Panasonic PT-DZ13KU, Service Manual, Page: 23 / 121

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)
2. Basic control command (with parameters)
3. Basic control command (with sub command)
4. Operation
Specifies the method of processing the value specified by parameters.
Description
Sets the value specified by the parameter.
Adds the value specified by the parameter to the current value.
5. Sign
Specifies positive or negative of the value specified by parameters.
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 in the following cases.
- If the sent ID coincides with the projector ID.
- RESPONSE(ID ALL) in RS232C settings of this projector is ON and the sent ID is ALL.
- Or If Group (A-Z) of the sent ID coincides with GROUP in RS232C settings of this projector and
RESPONSE(ID GROUP) in RS232C settings of this projector is ON.
Specifically, please refer to a separate volume "Control Commands".
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.
In case of the parameter error or REMOTE2 effective.
52h 32h 34h 30h
4 0
Hexadecimal 30h 31h
02h 45h Hexadecimal
Character
Character
03h
E R 4 0 2
03h
1 E R
02h 45h
Code
=
End
(ETX)
1 byte
52h
4 byte
Code
＋
Undefined length
3 byte
_( underbar)
1 byte
34h
1 byte
1 byte 5 byte 1 byte
Parameter Sign
4 byte 1 byte 3 byte
Start
(STX)
1 byte
Command
Start
(STX)
Ｄ
1 byte 1 byte 4 byte 1 byte
1 byte
1 byte
End
(ETX)
End
(ETX)
Separator
(colon)
Separator
(colon)
Parameter
Parameter Operation
5 byte 1 byte
Ｄ
Separator
(semicolon)
Command
Separator
(semicolon)
Command
Separator
(semicolon)
Start
(STX)
3 byte
Ｄ