Panasonic PT-L785U User Manual Page 72
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72-ENGLISH
Using the SERIAL connector
The serial connector which is on the connector panel of the projector
conforms to the RS-232C interface specification, so that the projector can be
controlled by a personal computer which is connected to this connector.
Connection
Pin assignments and signal
names
Basic format
The data sent from the computer to
the projector is transmitted in the
format shown below.
Communications settings
Signal level RS-232C
AsynchronousSync. method
Baud rate
Parity
9 600 bps
None
Character length 8 bits
Stop bit 1 bit
X parameter None
S parameter None
STX Command
:
Parameter ETX
Start byte
(02h)
3 bytes
1 byte
1 byte-5 bytes
End byte
(03h)
NOTE:
B The projector can not receive
the command for 10 seconds
after the lamp is switched on.
Wait 10 seconds before sending
the command.
B If sending multiple commands,
check that a response has been
received from the projector for
one command before sending
the next command.
B When a command which does
not require parameters is sent,
the colon (:) is not required.
B If an incorrect command is sent
from the personal computer, the
“ER401” command will be sent
from the projector to the
personal computer.
NOTE:
B Use a proper communication
cable which is suitable for the
personal computer to connect
the serial connector and the
personal computer.
D-sub 9-pin (male)
Communication cable
SERIAL(female)
Computer
1
5
6
9
D-sub 9-pin
Appearance
Pin
No.
Signal
name
Contents
#
NC
$
TXD Transmitted data
%
RXD Received data
&
NC
'
GND Ground
(
DSR
)
CTS
Connected internally
*
RTS
NC
+
- Operating Instructions 1
- IMPORTANT SAFETY NOTICE 2
- Dear Panasonic Customer: 2
- ENGLISH-3 3
- Contents 4
- ENGLISH-5 5
- 6-ENGLISH 6
- ENGLISH-7 7
- 8-ENGLISH 8
- Accessories 9
- Before use 10
- Notes on use 11
- 12-ENGLISH 12
- ENGLISH-13 13
- Preparation 13
- Remote control unit 14
- Projector control panel 14
- ENGLISH-15 15
- 16-ENGLISH 16
- ENGLISH-17 17
- Setting-up 18
- Projector position 19
- Projection distances* 19
- Connections 20
- Connecting to computer 21
- 22-ENGLISH 22
- ENGLISH-23 23
- Getting started 23
- Turning on the power 24
- ENGLISH-25 25
- Basic Operation 25
- Turning off the power 26
- Illuminated 27
- Correcting the image position 28
- (AUTO SETUP) 28
- Pausing a picture (FREEZE) 29
- Adjusting the volume (VOLUME) 30
- ENGLISH-31 31
- Useful functions 31
- 32-ENGLISH 32
- Wireless mouse 33
- On-screen menus 34
- ENGLISH-35 35
- Adjustments and settings 35
- 36-ENGLISH 36
- RESIZING 38
- Adjusting the picture 39
- STANDARD 40
- TV-SYSTEM 41
- Projecting sRGB 41
- Adjusting the position 42
- DOT CLOCK 43
- CLOCK PHASE 43
- KEYSTONE 43
- OSD POSITION 44
- AUTO SETUP 45
- FRAME LOCK 45
- Audio adjustment 46
- Changing the display language 46
- Option settings 47
- 48-ENGLISH 48
- CONTROL KEY 49
- AUTO POWER OFF 49
- Network setup 50
- Adjusting the lens 50
- ENGLISH-51 51
- TEXT DISPLAY 52
- CHANGE TEXT 52
- # Press the F, G, I and H 52
- $ Press the F, G, I and H 52
- ENGLISH-53 53
- RGBVIDEOAUTO SETUP SHUTTER 54
- LAMPRGB INPUT 54
- ENGLISH-55 55
- Care and maintenance 55
- 56-ENGLISH 56
- Replacing the lamp unit 57
- . on the next 58
- ENGLISH-59 59
- Before calling for service 60
- Cleaning and maintenance 61
- Using the cable cover 62
- ENGLISH-63 63
- Replacing the projection lens 64
- (sold separately) 65
- 66-ENGLISH 66
- ENGLISH-67 67
- Specifications 68
- ENGLISH-69 69
- Appendix 70
- Using the REMOTE connector 71
- Using the SERIAL connector 72
- ENGLISH-73 73
- Control commands 73
- Cable specifications 73
- Pin assignments 74
- ENGLISH-75 75
- Trademark acknowledgements 76
- Dimensions 76
- NOTES IMPORTANTES 77
- CONCERNANT LA SECURITE 77
- Précautions de sécurité 78
- FRANÇAIS-79 79
- Attention 80
- FRANÇAIS-81 81
- Avant l’utilisation 82
- Notes sur l’utilisation 83
- Remplacement du bloc de lampe 84
- FRANÇAIS-85 85
- 86-FRANÇAIS 86
- FRANÇAIS-87 87
- Printed in Japan 88
- S0604-0A 88
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