INFICON 3000 Micro GC Gas Analyzer Reference Guide - Manual (Page 102)

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11 Disconnect the ribbon cable from the communication board.
12 Remove the two screws fastening the module to the back panel. Retain the screws for later use.
Remove the digital I/O module and ribbon cable.
13 To install a digital I/O module, use a flat-head screwdriver to pry the cover plate off the
instrument’s back panel.
14 Slide the new Digital I/O Module through the hole in the back panel so that the two threaded
studs protrude through. Use the retained screws to secure it in place.
Table 22-1 Installing the digital I/O module (continued)
Step Description