Product Manual

Zenith35 Pro | 12Description of the System
2.6 The Mechanical Reference Plane, MRP
Description The Mechanical Reference Plane:
• is where the instrument heights are measured to.
• is where the phase centre variations refer to.
• varies for different instruments.
MRP for instrument The MRP for the instrument is shown in the diagram.
a) The Mechanical Reference Plane is the under-
side of the thread.
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a