Panasonic PT-L520E Instrukcja obsługi - Strona 23
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Using the SERIAL connector
The serial connector which is on the side 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
Computer
SERIAL(female)
D-Sub9p (male)
Communication cable
NOTE:
B Use a proper communication
cable which is suitable for the
personal computer to connect the
serial connector and the personal
computer.
Pin layout and signal
names for SERIAL
connector
6
9
1
5
D-SUB 9-pin connector seen from
outside
Pin
Signal
Contents
No.
name
#
NC
$
TXD Transmitted data
%
RXD Received data
&
NC
'
GND
(
DSR
)
CTS Connected internally
*
RTS
+
NC
44-E
NGLISH
Communications settings
Signal level
RS-232C
Sync. method
Asynchronous
Baud rate
9600 bps
Parity
None
Character length 8 bits
Stop bit
1 bit
X parameter
None
S parameter
None
Basic format
The data sent from the computer to
the projector is transmitted in the
format shown below.
STX Command : Parameter ETX
Start byte
1 byte
End byte
(02h)
(03h)
3 bytes
1 byte–5 bytes
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.
Control commands
The commands which the personal computer can use to control the projector
are shown in the following table.
Control
Command
Contents
In standby mode, all commands other than
the PON command are ignored.
PON
Power ON
B The PON command is ignored during
lamp ON control.
B If a PON command is received while the
cooling fan is operating after the lamp
has switched off, the lamp is not turned
POF
Power OFF
back on again straight away, in order to
protect the lamp.
Parameter
AVL
Volume
000–063(Adjustment value 0–63)
Parameter
Input signal
IIS
VID=VIDEO
selection
RG1=RGB1(YP
Parameter
0 = Standby
Lamp ON
Q$S
1 = Lamp ON control active
condition query
2 = Lamp ON
3 = Lamp OFF control active
Cable specifications
(When connected to a personal computer)
At the projector
1
2
3
4
5
6
7
8
9
Remarks
SVD=S-VIDEO
P
1) RG2=RGB2(YP
P
B
R
B
At the computer
(DTE specifications)
1
NC
NC
2
3
4
NC
NC
5
6
NC
NC
7
8
9
NC
NC
E
NGLISH
2)
R
-45