Crystal nVision Lab Reference - Manual (Page 6)

Config Function Tab  4
CrystalControl Operation Manual
Modules: Common to all modules
Several of the features are common between all available modules. The only information programmed by the factory is the Model, Serial Number,
and Firmware Version; all other information may be modified by CrystalControl.
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Model: Model of the nVision module. Read only.
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Serial Number: The serial number as reported by the nVision module. Read only.
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Firmware Version: The firmware version and whether updates are available for the nVision module.Read only, but may update through Tools.
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Calibrated On: Modify the Calibrated On date. Factory set to align with the included Certificate of Calibration.
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Calibration Due: Modify the Calibration Due date with the Edit Calibration Data button. Factory set to one year from Calibrated On date. Your quality system
may require more or less frequent calibration, or your experience with the nVision, or operating environment may suggest longer or shorter intervals.
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Userspan: Usually set to 1 at the factory, and used to adjust the calibration for component aging. All readings are multiplied by this number. For instance,
if the readings are low by 0.01%, set this number to 1.0001 to correct the readings (1.0001 is equivalent to 100.01%).
Note: MA20 and BARO also have Offset adjustment in addition to Userspan.
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CAUTION: Changing the userspan value changes the calibration of the module. Changes in userspan values should only be made by qualified
personnel and equipment.
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Message Store: A location for storing information such as an asset number, tag or identification number, owner information, or any combination of text up
to a maximum of 32 characters.
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Enabled Units: Select the units you need, or turn off the units you never use (at least one unit must be selected).