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M400E Ozone Analyzer Operator’s Manual 357BRemote Operation Of The M400E
8.5.4. SELECTING A HESSEN PROTOCOL TYPE
Currently there are two versions of Hessen Protocol in use. The original implementation, referred to as TYPE 1,
and a more recently released version,
TYPE 2 that has more flexibility when operating with instruments that can
measure more than one type of gas. For more specific information about the difference between
TYPE 1and
TYPE 2 download the Manual Addendum for Hessen Protocol from the Teledyne Instruments web site:
http://www.teledyne-api.com/manuals/index.asp .
To sele
ct a Hessen Protocol Type press:
NOTE
While Hessen Protocol Mode can be activated independently for COM1 and COM2, The TYPE selection
affects both Ports.
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