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How To: Configure the Summagraphics Summagrid IV, 16-button digitizer

Procedure

Summary

The following procedure lists the steps to configure a Sumagraphics Summagrid IV, 16-button digitizer.

Procedure

1. Set the dip-switches:

9600, 8 data bits, no parity, 1 stop bit; point mode; ASCII format; ACSII inches; no decimal; CR only; 1000 lpi. These settings emulate the Calcomp 9100 format.

The 'ON or 1' and 'OFF or O' dip-switch settings on the Summagrid IV can be confusing. The dip-switch is 'ON or 1' when the switch is towards the numbers. The dip-switch is 'OFF or O' when the switch is towards the OPEN label.

Bank A:
1 2 3 4 5 6 7 8
on off off X off off on on

- 1 9600 baud
- 2 9600 baud
- 3 9600 baud
- 4 does not matter
- 5 no parity
- 6 1 stop bit
- 7 8 data bits
- 8 ASCII format

Bank B:
1 2 3 4 5 6 7 8
off off off off off on on off
- 1 ASCII inches
- 2 no decimal
- 3 CR only
- 4 inches
- 5 1000 lpi/ 40 lpmm
- 6 1000 lpi/ 40 lmpp
- 7 calcomp 9100 format emulation
- 8 calcomp 9100 format emulation

Bank C:
1 2 3 4 5 6 7 8
on off off off off ? ? ?

- 1 point mode
- 2 point mode
- 3 echo off
- 4 transmit only when in proximity
- 5 beeper disabled
- 6 application dependant <-- 6 indicates the digitizer's size
- 7 application dependant <-- 7 indicates the digitizer's size
- 8 application dependant <-- 8 indicates the digitizer's size

The appropriate digitizer board size settings for Switch Bank C, dip-switches 6, 7, and 8 are:

dip-switch    6    7    8
-------------------------
18" x 24" on on off
36" x 48" on off off
24" x 36" off on off
44" x 60" off off off

2. Create the following digform format file with any ASCII editor (DOS Edit, Notepad, WordPad):

'SGRID4'                    		Summagraphics Summagrid IV 
1 Digitizer device #
'(A3,2F5.3)' Digitizer format
F No menu bar
F Single button mode off
73.0, 1.0, 0.0 X max, x scale, x offset
85.0, 1.0, 0.0 Y max, y scale, y offset
12
'APD' 0, 'AP0' 1, 'AP1' 2, 'AP2' 3, 'AP4' 4, 'AP5' 5,
'AP6' 6, 'AP8' 7, 'AP9' 8, 'APA' 9, 'APC' 10, 'APE' 12
-1
-1
-1
-1
-1

3. Save the file as SGRID4 and place it in the C:\ARCEXE\DIGFORMsub-directory.

4. Run CON-DIG at the Arc prompt like this:

CON-DIG SGRID4 x 9600 NONE 8 1
| | | | | |_ stop bits
| | | | |___ data bits
| | | |________ parity
| | |_____________ baud rate
| |_______________ port #
|______________________ format file

The DIGTEST (for DOS) or DIGTESTW (for Windows Extensions) utilities can now be run to ensure the digitizer is configured correctly.

Note:
This digitizer is only supported in the POINT MODE of operation. STREAM MODE operation is not supported.

A sample of the correct RAW DATA obtained in KERMIT or the 1st test in DIGTEST or DIGTESTW is:

AP00123401567  <--  '1' button on the puck
APC1000218213 <-- 'A' button on the puck

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