear.
Before calling for serviceBefore calling for service, check the following points.
Problem Possible cause
Power does not
turn on.
No picture appears.
The picture is
fuzzy.COLOR is too light or
TINT is poor.No sound can be
heard.BThe power cord may not be connected.
BThe MAIN POWER switch is turned off.
BThe main power supply is...

55
Others
54
Connectors
RGB IN/OUT: Dual-line D-SUB HD 15-pin (female)
(One-line is available for input and output)
During YP
BPRinput/output:
Y: 1.0 V [p-p], 75 Ω
P
B,PR: 0.7 V [p-p], 75 Ω
During RGB input/output:
R.G.B.: 0.7 V [p-p], 75 Ω
G.SYNC: 1.0 V [p-p], 75 Ω
HD/SYNC: TTL high impedance, automatic
plus/minus polarity compatible
VD: TTL high impedance, automatic
plus/minus polarity compatible
AUDIO IN (for RGB): Single-line 0.5 V [rms] M3 jack (Stereo
MINI)
VIDEO IN: Single-line, RCA pin jack
1.0 V...

57
Others
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Dimensions

9.6(3/8)245(9-5/8)
55(2-5/32)
5(3/16)118(4-5/8)
341(13-13/32)
291.2(11-15/32)
List of compatible signals*1 The “i” appearing after the resolution indicates an interlaced signal.
*2 The following symbols are used to indicate picture quality.
AA Maximum picture quality can be obtained.
A Signals are converted by the image processing circuit before picture
is projected
B Some loss of data occurs to make projection easier.
C Picture cannot be projected.
*3 Signals with “OK” in the...

59
Others
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ATTENTION:Cet appareil est équipé d’une fiche
de courant à trois broches avec
mise à la terre. Ne pas retirer la
broche de mise à la masse de la
fiche. 
Cette fiche ne pourra être utilisée que dans une prise avec
mise à la terre. Ceci est une précaution sécuritaire. S’il est
impossible d’insérer la fiche dans la prise, s’adresser à un
électricien. Ne pas annuler la protection de la fiche à mise à
la terre.Ne pas retirerNOTES IMPORTANTES
CONCERNANT LA SÉCURITÉ
Le symbole de la flèche en forme...