PNI SpacePoint Scout User Manual
Page 11
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PNI Sensor Corporation
Doc #1017545 r03
SpacePoint Scout User Manual
– January 2013
Page 11 of 19
Slave
Reserved
Reserved
Reserved
HPOS MSB
Master
MAK
MAK
MAK
Slave
HPOS MSB-1
HPOS LSB+1
HPOS LSB
VPOS MSB
Master MAK
MAK
MAK
NMAK SP
Slave
VPOS MSB-1
VPOS LSB+1
VPOS LSB
Establishing the Cursor Reference Frame (ResetRef)
Cursor position tracking is relative to a reference established by the user. Normally
the user will point the SpacePoint Scout at the center of a screen, then press a
keyboard button or a button on the user‟s device that will reset the cursor to the center
of the screen. The command sequence to set the cursor at the center of the screen is
given below.
Master ST HwADDR
0xB4
SP
Slave
SAK
SAK