Panasonic LCD Projector Pt Vx42 Operating Instructions

Lamp cover
Lamp cover fixing screw
3) Use a Phillips screwdriver to loosen the three lamp unit fixing screws (\
×3) until they turn freely.
4) Hold the used lamp unit by its handles, and pull it gently from the proj\
ector.
Lamp unit fixing screwsHandles
5) Insert the new lamp unit in correct direction. Tighten the three lamp unit fixing screws (×3) securely 
with a Phillips screwdriver.
 fWhen you experience difficulty in installing the lamp unit, remove it and try again. If you use force to install the...

Troubleshooting
Please check following points. For details, see the corresponding pages.
ProblemCauseReference 
page
Power does not turn on.
 fThe power cord may not be connected.
 fNo electric supply is at the wall outlet.
 fThe circuit breakers have tripped.
 fIs the lamp indicator  or temperature indicator  lit or blin\
king?
 fThe lamp cover has not been securely installed.
—
—
—
127
130
No picture appears.
 fAre connections to external devices correctly performed?
 fThe input selection setting may...

Attention
 fIf the problem persists, after confirming the contents of the table, please consult your dealer.
ENGLISH - 133
Chapter 6   Maintenance - Troubleshooting  

FA Q
Please refer to the following items if you have problems with the wirele\
ss LAN connection.
The wireless LAN connection is interrupted suddenly.
 fThe picture may be distorted by the radio wave environment. In such case\
s, please try the following measures. - Please make the wireless LAN connection device close to the projector. -  Place away from devices that can emit electromagnetic radiation, such as microwave ovens, game machines. Do not use these devices if you are still unable to solve the...

Chapter 7   Appendix
This chapter describes specifications and after-sales service for the projector.
ENGLISH - 135  

Technical Information
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 control0
1
Standby
Power on
POWR ?Power supply...

Control commands via LAN
When WEB Control administrator rights password is set (Protect mode)
Connection method 
1) Obtain the IP address and port number (Initial set value = 1 024) of the projector \
and make a request 
for connection to the projector.
 fAcquire the IP address from the menu screen of the projector, and the port number from the WEB control page.
IP address :Obtain from MAIN MENU → [NETWORK/USB] → [STATUS]
Port No. :Acquire from the WEB control → [Detailed set up] → [Command port set up]...

When WEB Control administrator rights password is not set (Non-protect \
mode)
Connection method 
1) Obtain the IP address and port number (Initial set value = 1 024) of the projector \
and make a request 
for connection to the projector.
 fAcquire the IP address from the menu screen of the projector, and the port number from the WEB control page.
IP address :Obtain from main menu → [NETWORK/USB] → [STATUS]
Port No. :Acquire from the WEB control → [Detailed set up] → [Command port set up] page
2) There...

 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 rate9 600 bps
ParityNone
Character length8 bits
Stop bit1 bit
X...

Basic format
Transmission from the computer starts with STX, then the ID, command, parameter, and ETX are sent in this order. Add 
parameters according to the details of control.
STXAD I1I2 ;C1C2 C3 : P1 P2Pn ETX
Basic format (with sub command)
S1S2S3S4S5 EP1P2P3P4P5P6
STX AD I1I2 ;C1C2C3 :  ETX
Same as basic format
Sub command (5 bytes) Operation (1 byte)*
1
“=” (Value specified using parameter is set)Parameter (6 bytes)*
1
Symbol “+” or “-” (1 byte) and set value or ad
-
justment value (5 bytes)
*1...