This tech note is applicable to computers running with Microsoft OS
and applies to computers with Touch Screen  and Pinpoint (or Serial GPS) 

The computer will experiencing erratic touch behavior 
when the Serial Cable from the Pinpoint is plugged into the 
computer and the computer is first turned on.


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1.  Pull the RS-232 cable off of the Pinpoint Modem
    
2.  Start your computer

3.  Right click on MY COMPUTER and bring up SYSTEM PROPERTIES

4.  Select HARDWARE

5.  Select DEVICE MANAGER

6.  Locate MICE and OTHER POINTING DEVICES and EXPAND (+)

7.  Plug your RS-232 Cable back into your modem

8.  From the top of the Window, Select ACTION

9.  Select SCAN FOR HARDWARE CHANGES 

10.  You should see MICROSOFT SERIAL BALLPOINT (which is hidden)
     suddenly appear  (Under the MICE and Other Point Devices)
    
11. Right click on the MICROSOFT SERIAL BALLPOINT to disable
    NOTE: The curser will start to jump around a bit, keep trying 
    until you are able to right click and disable the Microsoft 
    Serial Mouse

12. Restart the computer.

13. If the mouse is moving around too fast to be able to perform the
    above steps, you can slow it down to make the above changes. To do 
    this:

    Go into Wireless Ace
    Select COMMON, Serial, S53.
    The value will be 4800,8n1 or higher. Change it to 2400,8n1 and
    write that value to the modem

14. Restart from step 1. The mouse movements will be slower; disable
    the SERIAL BALLPOINT. 

15. When this is done, go back to Wireless Ace and set the value of
    S53 as it was previously.

16. You can go into Hyperterminal and you should continue to see
    data flowing from the GPS serial port.

17. As a final check, restart the computer, go back to Device Manager,
    Properties, Mice and Other devices and confirm that Microsoft
    SERIAL BALLPOINT is disabled