Panasonic PT-EZ770T

INF-17
SECTION 1 SERVICE INFORMATION
4. 1. 6. 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.
1. Basic control command (without parameter)
Start
(STX)
ID
Separator
(semicolon)
Command
End
(ETX)
1 byte 4 byte 1 byte 3 byte 1 byte
2. Basic control command (with parameters)
Start
(STX)
ID
Separator
(semicolon)
Command
Separator
(colon)
Parameter
End
(ETX)
1 byte 4 byte 1 byte 3 byte 1 byte Undefined length 1 byte
3. Basic control command (with sub command)
Start
(STX)
ID
Separator
(semicolon)
Command
Separator
(colon)
Parameter Operation
1 byte 4 byte 1 byte 3 byte 1 byte Undefined length 1 byte
Sign Parameter
End
(ETX)
1 byte 5 byte 1 byte
4. Operation
Specifies the method of processing the value specified by parameters.
Code Description
= Sets the value specified by the parameter
_(underbar) Adds the value specified by the parameter to the current value.
5. Sign
Specifies the method of processing the value specified by parameters.
Code Description
+ The value specified by the parameter is a positive value or 0 (zero).
– The value specified by the parameter is a negative value.
6. Parameters
Specify the setting or adjustment value by right justification (0 is not suppressed).
 Forexample,whenthesettingvalueis"1",setitas"00001".
7. ID of the basic control command
This projector will respond to the computer only if the sent ID coincides with the projector ID.
8.Response(Callback)ofthebasiccontrolcommand
In the period when the command can be accepted.
Differs according to each command.
In the period when commands cannot be accepted.
Hexadecimal 02h 45h 52h 34h 30h 31h 03h
Character E R 4 0 1
 IncaseoftheparametererrororREMOTE2effective.
Hexadecimal 02h 45h 52h 34h 30h 32h 03h
Character E R 4 0 2
4. 1. 5. Cable specification
l When connected to a computer
11
22
33
44
55
66
77
88
99
NCNC
NCNC
NCNC
NCNC
Projector
(<SERIALIN>terminal)
Computer
(DTEspecications)