BenQ PX9230 - RS232 Command; RS232 Pin Assignment

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RS232 command
RS232 pin assignment
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No. Serial No. Serial
1 N.C 6 N.C
2 RXD 7 Short with pin8
3 TXD 8 Short with pin7
4 N.C 9 N.C
5 Ground
Function Type Operation ASCII
Power Write Power On <CR>*pow=on#<CR>
Write Power off <CR>*pow=off#<CR>
Read Power Status <CR>*pow=?#<CR>
Source Selection Write COMPUTER/YPbPr <CR>*sour=RGB#<CR>
Write COMPUTER 2/YPbPr2 <CR>*sour=RGB2#<CR>
Write COMPUTER 3/YPbPr3 <CR>*sour=RGB3#<CR>
Write Component <CR>*sour=ypbr#<CR>
Write DVI-D <CR>*sour=dvid#<CR>
Write HDMI(MHL) <CR>*sour=hdmi#<CR>
Write Composite <CR>*sour=vid#<CR>
Write S-Video <CR>*sour=svid#<CR>
Write DP <CR>*sour=dp#<CR>
Read Current source <CR>*sour=?#<CR>
Audio Control Write Mute On <CR>*mute=on#<CR>
Write Mute Off <CR>*mute=off#<CR>
Read Mute Status <CR>*mute=?#<CR>
Write Volume + <CR>*vol=+#<CR>
Write Volume - <CR>*vol=-#<CR>
Write Volume level for customer <CR>*vol=value#<CR>
Read Volume Status <CR>*vol=?#<CR>
Audio source select Write Audio pass Through off <CR>*audiosour=off#<CR>
Write Audio-Computer1 <CR>*audiosour=RGB#<CR>
Write Audio-Computer2 <CR>*audiosour=RGB2#<CR>
Write Audio-Video/S-Video <CR>*audiosour=vid#<CR>
Write Audio-Component <CR>*audiosour=ypbr#<CR>
Write Audio-HDMI <CR>*audiosour=hdmi#<CR>
Read Audio pass Status <CR>*audiosour=?#<CR>
Picture Setting Write Presentation <CR>*appmod=preset#<CR>
Write sRGB <CR>*appmod=srgb#<CR>
Write Bright <CR>*appmod=bright#<CR>
Write Standard/Vivid <CR>*appmod=std#<CR>
Write User1 <CR>*appmod=user1#<CR>
Write User2 <CR>*appmod=user2#<CR>
Write 3D <CR>*appmod=threed#<CR>
Write Contrast + <CR>*con=+#<CR>