Panasonic LCD Projector Pt Tw343 Operating Instructions

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Technical Information
Using the PJLink protocol
The network function of the projector supports PJLink class 1, and the PJLink protocol can be used to perform projector setting 
and projector status query operations from a computer.
Control commands 
The following table lists the PJLink protocol commands that can be used to control the projector.
 fx characters in tables are non-specific characters.
CommandControl detailsParameter / return stringRemark
POWRPower supply control01StandbyPower on
POWR ?Power supply status query
0123
StandbyPower onCool-down in progressWarm-up in progress
INPTInput selection
11RGB1
12RGB2
21VIDEO
INPT ?Input selection query
22S-VIDEO
23COMPONENT
31HDMI
41MEMORY VIEWER
51USB DISPLAY
52NETWORK
AVMTAV mute/Mute control
10Video mute off
11Video mute off
20Audio mute off
AVMT ?AV mute/Mute status query
21Audio mute off
30AV mute off
31AV mute off
ERST ?Error status query××××××
1st byteFixed at 0 f0 = No error known  f1 = Warning  f2 = Error2nd byteIndicates lamp errors, range 0 – 2
3rd byteIndicates temperature errors, range 0 – 2
4th byteFixed at 0
5th byteFixed at 0
6th byteFixed at 0
LAMP ?Lamp status query××××××××××××1st digits (1 – 5 digits) : Lamp cumulative operating time2nd digit : 0 = Lamp off, 1 = Lamp on
INST ?Input selection list query11 12 21 22 23 31 41 51 52
NAME ?Projector name queryPROJECTOR
INF1 ?Manufacturer name queryPanasonicReturns manufacturer name.
INF2 ?Model name queryTW343RReturns model name.
INF0 ?Other information query×××××Returns information such as version number.
CLSS ?Class information query1Returns class for PJLink.
PJLink security authentication
The password used for PJLink is the same as that of the password set for web control.
When using the projector without security authentication, do not set a password for web control.
 fFor specifications related to PJLink, refer to the website of Japan Business Machine and Information System Industries Association.
URL http://pjlink.jbmia.or.jp/english/
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 terminal
The  terminal of the projector conforms with RS-232C so that the projector can be connected to and controlled 
from a computer.
Connection
Pin assignments and signal names
D-Sub 9-pin (female)
Outside viewPin No.Signal nameContents
—NC
TXDTransmitted data
RXDReceived data
—NC
GNDEarth
—NC
CTSConnected internallyRTS
—NC
Communication conditions (Factory default)
Signal levelRS-232C-compliant
Sync. methodAsynchronous
Baud rate19 200 bps
ParityNone
Character length8 bits
Stop bit1 bit
X parameterNone
S parameterNone
Connecting terminals on projector
D-Sub 9p (female)Computer
Communication cable (straight)D-Sub 9p (male)
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Basic format
Transmission from the computer starts with STX, then the command, parameter, and ETX are sent in this order. Add 
parameters according to the details of control. 
STXC1C2 C3 : P1 P2Pn ETX
Start (1 byte) 3 command characters (3 bytes) Colon(1 byte)
Parameter (undefined length) End (1 byte)
Basic format (with sub command)
S1S2S3S4S5 EP1P2P3P4P5P6
STX C1C2C3 :  ETX
Same as basic format
Sub command (5 bytes) Operation (1 byte)
“=” (Value specified using parameter is set)Parameter (6 bytes)*
1
Symbol “+” or “-” (1 byte) and set value or ad
-
justment value (5 bytes)
*1 When transmitting a command which does not need a parameter, the operation (E) and parameter are not necessary.
Attention
 fIf a command is transmitted after the lamp starts illuminating, there ma\
y be a delay in response or the command may not be 
executed. Try sending or receiving any command after 60 seconds.
 fWhen transmitting multiple commands, be sure to wait until 0.5 seconds has elapsed after receiving the response from the 
projector before sending the next command. When transmitting a command which does not need a parameter , a colon (:) is 
not necessary.
