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TECHNICAL
A–6
E
3M 1997
3M
t
Multimedia Projector MP8660
A–8. Serial Interface Command Codes
RS–232 Connection Cable
Projector
DIN 8–pin
Computer
1
4
5
3
2
D-SUB 9-pin
1
4
6
5
3
2
7
8
1
2
4
3
9
5
6
7
8
Shield
1
2
4
3
5
6
7
8
Shield
6
7
8
9
Command Code Formats
All codes in this document are in ASCII Text. In order to get this to work you must send at the same
communication setting as the projector.
This should be 9600 8N1.
For the rest of this document CR is a carriage return which is code 13.
There are two types of commands that can be sent to the projector. They are Write commands and Read
commands.
Write Command Format
User:
Code
CR
Projector:
O
K
CR
if it worked or:
N
G
CR
if it did not work.
Read Command Format
User:
Code
CR
Projector:
Data
O
K
CR
if it worked or:
N
G
CR