Interpreting the Data VFC400-USB User Guide 56
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A º symbol will be shown, if the VFC400-USB was downloaded with Control
Solutions VTMC.
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A • symbol will be shown if an inspection mark was placed with the REVIEW/MARK
button.
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A • symbol will be shown where a reading could not be taken due to USB
communication with a PC.
USB Paused Readings
USB loggers cannot take a reading while plugged into a USB port. A gap is shown in the
graph where the VFC400-USB was plugged in at the time it would otherwise have taken
a reading. The list shows --- instead of the reading.
Probe Disconnected
A gap is shown in the graph where the VFC400-USB's probe was not plugged in at the
time it took a reading. The list shows --- instead of the reading.
Alarm Thresholds
The alarm thresholds are shown with red and blue dashed lines (---- for upper, ----
for lower) so you can see at a glance where temperatures went outside these limits.
Legend
Shows the symbols for download marks, inspections marks and paused marks if they
appear in the readings.
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