Panasonic DLP Projector PT-DZ770U PT-DZ770UL Operating Instructions

Troubleshooting
ENGLISH - 111
Maintenance
ProblemsPoints to be checked Page
The buttons on the 
control panel do not 
operate.
 z Is the [CONTROL

 PANEL] setting in [CONTROL DEVICE SETUP] set to 
[DISABLE]? 82
 z
Is the  terminal used for contact control?
1

18
The image does not 
display correctly.
 z Is the [SYSTEM SELECT

OR] selection set correctly? 52
 zIs there a problem with the video tape or other image sources?
―
 zIs a signal which is not compatible with the projector being input?
120
Image...

Technical information
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Appendix
Technical information
PJLink protocol
The network function of this projector supports the 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
.
Command Control detailsNotes
POWR Power supply control Parameters
0 = Standby
1 = Power on
POWR? Power supply status...

Technical information
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Appendix
Control commands via LAN
▶■When WEB Control administrator rights password is set (Protect mode)
▶z
Connection method
1)  
Obtain the IP
  address and port number (Initial set value = 1024) of the projector and 
request for a connection to the projector.
You can obtain both the IP address and the port number from the menu screen of the projector.
IP address Obtain from MAIN MENU → [NETWORK] → [NETWORK STATUS]
Port number Obtain from MAIN MENU → [NETWORK] →...

Technical information
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Appendix
▶■When WEB Control administrator rights password is not set (Non-protect 
mode)
▶z Connection method
1)  
Obtain the IP
  address and port number (Initial set value = 1024) of the projector and 
request for a connection to the projector.
You can obtain both the IP address and the port number from the menu screen of the projector.
IP address Obtain from MAIN MENU → [NETWORK] → [NETWORK STATUS]
Port number Obtain from MAIN MENU → [NETWORK] → [NETWORK CONTROL] →...

Technical information
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Appendix
/ terminal
The / terminal of the projector conforms with RS-232C so that the projector can be 
connected to and controlled from a computer.
▶■Connection
For one projector
For multiple proje\
ctors
Projector 1 connecting terminals Projector 2 connecting terminals
 D-\fub 9\b 
(female)  D-\fub 9\b 
(male)  D-\fub 9\b 
(female)  D-\fub 9\b 
(male)
The \brojector conne\-cting terminals
Com\buter Com\buter
 D-\fub 9\b (female)
 D-\fub 9\b (male)  D-\fub 9\b...

Technical information
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Appendix
▶■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.
(2 bytes) ID2 characters 
(2 bytes)Semi-c\fl\fn (1 byte) \b\fl\fn (1 byte)
\b\fmmand 3 characters\-  (3 bytes) Parameter 
(undefined length) End (1 byte)
Start (1 byte)ZZ, 01 – 64 and 0A – \-0Z
ID setting area
Attention
 z If a command is transmitted after the lamp starts...

Technical information
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Appendix
▶■Cable specifications
▶z
When connected to a computer▶zWhen connected multiple projectors
Projector
( 
terminal)
1 NC NC 1
Computer
(DTE 
specifications) Projector 1
( 
terminal)
1 NC NC 1
Projector 2
( 
terminal)
2
2 22
3 3 33
4 NC NC 4 4 NC NC 4
5 5 55
6 NC NC 6 6 NC NC 6
7 7 77
8 8 88
9 NC NC 9 9 NC NC 9
▶■Control commands
The following table lists the commands that can be used to control the projector using a computer
.
▶zProjector control command...

Technical information
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Appendix
 terminal
It is possible to control the projector remotely (by external contact) from a control panel located away from the 
projector where remote control signals cannot reach. Use the  terminal on the connecting 
terminals of the projector to connect to the control panel.
RGB1VIDEO
RGB2 S-VIDEO
DVI-D HDMI
Remote \fontrol \bonta\ft \fontrol
Remote \fontrol/\bonta\f\ t \fontrolStandby Lit
Lamp
Meeting room or ot\
her installation l\
ocation Remote control pan\...

Technical information
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Appendix
Two window display combination list
Input A
Input B RGB1
Still 
image RGB1
Movie RGB2
Still 
image RGB2
Movie VIDEO
S-VIDEO
DVI-D
Still 
image DVI-D
Movie HDMI
Still 
image HDMI
Movie
RGB1
Still image ― ―
3 3 3 3 3 3 3 3
RGB1
Movie ― ―
3― ― ―
3―
3―
RGB2
Still image 3 3
― ―
3 3 3 3 3 3
RGB2
Movie 3
― ― ― ― ―
3―
3―
VIDEO 3―
3― ― ―
3―
3―
S-VIDEO 3―
3― ― ―
3―
3―
DVI-D
Still image 3 3 3 3 3 3
― ― ― ―
DVI-D
Movie 3
―
3― ― ― ― ― ― ―
HDMI
Still image 3 3 3 3 3 3
― ― ―...

Technical information
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Appendix
List of compatible signals
The following table specifies the types of signals compatible with the projector.
ModeResolution
(Dots) Scanning 
frequency
Dots
clock
Frequency (MHz)
Format*3Plug and play*4
Horizontal (kHz)Vertical(Hz) RGB2DVI-D
EDID1 DVI-D
EDID2 DVI-D
EDID3 HDMI
NTSC/NTSC4.43/ PAL-M/PAL60 720 x 480i 15.7 59.9 ― V/S
― ― ― ― ―
PAL/PAL-N/SECAM 720 x 576i 15.6 50.0 ― V/S― ― ― ― ―
525i (480i)
720 x 480i 15.7 59.9 13.5 R/Y― ― ― ― ―
625i (576i)720 x 576i...