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Connection to the control signal terminal (continued)
The command code configuration consists of a 2-byte command and the following data.
• The first byte of a command indicates the command type with 3 bits on the MSB side and the data length
with 4 bits on the LSB side.
Projector - computer Computer - projector
‘0xH’ : Error code ‘2xH’ : inquiry code
‘1xH’ : response code ‘3xH’ : setting code
‘70H’ : frame error code ‘4xH’ : default setting code
‘x’ indicates the data length (example: x=2 means a 2-byte command).
• The second byte of a command indicates the command contents.
Command data chart
Item Data code
MOUSE 00h=disable mouse function, 01 ∼ 7Fh=start mouse function
COMMUNICATE 0Xh=8N1, 1Xh=7N1
X0h=1200bps, X1h=2400bps, X2h=4800bps, X3h=9600bps, X4h=19200bps
POWER 3Eh=power off (standby status), 3Fh=power on
ZOOM 01 ∼ 3Fh=Zoom +, 41 ∼ 7Fh=Zoom –
FOCUS 01 ∼ 3Fh=Focus +, 41 ∼ 7Fh=Focus –
MIRROR 00h=Normal, 01h=H : Invert, 02h=V : Invert, 03h=H & V : Invert
INPUT 11h=VIDEO, 21h=RGB1, 22h=RGB2
SYSTEM (VIDEO) 00h 00h=Auto, 00h 01h=NTSC, 00h 04h=NTSC4. 43
00h 02h=PAL, 00h 03h=SECAM, 00h 05h=M-PAL, 00h 06h=N-PAL
VOLUME 00h (low volume) ∼ 24h (high volume)
MUTE 00h=mute off, 01h=mute on
BRIGHT 00h 00h 00h (dark) ∼ 00h 00h 24h (bright)
CONTRAST 00h 00h 00h (low) ∼ 00h 00h 24h (strong)
COLOR 00h 00h 00h (pale) ∼ 00h 00h 24h (dense)
TINT 00h 00h 00h (reddish) ∼ 00h 00h 24h (greenish)
SHARPNESS 00h 00h 00h (soft) ∼ 00h 00h 24h (sharp)
H.PHASE 00h 00h 00h ∼ 00h 00h 24h
H.POSIT 00h 00h 00h 01h (Right) moves one step
00h 00h 00h 7Fh (Left) moves one step
H.SIZE 00h 00h 00h 01h (Large) moves two step
00h 00h 00h 7Fh (Small) moves two step
V.POSIT 00h 00h 00h 01h (Up) moves one step
00h 00h 00h 7Fh (Down) moves one step
COLOR BALANCE R
00h 00h 00h (Light red) ∼ 00h 00h 24h (Dark red)
COLOR BALANCE B
00h 00h 00h (Light blue) ∼ 00h 00h 24h (Dark blue)
AUTO ADJUST 00h (AUTO ADJUST (Play))
BLANK 0Xh=blanking off, 1Xh=blanking on
X=8 Black, X=9 Blue, X=F White
MAGNIFY 00h=normal display, 01h=zoom Magnify display or Magnify ratio up.
7Fh=zoom ratio down
FREEZE 00h=normal display, 01h=still image display