Panasonic Full Hd Lcd Display Th 42lf20 Operating Instructions

HDMI connection
DVI-D IN connection
[Pin assignments and signal names]
1931
4218
Note: 
Additional equipment and HDMI cable shown are not supplied with this set\
.
Pin No.Signal NamePin No.Signal Name
1T.M.D.S Data2+11T.M.D.S Clock 
Shield
2T.M.D.S Data2 
Shield12T.M.D.S Clock-
3T.M.D.S Data2-13CEC
4T.M.D.S Data1+14Reserved 
(N.C. on device)
5T.M.D.S Data1 
Shield
6T.M.D.S Data1-15SCL
7T.M.D.S Data0+16SDA
8T.M.D.S Data0 
Shield17DDC/CEC 
Ground
9T.M.D.S Data0-18+5V Power
10T.M.D.S Clock+19Hot Plug...

12
PC Input Terminals connection
Notes:
•  Computer signals which can be input are those with a horizontal scanning\
 frequency of 30 to 110 kHz and vertical scanning frequency of 48 to 120 Hz. (However, the image will not be displayed properly if the signals exceed 1,200 l\
ines.)
•  The display resolution is a maximum of 1,440 × 1,080 dots when the as\
pect mode is set to “4:3”, and 1,920 × 1,080 dots   when the aspect mode is set to “FULL”. If the display resolution e\
xceeds these maximums, it may...

6 7 8 9 
1 3 4 5 2 
13
Connections
SERIAL Terminals connection
Notes:
•  Use the RS-232C straight cable to connect the computer 
to the Display.
•  The computer shown is for example purposes only.
•  Additional equipment and cables shown are not supplied  with this set.
The SERIAL terminal conforms to the RS-232C interface 
speci fi cation, so that the Display can be controlled by a 
computer which is connected to this terminal.
The computer will require software which allows the 
sending and receiving...

POWER
Power switch
14
Power Indicator
Remote Control Sensor
Power ON / OFF
Connecting the AC cord plug to the Display.
Connecting the plug to the Wall Outlet.
Note: 
When disconnecting the AC cord, be absolutely sure to 
disconnect the AC cord plug at the socket outlet fi rst.
Press the Power switch on the Display to turn the set on: 
Power-On. Power Indicator: Green
Press the  button on the remote control to turn the Display off.
Power Indicator: Red (standby) 
Press the  button on the remote control to...

PRESENT TIME SETUP
PRESENT TIME OF DAY    MON  99 : 99SET
PRESENT TIME OF DAY99 : 99DAY MON
PRESENT TIME SETUP
PRESENT TIME OF DAY    MON  99 : 99
SET
PRESENT TIME OF DAY10 : 00DAY TUE
English (UK) 
Deutsch 
Français   
Italiano 
 
Español 
 
ENGLISH (US) 
Русский  
OSD LANGUAGE
PC
FULL
15
From the second time on, the below screen is displayed for a while (set\
ting condition is an example). When fi rst switching on the unit
Following screen will be displayed when the unit is turned on for the  fi rst...

16
Selecting the input signal
Press to select the input signal to be played back from the equipment wh\
ich 
has been connected to the Display.
Input signals will change as follows:PC HDMI1 HDMI2 Component*
VIDEODVI
PC: PC input terminal in PC IN.
DVI: DVI input terminal in DVI-D IN.
HDMI1: HDMI input terminal in AV IN (HDMI1).
HDMI2: HDMI input terminal in AV IN (HDMI2).
VIDEO: Video input terminal in AV IN (VIDEO/S-VIDEO).
Component*: Component or RGB input terminal in COMPONENT/RGB IN.
*  “Component”...

POWER
17
Basic Controls
MENU Screen ON / OFF
Each time the MENU button is pressed, the menu screen 
will switch. (see page 21)Normal Viewing PICTURE SET UP SOUND POS. /SIZE
Volume Adjustment
Volume Up “+” Down “–” 
When the menu screen is displayed:
“+” : press to move the cursor up 
“–” : press to move the cursor down
(see page 21)
Remote control 
sensor
Main Power On / Off Switch
Speakers
Brightness Sensor
Detects the brightness in the viewing 
environment.
Main Unit
Power Indicator
The Power...

18
Basic Controls
Standby (ON / OFF) button
The Display must fi rst be plugged into 
the wall outlet and turned on at the power 
switch (see page 14).
Press this button to turn the Display On, 
from Standby mode. Press it again to turn 
the Display Off to Standby mode.
ACTION button
Press to make selections.
ASPECT button
Press to adjust the aspect. 
(see page 19)
POS. /SIZE button 
(see page 23)
PICTURE button  
(see page 25)
Sound mute On / Off  
Press this button to mute the sound.
Press again to...

19
ASPECT Controls
The Display will allow you to enjoy viewing the picture at its maximum s\
ize, including wide screen cinema format 
picture.Press repeatedly to move through the aspect options:The aspect mode changes each time the ENTER button is pressed.
[from the unit]
Note:
The aspect mode is memorized separately for each input terminal. Note: 
Be aware that if you put the display in a public place for commercial pu\
rposes or a public showing and 
then use the aspect mode select function to shrink...

2 
EXIT
2
1
EXIT 
× 1× 2× 3× 4
20
Digital Zoom
This displays an enlargement of the designated part of the displayed ima\
ge.
Select the area of the image to be enlarged. Press on the enlargement location to select.
Return to normal display (quit Digital Zoom). Press to exit from the Digital Zoom.
Notes:
•  When power goes OFF (including “Off Timer” operation), Digital Zoom terminates.
•  The Digital Zoom function cannot be selected while in the following oper\
ation state:
  When MULTI DISPLAY SETUP is...