Larson Davis SoundTrack LxT, Руководство пользователя

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5-10
Overall Tab LxT Manual
FIGURE 5-11 Overall Page, Digital Page
The Digital page presents a profile of the sound level for the
run time of the measurement. The run time for the average
calculation is shown at the top of the screen. The graph is
updated once per second and the calculation of the average
sound level is updated approximately four times per second.
Leq
The Leq Page presents the maximum, minimum, and peak
sound levels, as shown in Figure 5-12. On this page, you can
view the current sound levels and instantaneous peak values
to note their effect on the maximum and minimum sound
levels, and the maximum peak level.
FIGURE 5-12 Overall Tab, Leq Page
The L
Zpeak(max)
is the highest level the peak detector has
measured during the run time of the measurement. The date
and time of occurrence is recorded with this event.
The L
Zpeak(max)
is also considered the peak hold. Whenever
data is reset, this parameter is cleared. To reset data, press
the
1
(RESET) key.
The L
ASmax
is the highest level the RMS detector has
measured during the run time of the measurement. The date
and time of occurrence is recorded with this event.
The L
ASmax
is also considered the max hold. Whenever data
is reset, this parameter is cleared. To reset data, press the
1
(RESET) key.
The L
ASmin
is the lowest level the RMS detector has
measured during the run time of the measurement. The date
and time of occurrence is recorded with this event.
L
Peak
using selected
Frequency Weighting