Brad, I also am a huge Survey Pro fan, I have utilized Magnet Field, Trimble Access and Carlson Explorer etc. - I believe you are correct in the advice given to you about the 100 series. Pairing the software and Hardware is problematic - However, I would direct you to WDS Western Data Systems, http://www.westerndatasystems.com/dallas-fortworth/ ask for Gary Smith, Gary and his team are like calling in a seal team to handle your issue regardless of Software, Hardware and every technical aspect of our devices.
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