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A–8. serial interface command codes – 3M MP8660 User Manual

Page 34

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TECHNICAL

A–7

E 3M 1997

3M

t Multimedia Projector MP8660

A–8. Serial Interface Command Codes,

continued

Function

Code

Meaning

Power On/Off

Write Codes
D00W00
D00W01

Read Codes
D00R

Power On
Power Off

Returns:
00 – Standby
01 – Power on but no lamp
02 – Power on and lamp
03 – Power off but fan running

Input Source

Write Codes
D02W01
D02W02
D02W11
D02W12
D03W00

Read Codes
D02R

RGB 1
RGB 2
Video 1
Video 2
Shows what input is selected on–screen

Returns:
01 – RGB1
02 – RGB2
11 – Video1
12 – Video2

Volume Control

Write Codes
D04W00 to
D04W14

Read Codes
D04R

Sets volume level to a value between 00 and 14 hex.
This corresponds to 20 possible settings.

Returns:
00 to 14 hex

Focus

Write Codes
D05W00
D05W01
D05W10
D05W11
D05W20

300ms Clockwise
300ms Counterclockwise
Continuous Clockwise
Continuous Counterclockwise
Turn off motor

Zoom

Write Codes
D06W00
D06W01
D06W10
D06W11
D06W20

300ms Clockwise
300ms Counterclockwise
Continuous Clockwise
Continuous Counterclockwise
Turn off motor

Mute

Write Codes
D07W00
D07W01

Read Codes
D07R

Mute off
Mute on

Returns:
00 – mute is off
01 – mute is on

Blank

Write Codes
D08W00
D08W01

Read Codes
D08R

Blank is off – image is shown
Blank is on – black screen is shown

Returns:
00 – off
01 – on

Contrast

Write Codes
D12W00 to D12W14

Read Codes
D12R

Set contrast level to a value between 00 and 14 hex. This
corresponds to 20 possible settings.

Returns:
00 to 14 hex

Brightness

Write Codes
D13W00 to D13W14

Read Codes
D13R

Sets brightness level to a value between 00 and 14 hex.
This corresponds to 20 possible settings.

Returns:
00 to 14 hex