Note
 fIf a command cannot be executed, the “ER401” response is sent from the projector to the computer.
 fIf an invalid parameter is sent, the “ER402” response is sent from the projector to the computer.
 fSTX and ETX are character codes. STX shown in hexadecimal is 02, and ETX shown in hexadecimal is 03.
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Cable specifications
[When connected to a computer] 
Projector
( terminal)
1NCNC1
Computer
(DTE specifications)
22334NCNC4556NCNC677889NCNC9
Control commands
When controlling the projector from a computer, the following commands are available.
 rProjector control command
CommandControl contentsParameter/return stringRemark (parameter)
PONPower on―To check if the power is on, use the “Power 
query” command.POFPower standby
IISSwitching the input 
signal
VIDVIDEO
SVDS-VIDEO
RG1RGB1
RG2RGB2
HD1HDMI
CP1COMPONENT
MV1MEMORY VIEWER
UD1USB DISPLAY
NWPNETWORK
AUUVolume up
AUDVolume down
OSHAV mute function―Sending the command switches on/off. Do not 
switch on/off in a short period of time.
AMTMute function0Off
1On
QPWPower query000Standby
001Power on
Q$SLamp condition query
0
1
2
3
Stand-by
Lamp ON control active
Lamp ON
Lamp OFF control active
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List of compatible signals
The following table specifies the type of signals compatible with the projectors.
 fSymbols that indicate formats are as follows. 
V = VIDEO/S-VIDEO, R = RGB, Y = YCBCR/YPBPR, H = HDMI
ModeDisplay resolution
(dots)
Scanning frequencyDot clock frequency (MHz)Format*1
PnP *2
H (kHz)V (Hz)Computer 1/ 
Computer 2HDMI
NTSC/NTSC4.43/
PAL-M/PAL60720 x 480i15.759.9--V----
PAL/PAL-N/
SECAM720 x 576i15.650.0--V----
525i (480i)720 x 480i15.759.913.5R/Y----
625i (576i)720 x 576i15.650.013.5R/Y----
525i (480i)720 (1 440) x 480i*315.759.927.0H--l
625i (576i)720 (1 440) x 576i*315.650.027.0H--l
525p (480p)720 x 48331.559.927.0R/Y/H--l
625p (576p)720 x 57631.350.027.0R/Y/H--l
750 (720) /60p1 280 x 72045.060.074.3R/Y/H--l
750 (720) /50p1 280 x 72037.550.074.3R/Y/H--l
1125 (1080) /60i1 920 x 1 080i33.860.074.3R/Y/H--l
1125 (1080) /50i1 920 x 1 080i28.150.074.3R/Y/H--l
1125 (1080) /24p1 920 x 1 08027.024.074.3R/Y/H--l
1125 (1080) /24sF1 920 x 1 080i27.048.074.3R/Y/H----
1125 (1080) /25p1 920 x 1 08028.125.074.3R/Y/H----
1125 (1080) /30p1 920 x 1 08033.830.074.3R/Y/H----
1125 (1080) /60p1 920 x 1 08067.560.0148.5R/Y/H--l
1125 (1080) /50p1 920 x 1 08056.350.0148.5R/Y/H--l
VGA
640 x 48031.559.925.2R/Hll
640 x 48035.066.730.2R/H----
640 x 48037.972.831.5R/Hll
640 x 48037.575.031.5R/Hll
640 x 48043.385.036.0R/H----
SVGA
800 x 60035.256.336.0R/Hll
800 x 60037.960.340.0R/Hll
800 x 60048.172.250.0R/Hll
800 x 60046.975.049.5R/Hll
800 x 60053.785.156.3R/H----
MAC 16832 x 62449.774.657.3R/Hll
XGA
1 024 x 76848.460.065.0R/Hll
1 024 x 76856.570.175.0R/Hll
1 024 x 76860.075.078.8R/Hll
1 024 x 76868.785.094.5R/H----
