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A–8. serial interface command codes, Rs–232 connection cable, Command code formats – 3M MP8660 User Manual

Page 33

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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