Chapter 4 Preparing LogTag(s) for use
35
Readings below X or
above Y (inclusive)
You can set the upper threshold limit and lower threshold limit by
entering the appropriate information in the boxes. If readings stay
inside the range specified by X and Y the alert indicator will not
activate. If a reading of X and below, or Y and above is recorded,
the alert indicator may light up, dependent on the alert conditions.
Charts will display alert readings according the settings made in the
Charts
(on page 90) section of the 'Options' Screen.
Note:
The values entered in these boxes are included in the alert
range. In the above example 7 consecutive readings of 45°C will
trigger an alert, whereas 7 consecutive readings of 44.9°C will not
trigger an alert. Please set your alert values with this in mind.
After X consecutive alert
readings (W minutes)
Tick this box, and enter a number into the adjacent field if you
want to trigger an alert condition once X number of consecutive
alert readings are recorded. Note that the number of minutes
shown will depend on the number of alert readings you enter into
the box AND the recording interval already specified. For example,
if X is 3 and two readings are above the upper threshold limit but
the subsequent reading is below the upper threshold limit and still
above the lower threshold limit then the alert indicator will not
activate. Maximum value is 256, minimum is 2.
After X alert readings
have occurred (W
minutes)
Tick this box, and enter a number into the adjacent field if you
want to trigger an alert condition once a total number of alert
readings have been recorded, regardless of whether they are
consecutive or not. Maximum value is 256, minimum is 2.
You can increase or decrease the values with the arrows next to
the fields. Please note these are linked and certain combinations
may not be allowed.
Leave alert indicator
enabled even if
readings return within
alert range
If this option is enabled then the alert indicator will remain active,
even if the current reading does not meet the alert conditions
specified by the previous controls.
If this option is disabled then the alert indicator will remain active
only if the current reading meets the alert conditions specified by
the previous controls.
Clear and reset alert
when START MARK
button pressed
If this feature is enabled, any user can turn off an active alert by
pressing the LogTag's START MARK button. It will also reset the
internal alert counters such that it would be as if no alert condition
had occurred at all while the LogTag was recording.
Should the LogTag subsequently detect a further alert condition,
the alert will activate again.
Once the LogTag has finished recording, pressing the START MARK
button will not clear and reset any active alert.
If the LogTag being configured does not support this feature, it will
be disabled and its setting cannot be changed.
Summary of Contents for Analyzer
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