Filter
Top Products
5
Technical (continued)
RS-232C Communication
67
89
123
4
5
6
7
8
9
12345
CONTROL port RS-232C cable RS-232C port
of the projector of the computer
- (1) (1) CD
RD (2) (2) RD
TD (3) (3) TD
- (4) (4) DTR
GND (5) (5) GND
- (6) (6) DSR
RTS (7) (7) RTS
CTS (8) (8) DTS
- (9) (9) RI
Connecting the cable
1.
Turn off the projector and the computer.
2.
Connect the CONTROL port of the projector with a RS-232C port of the
computer by a RS-232C cable. Use the cable that fulfills the specification
shown in the previous page.
3.
Turn the computer on, and after the computer has started up turn the
projector on.
Communications setting
19200bps, 8N1
1. Protocol
Consist of header (7 bytes) + command data (6 bytes).
2. Header
BE + EF + 03 + 06 + 00 + CRC_low + CRC_high
&5&BORZ/RZHUE\WHRI&5&ÀDJIRUFRPPDQGGDWD
&5&BKLJK8SSHUE\WHRI&5&ÀDJIRUFRPPDQGGDWD
3. Command data
Command data chart
byte_0 byte_1 byte_2 byte_3 byte_4 byte_5
Action Type Setting code
low high low high low high
Action (byte_0 - 1)
Action &ODVVL¿FDWLRQ Content
1 SET Change setting to desired value.
2 GET Read projector internal setup value.
4 INCREMENT Increment setup value by 1.
5 DECREMENT 1.
6 EXECUTE Run a command.
© 3M 2006 3M™ Digital Projector S15i