1152 x 8641 152 x 86467.575.0108.0R/H----
MAC 211 152 x 87068.775.1100.0R/Hll
1280 x 7201 280 x 72037.149.860.5R/H----
1 280 x 72044.859.974.5R/H----
1280 x 768
1 280 x 76847.859.979.5R/H----
1 280 x 76860.374.9102.3R/H----
1 280 x 76868.684.8117.5R/H----
1280 x 800
1 280 x 80041.350.068.0R/H----
1 280 x 80049.759.883.5R/Hll
1 280 x 80062.874.9106.5R/H----
1 280 x 80071.684.9122.5R/H----
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ModeDisplay resolution
(dots)
Scanning frequencyDot clock frequency (MHz)Format*1
PnP *2
H (kHz)V (Hz)Computer 1/ 
Computer 2HDMI
1280 x 9601 280 x 96060.060.0108.0R/Hll
SXGA
1 280 x 1 02464.060.0108.0R/Hll
1 280 x 1 02480.075.0135.0R/Hll
1 280 x 1 02491.185.0157.5R/H----
1366 x 7681 366 x 76839.649.969.0R/H----
1 366 x 76847.759.885.5R/H----
1400 x 10501 400 x 1 05065.360.0121.8R/H----
1 400 x 1 05082.374.9156.0R/H----
1440 x 9001 440 x 90055.959.9106.5R/H----
1600 x 9001 600 x 90055.960.0119.0R/H----
1 600 x 900*460.060.0108.0R/Hll
UXGA1 600 x 1 20075.060.0162.0R/Hll
1680 x 10501 680 x 1 05065.360.0146.3R/H----
1920 x 10801 920 x 1 080*466.659.9138.5R/H----
WUXGA1 920 x 1 200*474.060.0154.0R/H----
*1  terminal is only for RGB signals input.
*2 Where marked “l” signals indicates in Plug and Play is compatible with EDID of projector. Unmarked signals in Plug and 
Play may also be compliant if input terminals are written in the format list. Where Plug and Play is unmarked and nothing is 
written in the format list, difficulties in projecting image may occur even when computer and projector appear to have same 
resolution. 
*3 Pixel-Repetition signal (dot clock frequency 27.0 MHz) only.
*4 VESA CVT-RB (Reduced Blanking)-compliant.
Note
 fThe number of display dots is 1 280 x 800. 
A signal with a different resolution will be projected after converting the resolution to m\
atch the projector display.
 f“i” added to the resolution value indicates an interlaced signal.
 fWhen interlaced signals are connected, flicker may occur on the projected image.
 fThe image may not be displayed in full screen according to the computer \
output setting.
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Specifications
The specifications of the projector are as follows.
Power supply100 V - 240 V  (100 V - 240 V alternating current), 50 Hz/60 Hz
Power consumption
 3.5 A, 300 W
In standby mode (when [Standby mode] is set to [Eco]): 0.5 W
In standby mode (when [Standby mode] is set to [Normal]): 6 W
LCD 
panel
Panel size1.5 cm (0.59") (aspect ratio 16 : 10)
Display method3 transparent LCD panels (RGB)
Drive methodActive matrix method
Pixels1 024 000 pixels (1 280 x 800 dots) x 3 panels
LensZoomFixed-focus
FocusF 1.8, f 6.08 mm 
Luminous lamp230 W UHM lamp 
Light output *13 300 lm 
Contrast ratio *112 000 : 1 (When [Lamp control] is set to [  (Normal)], [Image mode] is set to [Dynamic] 
and [Iris] is set to [On].)
