Sharp XG-MB50X Service Manual page 21

■Keystone correction range expansion and vertical compression adjustment function
The variable range of the keystone can be expanded to over the user adjustable range by using
the following RS-232C commands. In addition, the vertical compression can be adjusted.
Command description
Control
Disabling function
Enabling function
Keystone correction range expansion
(-200 - +200)
Vertical compression adjustment
(-300 - +300)
Command Parameter
BKLM
BKLM
＊＊＊＊
BKST
＊＊＊＊
BKVO
21
XG-MB50X
XR-11XC
XR-10X/S
XR-20X/S
Return
_0 OKorERR
_1 OKorERR
OKorERR
OKorERR