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[Setting loop back]
If the MSD sends a communication command back to the MSD itself using the loop back function, the MSD
replies "OK" if processed normally while replying "NG" if parameter or command is incorrect. (These
commands differ from reply commands to communication commands received externally; not loop-back.)
Since "OK" and "NG" are registered to reply commands 31 and 32 by factory default, respectively, set
CHECK" for those commands in order to check reply commands using the loop back function. However, these
commands can be changed in "7.12.2 Reply commands [RECV COMMAND EDIT]", so confirm that "OK"
and "NG" have not been changed before using.
With this function, you can register several communication commands to one control command. (Up to 30
bytes) For example, if sending the channel switching command "@SSW,1,1CR LF" and the audio output
setting command "@SSL,1,1 CR LF" successively, register "@SSW,1,1 CR LF @SSL,1,1 CR LF" (20 bytes).
Even if you send several communication commands, the number of reply commands is 1, and "OK" is replied
if processed successfully while "NG" is replied if there is an error even in just one command.
[Setting PJLink]
The MSD supports PJLink (class1), which is a standard protocol to control projectors. If you set a LAN port to
be connected using the PJLink protocol for the communication port (can be set in "7.11.4 LAN operation
mode [FUNCTION]"), you can select a PJLink command when inputting send command data.
Standard
Header
class
% (25)
1 (31)
You can select PJLink command by pressing ▲▼keys when the cursor is at the first byte of the data or right
of the delimiter (CR). You can select ASCII codes (text) and change parameters by pressing these keys when
the cursor is at another position.
DATA:
1:
At the 1st byte: You can select PJLink command.
DATA:%1POWR
0
8:
At other positions: You can select ASCII code.
The MSD supports the following PJLink commands.
No.
1
%
1
P
2
%
1
P
3
%
1
P
4
%
1
I
5
%
1
I
6
%
1
I
7
%
1
I
8
%
1
I
9
%
1
I
[Table 7.12] PJLink command (class1)
Command
Separator
4-character
Space (20)
alphabet
DATA:%1POWR 0
1:
▲key
DATA:%1POWR
1
8:
▲key
[Fig. 7.35] Selecting PJLink command (class1)
[Table 7.13] PJLink commands (class1) (ASCII codes)
Command
O
W
R (SP)
0
O
W
R (SP)
1
O
W
R (SP)
?
N
P
T (SP)
1
N
P
T (SP)
2
N
P
T (SP)
3
N
P
T (SP)
4
N
P
T (SP)
5
N
P
T (SP)
?
Parameter
ASCII codes (text) within 128 bytes
Hexadecimal values are in parentheses.
DATA:%1POWR 0
10:
The right of Delimiter(CR): You can select PJLink
command.
CR
Power off (Standby)
CR
Power on (Lamp on)
CR
Get power status
1
*
CR Switch input to RGB
1
*
CR Switch input to VIDEO
1
CR Switch input to DIGITAL
*
1
*
CR Switch input to STORAGE
1
*
CR Switch input to NETWORK
CR
Get input selection settings
158
MSD-804FD User's Guide
Delimiter
CR (0D)
DATA:%1POWR 0 %1POWR
10:0
▲key
Description
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