Appli-
cable 
scanning 
frequen-
cy *2
for Video signal 
(including  
S-video)
Horizontal : 15.73 kHz, Vertical : 59.94 Hz
Horizontal : 15.63 kHz, Vertical : 50.00 Hz
for RGB signalHorizontal 15 kHz - 91 kHz, Vertical 24 Hz - 85 Hz
Dot clock frequency: 162 MHz or less
for YPBPR signal
525i(480i) Horizontal 15.73 kHz, Vertical 59.94 Hz
625i(576i) Horizontal 15.63 kHz, Vertical 50 Hz
525p(480p) Horizontal 31.47 kHz, Vertical 59.94 Hz
625p(576p) Horizontal 31.25 kHz, Vertical 50 Hz
750(720)/60p Horizontal 45.00 kHz, Vertical 60 Hz
750(720)/50p Horizontal 37.50 kHz, Vertical 50 Hz
1125(1080)/60i Horizontal 33.75 kHz, Vertical 60 Hz
1125(1080)/50i Horizontal 28.13 kHz, Vertical 50 Hz
1125(1080)/60p Horizontal 67.50 kHz, Vertical 60 Hz
1125(1080)/50p Horizontal 56.25 kHz, Vertical 50 Hz
1125(1080)/24p Horizontal 27.00 kHz, Vertical 24 Hz
1125(1080)/24sF Horizontal 27.00 kHz, Vertical 48 Hz
1125(1080)/25p Horizontal 28.13 kHz, Vertical 25 Hz
1125(1080)/30p Horizontal 33.75 kHz, Vertical 30 Hz
for HDMI signal
525i(480i)*3, 625i(576i)*3, 525p(480p), 625p(576p), 750(720)/60p, 750(720)/50p, 
1125(1080)/24p, 1125(1080)/24sF, 1125(1080)/25p, 1125(1080)/30p, 1125(1080)/60p,  
1125(1080)/50p, 1125(1080)/60i, 1125(1080)/50i
Displayable resolution: VGA - WUXGA (non-interlace)
Dot clock frequency: 25 MHz to 162 MHz  
Color system7 (NTSC, NTSC4.43, PAL, PAL-N, PAL-M, SECAM, PAL60)
Projection size1.27 m -2.54 m (50"-100")
Screen aspect ratio16 : 10
Projection scheme[Front], [Rear], [Ceiling/Front], [Ceiling/Rear] (Menu setting system)  
Built-in speaker10 W (monaural) x 1
*1 Measurement, measuring conditions and method of notation all comply with ISO21 118 international standards.
*2 For details of video signals that can be projected using this projector, refer to “List of compatible signals”.  
(x page 105)
*3 Pixel-Repetition signal (dot clock frequency 27.0 MHz) only
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Termi-
nals

1 (High-density D-sub 15 pin female)
[RGB signal] 0.7 V [p-p] 75 Ω
 HD/SYNC TTL high impedance, automatic positive/negative polarity compatible
 VD TTL high impedance, automatic positive/negative polarity compatible
 (HD/SYNC and VD do not support 3 value SYNC.)
[YPBPR signal] Y: 1.0 V [p-p] including synchronization signal, PBPR: 0.7 V [p-p] 75 Ω
[Y/C signal]  Y: 1.0 V [p-p] C: 0.286 V [p-p] 75 Ω S1 signal compatible

1 (High-density D-sub 15 pin female)
[RGB signal] 0.7 V [p-p] 75 Ω
 HD/SYNC TTL high impedance, automatic positive/negative polarity compatible
 VD TTL high impedance, automatic positive/negative polarity compatible
 (HD/SYNC and VD do not support 3 value SYNC.)

