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Panasonic DT-M3050W Service Manual page 13

Color video/data monitor, h05f-2 chassis
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•,•
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Selecting
the
system
format
This operation can be carried out ~ LINE has been selected using the input selection buttons and video signals
{including S·Video signals) are being reoeived, or
W
external control mod& is set and video signalS are being input
to the high-densityO-1iub 15-pin MULTI
IN
connector.
The TV SYSTEM button on the remote control un~ or monitor control panel can then be used to switch the video
signal circu~s to match tM format of the video signals being input to the VIDEO IN or S-VIDEO IN connectors or
tile MULTI IN connector.
IRemllt&
con~ol
un~ I
T~
or
Monilor
coml'lll
pml
~
SYSTEM
The mode switches in the order "AUTO"-+ 'PAC' .... "SECAM"-+ "NTSC 4.43"-+ "NTSC" each
time the TV SYSTEM button on the remote control unit or monitor control panel is pressed.
The format should normaJly be left at the "AUTO" setting.
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NOTE:
When the system format is set to "AUTO", the monitor automatically detects whether the signal being input is a
PAL, SECAM, NTSC 4.43 or NTSC signal, and it then displays the name of the signal format on the screen.
Furthermore, if a black-and-white signal is being input, "MONO" is displayed on the screen.
The current setting is displayed the first time the TV SYSTEM button is pressed, and the mode switches when
the button is pressed after that.
If the ON SCREEN button has been set to OFF, the on-screen display will disappear if no buttons are pressed
within approximately 3 seconds.
If there is a lot of noise in the input signal, or if the signal level is low, the picture may not stab i I ize when • AUTO'
is selected. In such cases, select the input signal format manually.
Woat
are tne different system formats?
NTSC .......................... This format is used mainly in Japan and North and South America. It comprises 525
scanning lines, and the screen is refreshed 30 times a second. The horizontal scanning
frequency is 15.75 kHz and the color sub·can-ier is frequency 3.58 MHz.
NTSC 4.43 ................. -This resembles the NTSC format. but uses a color sub•carrier frequency of 4.43 MHz.
PAL, SECAM··•··· .. ••• .. ·•These formats are used most widely in Europe, Afrk:a ancf the Middle East. They
comprise 625 scanning lines, and 1he scteen is refreshed 25 times a second_. The
horizontal scanning frequency is 15.625 MHz, and the color sub-carrier frequency is
4.43 MHz {PAL) and 4.25 MHz or 4.41 MHz (SECAM).
.
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A~justing the picture
Setting the adjustment mode
A..j,ote oonl!ol
un~
I
~
Of
Moolor eootl'lll
panetj
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PICTURE
The adjustment mode switches in the order "COLOR" - "TINT"
"BRIGHT"-+ "CONTRAST"--+ "SHARPNESS'' each time the
PICTURE button on the remote control unit or monttor control
panel is pressed.
coLoR
a~ust~nt mode TINT adjustment mode BRIGHT adjustment mode COIITIIASr
lCplrnerll mode SI\IJlPNESS~rlHI!
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hen RGB signals are being input, only BRIGHT adjustment mode and CONTRAST adjustment mode are
d
layed.
hen video signals in PAL or SECAM format are being input, TINT adjustment mode is .not displayed.
If the
ON SCREEN button has been set to OFF, the on·screen display will disappear and the adjustment mode
ill
be canceled if no buttons are pressed within approximately 3 seconds.
T
e last adjustment mode used is displayed the first time the PICTURE button is pressed, and the mode
s Itches when the button is pressed alter that.
king
adjustments
ce a picture adjustment mode is being displayed, the V and",._• picture adjustment buttons can be used to
djust the picture.
ress the PICTURE button until the desired
2.
Press the
V
and.,,.. picture adjustment
djustment mode is displayed.
bllttons to adjust the picture.
.
.
'"" .... increases the adjustment value
Ex
mple:
Ad1ust1ng COLOR
v ...
:oecraases the adjustment value
Re otecontrol unit
I""'"
'_J ]
, __
conlroli.ilt
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00
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~
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-
~
m
i
II
ltor control panel •
Monitor
control pond
:
,
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~-
);r-Jd
:
_
_J
PICTURE
< .. :~
Adj~tment
value display
Direction of adjustment level change and standard value for each adjustment mode
M' mrimode Direction of change and standard value
AdjllSlmenlmwe
Direction of change and standard value
LOR
A···•Theco~rbecome,;inlense
Sia
dad
1
·0
CONTRAST -'·"•Thepi;jurebecomesstronger
SlardlJll,wue:tOO
v .... The cctn becomes
paslel
n r va ue.
v •· .. The p~lure becomes fainlel (121 d.mng LINE inPlll)j
~INT
B~IGHT
NO
:
,-, •••·Flesh tones became ri,-een~h
v .... flash tones become reddish StaJlilard
value:
0
/\"···Th! screen becomes brighter
V •· ..
The screen beoomes datker Sia ndard ,alue: 0
SHAR?NESS
" .... The pici11Ie
b«ome1 sharper
v ....
The pictuIe beccmes ,otter
Standardv,lue:
0
(50
durirr, LIN!:
in,u)
If he ON SCREEN button has been set to OFF, the on-screen diSplay will disappear and the adjustment mode
wi
I
be canceled
~
no buttons are pressed within approximately 3 seconds.
l
T e adjustment level ranges are O - 127 far SHARPNESS and CONTRAST adjustment modes, and-64 - -H:l3 for
al olher adjustment modes.
A
j
ustments cannot be carried out
d
the PIC STD button has been pressed so 1hat STAN OARD is being displayed.
C
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(11
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