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Teledyne API – Technical Manual - Model 300E Family CO Analyzers Remote Operation
177
8.6.4. 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 1 and TYPE 2 download the Manual
Addendum for Hessen Protocol from the Teledyne API web site: http://www.teledyne-api.com/manuals/.
To select a Hessen Protocol Type press:
NOTE
While Hessen Protocol Mode can be activated independently for COM1 and COM2 in the
COMMUNICATIONS MENU, the TYPE selection affects both Ports.
04288D DCN5752