A–8. serial interface command codes – 3M MP8660 User Manual
Page 34
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