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GTCO Bit Pad Two - Users Guide User Manual

Page 12

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Bit Pad Two 12


PH

P

SB

X0 to X11
and
Y0 to Y11

Phasing bit, which is always 1

Parity bit

One or two stop bits

X and Y coordinate bits.


NOTE: In Relative Mode, X11 and Y11 are the sign bits. The bit is 0 for a positive coordinate
and 1 for a negative coordinate. Furthermore, the remaining bits for a negative coordinate
are in the two’s complement form.
Bit Pad Two ASCII BCD Format
When the data tablet is in Absolute Mode, the ASCII BCD report format is:
XXXX,YYYY, F

or

XXXX,YYYY,F

When the data tablet is in Relative Mode, the ASCII BCD report format is:
SXXX,SYYY,F

or

SXXX,SYYYY,F

As shown in the above formats, the terminator can be a carriage return () or a carriage
return and a line feed (). This is switch-selective.
NOTE: The character 9 is in the cursor/stylus flag position when a report is issued from out-
of-prox.
Key:
S


X

,

Y

F

Coordinate sign, in Relative Mode only. For a positive coordinate, the character can be
0 through 9. For a negative coordinate, the character is a minus sign (-).

A digit of the X coordinate; each digit is an ASCII character, 0 through 9.

The delineator character, an ASCII comma.

A digit of the Y coordinate; each digit is an ASCII character, 0 through 9.

Flag character identifying the stylus or cursor buttons being pressed. The cursor output
codes are switch-selective: