GTCO 2500 Series - Users Guide 3/3 User Manual

Page 12

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2500 Series 12

Where a for the host or cursor can equal A or B.

If a = A
If a = B

Command applies to Port A
Command applies to Port B

Where b can equal 0, 1 or no entry.

If b = 0
If b = 1
If no b is entered

Output port is disabled.
Output port is enabled.
The function will toggle.

NOTE: The 2500 tablet has only one output port. It is enabled or disabled by either
command. This command includes two ports for compatibility with 9100 applications
programs.

Set Data Rate

This command sets the maximum data output rate, which usually becomes significant in
Run or Track mode. The other modes are affected more by the user’s manual digitizing
speed.

The 2000 compatible commands set data rate and operating mode simultaneously.

This command determines the maximum rate at which the tablet will attempt to transmit
coordinate pairs to the host. The maximum usable data rate is also limited by the
selected baud rate. The digitizer may produce more coordinate pairs than can be
physically transmitted over the communications interface. When the digitizer runs faster
than the interface, some data points will be lost. Each time the output port becomes free,
the digitizer outputs the latest pair made available for transmission; previous points
waiting to be transmitted are lost.

Host = ESC % W n CR

Menu = [DATA RATE] [n] [CR]

Cursor = FF 7 n E

Where n can be 0-125.

The maximum usable data rate depends not only on the speed of the interface, but also on
the number of characters in the coordinate pair output format and the number of bits in

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