1 (High-density D-sub 15 pin female)
[RGB signal] 0.7 V [p-p] 75 Ω
 HD/SYNC TTL high impedance, positive/negative polarity compatible
 VD TTL high impedance, positive/negative polarity compatible
1 (Pin jack 1.0 V [p-p] 75 Ω)
1 (HDMI 19 pin, HDCP and Deep color compatible)
Audio signals: Linear PCM (Sampling frequency: 48 kHz/44.1 kHz/32 kHz)
1 (M3 stereo mini jack, 0.5 V [rms], input impedance 22 kΩ and more)
1 (Pin jack x 2 (L-R), 0.5 V [rms], input impedance 22 kΩ and more)

1 (M3 stereo mini jack, stereo monitor output compatible,
0 V [rms] to 2.0 V [rms] variable, output impedance 2.2 kΩ and less)

USB connector (type A x 1, output DC 5 V, 500 mA maximum)
Memory Viewer / Wireless module (Model No.: ET-WML100) compatible
USB connector (type B x 1), only for USB Display 
1 (D-sub 9 pin, RS-232C compliant, for computer control use)
1 (for RJ-45 network connection, PJLink compatible, 10Base-T/100Base-TX)
1 (Mini USB connector for interactive function)
Power cable length3.0 m (118-3/32") 
CabinetMolded plastic
Dimensions
Width: 335 mm (13-3/16")
Height: 134.1 mm (5-9/32") (when adjustable feet shortened)
Depth: 329 mm (12-15/16") 
WeightApprox.3.9 kg (8.60 lbs.)  *4
Noise level *5When set to [  (Normal)] in [Lamp control] : 37 dB
When set to [  (Eco 1)] in [Lamp control] : 33 dB
When set to [  (Eco 2)] in [Lamp control] : 28 dB
Operating 
environ-
ment
Operating  
environment 
temperature *6
5 °C (41 °F) to 40 °C (104 °F) (Elevation: below 1 400 m (4 593'); [High land]: [Of f])
5 °C (41 °F) to 35 °C (95 °F) (Elevation: 1 400 m (4 593') ~ 2 700 m (8 858'); [High land]: [On 1])
5 °C (41 °F) to 30 °C (86 °F) (Elevation: 2 700 m (8 858') ~ 3 000 m (9 843'); [High land]: [On 2])
Operating  
environment 
humidity
20 % to 80 % (no condensation)
Remote 
control
Power supplyDC 3 V (AAA/R03/LR03 battery x 2)
Operating rangeApprox. 5 m (16'4-13/16") (when operated directly in front of receptor)
Weight63 g (2.22 ozs.) (including batteries)
DimensionsWidth : 44 mm (1-23/32"), Length : 105 mm (4-1/8"), Height :20.5 mm (13/16")
*4 This is an average value. It may differ depending on individual product.
*5 Measurement, measuring conditions and method of notation all comply with ISO21 118 international standards.
*6 [Lamp control] will be switched to [ (Eco 1)] automatically when [High land] is set to [Off] and the operating environment 
temperature is 35 °C to 40 °C. 
[Lamp control] will be switched to [ (Eco 1)] automatically when [High land] is set to [On 1] or [On 2] and the operating 
environment temperature is 30 °C to 35 °C.
Note
 fThe part numbers of accessories and separately sold components are subje\
ct to change without notice.
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Dimensions
 
63 (2-15/32)57 (2-1/4)
68.5 (2-11/16)
335 (13-3/16) 124.3 (4-29/32)
329 (12-15/16)
9.8 (12/32)
97 (3-13/16)
87.5 (3-7/16)
134.1 (5-9/32)
167.5 (6-19/32)
 Actual dimension may differ by product.
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Ceiling mount bracket safeguards
 fWhen installing the projector to a ceiling, be sure to use the specified optional Ceiling Mount Bracket for Projectors. 
Model No.: ET-PKL100H (for high ceilings), ET-PKL100S (for low ceilings), ET-PKL430B (Projector Mount Bracket)
 fWhen installing the projector, attach the drop-prevention kit included with the Ceiling Mount Bracket for Projectors.
 fAsk a qualified technician to do the installation work such as mounting the projector on the ceiling.
 fPanasonic takes no responsibility for any damage to the projector result\
ing from use of a ceiling mount bracket not 
manufactured by Panasonic or the inappropriate choice of location for in\
stallation, even if the warranty period of the projector 
has not expired.
 fUnused products must be removed promptly by a qualified technician.
 fUse a torque screwdriver or Allen torque wrench to tighten bolts to their specified tightening torques. Do not use electric 
screwdrivers or impact screwdrivers.
 fRead the Installation Instructions for the Ceiling Mount Bracket for Projectors for details.
 fThe model numbers of accessories and optional accessories are subject to\
 change without prior notice.
Bottom View
M4 × 0.7
10 mm (13/32")
Torque: M4 1.25 ± 0.2 N·m
Model No. of Ceiling mount bracket: ET-PKL100H (for high ceilings) ET-PKL100S (for low ceilings)  ET-PKL430B (Projector mount bracket)
Chapter 7   Appendix - Ceiling mount bracket safeguards