Larson Davis SoundExpert LxT, User Manual

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LxT Manual Time History Tab
9-5
The first item in the options list is highlighted, as shown in
Figure 9-3.
FIGURE 9-3 Time History Options Window
Press
6
to select a check box option. Press
4
to deselect a
box already checked.
Exiting Time History Options
When the options have been selected, press
5
to exit from
the Time History Options Menu.
Time History Tab
Single Value Metrics
When the LxT is not equipped with
the optional firmware LXT-OB3, or
if it is equipped with this option but
the measurement of 1/1 and 1/3
octave spectra has been set to Off in
the measurement setup, all measured
parameters are single value
parameters. This section describes the time history graph that appears for
single value metrics such as sound levels and non-acoustic
parameters.
Time history data is displayed on the
Time History tab of
the Data Display, as shown in Figure 9-4.
FIGURE 9-4 Time History Display: First Point; Keypress
Data and time the
measurement started
Time History Graph