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Thread: Garmin GPS18PC causing the mouse pointer to act strange

  1. #1
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    Garmin GPS18PC causing the mouse pointer to act strange

    I installed VisualGPS to test the output of the gps receiver (recvr), after 3 seconds of the gps recvr being attached to the serial port, the mouse pointer begins moving to seemingly random points on the desktop in a regular pattern ie: approx 0.5 seconds between pointer movements.

    I had to change to COM port to be COM3 for VisualGPS to detect the gps without reporting 'com port is in use by another program etc'

    Is there something Im missing with the gps init string? At the moment it is blank.
    Rode-B[O]X: scrounging components

    Bits I bought:
    Xenarc 700TSV | DSSC | GPS18PC
    Pieces Im looking at:
    Axus TC600 WINXPe | EPIA * | GPS gadgets

  2. #2
    Constant Bitrate studmonk3y's Avatar
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    this is a common problem with any serial gps modules. basically windows thinks its a serial mouse and that's why it acts crazy. go to device manager and disable the serial mouse

  3. #3
    Variable Bitrate Saab9-5's Avatar
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    Check out Serial GPS thinks it is a mouse.. for a solution. This is one of many you can find via a of the forums.

  4. #4
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    Quote Originally Posted by studmonk3y
    this is a common problem with any serial gps modules. basically windows thinks its a serial mouse and that's why it acts crazy. go to device manager and disable the serial mouse
    I tried disabling the serial mouse that was showing in Device Manager, then all that happened was an apparent smooth pickup of the gps unit by VisualGPS but no gps signal came through after 5-7 mins. I had the gps unit attached to the roof of the truck at the time.
    Rode-B[O]X: scrounging components

    Bits I bought:
    Xenarc 700TSV | DSSC | GPS18PC
    Pieces Im looking at:
    Axus TC600 WINXPe | EPIA * | GPS gadgets

  5. #5
    Constant Bitrate studmonk3y's Avatar
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    use hyperterminal to see if the gps is outputting nmea strings...
    btw how are you powering it?

  6. #6
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    12v
    Rode-B[O]X: scrounging components

    Bits I bought:
    Xenarc 700TSV | DSSC | GPS18PC
    Pieces Im looking at:
    Axus TC600 WINXPe | EPIA * | GPS gadgets

  7. #7
    Constant Bitrate studmonk3y's Avatar
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    Quote Originally Posted by trillion
    12v
    through the cig adapter?
    just wanted to make sure you know that if you cut off the cig adapter you have to supply it 5v not 12...i learned that the hard way

  8. #8
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    Dec 2004
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    QLD, Australia
    Posts
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    I bought an adapter that plugs into the existing 12v cig adapter, which seems to power both the xenarc and the gps just fine, or does it? :/
    Rode-B[O]X: scrounging components

    Bits I bought:
    Xenarc 700TSV | DSSC | GPS18PC
    Pieces Im looking at:
    Axus TC600 WINXPe | EPIA * | GPS gadgets

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