Form 43-DR-33-75
Page 1 of 3
Model DR 4300
Circular Chart Recorder
Replacement Instruction
Digital Input Printed Wiring Assembly (51404566-501)
Document Number
Form: 43-DR-33-75
Effective: 3/98
Supersedes: None
Kit Contents
This kit contains a Digital Input Printed Circuit Board.
Summary
Enclosed is a new digital input board for your DR4300 recorder. Use the
following procedure to install the new board in your recorder.
WARNING
Never access components inside the case with power applied.
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