GTCO Surface-Lit AccuTab - Users Guide User Manual

Page 39

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Surface-Lit AccuTab 39


Set Digitizing Rate

Code: Rx

Coordinates can be sent from AccuTab at rates from 5 to 100 coordinates per second. The
second character in this command sets the rate, as shown in the table below. Actual rates
are limited by the communication baud rate and coordinate type you have selected. The
rates shown here are, therefore, maximum rates.

Rate Commands
Digitizing rate, formats/second
Digitizing rate command

12 100 100 5 10 50
R1 R2 R3 R4 R5 R6

Change Mode Character

Code: MC

Some applications may have a predefined meaning for the SOH (CTRL-A) character used to
invoke Command Mode. If so, invoking Command Mode may cause your system to do
something else. You can set the AccuTab so that a character other than SOH is used to
begin Command Mode. Here is how to make the substitution:

1. Enter Command Mode.
2. Send MC, followed by a <CR>. Super L III responds with the prompt message:

ENTER NEW COMMAND MODE CHARACTER:

3. Enter the desired mode change character. The new mode character can be any

character except ESC (CTRL-[, hex 1B), <CR> (CTRL-M, hex 0D), CAN (CTRL-X, hex 18),
VT (CTRL-K, hex 0B), XON (CTRL-Q, hex 11) or XOFF (CTRL-S, hex 13).

Now, when you want to enter the Command Mode, send the new character. All other
command operations remain unchanged.


Select English Measurement Scale
Select Metric Measurement Scale


Code: IN
Code: MT

Invoking these commands causes AccuTab to scale coordinates in the desired
measurement system. The digitizer measures in only one scale at a time. See
Measurement Scales for additional information on how scale selection affects coordinate
data.

Enable Echo Mode
Disable Echo Mode

Code: EM
Code: hex 0F (Ctrl-O)

These commands control echoing by the AccuTab. When enabled, echoing transmits each
received character back to the sending device.

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