Serial Command Code Table

Function

Command Code

# Bytes

Data Code

Meaning

 

 

 

 

 

Mouse

05

1

00

Stop mouse function

 

 

 

01-7F

Enable mouse function

 

 

 

 

 

Communication

06

1

0X

8N1

 

 

 

1X

7N1

 

 

 

X0

1200 bps

 

 

 

X1

2400 bps

 

 

 

X2

4800 bps

 

 

 

X3

9600 bps

 

 

 

X4

19200 bps

 

 

 

 

 

Power

11

1

3E

Power off

 

 

 

3F

Power on

 

 

 

 

 

Zoom

12

1

01-3F

Zoom +

 

 

 

41-7F

Zoom -

 

 

 

 

 

Focus

13

1

01-3F

Focus +

 

 

 

41-7F

Focus -

 

 

 

 

 

Mirror

14

1

00

Normal

 

 

 

01

H Invert

 

 

 

02

V Invert

 

 

 

03

H & V Invert

 

 

 

 

 

Magnify

15

set Command

 

 

 

 

1

01

Magnify+

 

 

 

7F

Magnify-

 

 

Ask Command

 

 

 

 

1

00

Magnify Off

 

 

 

01

Magnify On

 

 

 

 

 

Freeze

16

1

00

Freeze Off (normal display)

 

 

 

01

Freeze On

 

 

 

 

 

Input

21

1

11

Video

 

 

 

21

RGB 1

 

 

 

22

RGB 2

 

 

 

 

 

Video Type

22

2

00 00

Auto

 

 

 

00 01

NTSC

 

 

 

00 02

PAL

 

 

 

00 03

SECAM

 

 

 

00 04

NTSC 4.43

 

 

 

00 05

M-PAL

 

 

 

00 06

N-PAL

 

 

 

 

 

Volume

23

1

00-24

00 - 24 is high end of scale

 

 

 

 

 

Mute

24

1

00

Mute off

 

 

 

01

Mute on

 

 

 

 

 

Brightness

31

3

00 00 00 -

24 is high end of scale

 

 

 

00 00 24

 

 

 

 

 

 

Contrast

32

3

00 00 00 -

24 is high end of scale

 

 

 

00 00 24

 

 

 

 

 

 

© 3M 2000

3MMultimedia Projector MP8755

A-11

TECHNICAL

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3M MP8770 manual Serial Command Code Table, Function Command Code # Bytes Data Code Meaning