Larson Davis 831, User Manual

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Model 831 Manual Event History Display 13-17
FIGURE 13-15 Role of Left/Right Arrow Keys: 1/1 Octave Spectrum
1/3 Octave Spectrum Display
With all possibilities included, the fourth display would
be a 1/3 octave spectrum for the displayed event, as
shown in FIGURE 13-16.
FIGURE 13-16 Event History: 1/3 Octave
Display, Section 4
Left and Right Arrow keys
Change Frequency
Left and Right Arrow keys
Toggle Between Display of
L
ZSmax
and L
AE
Left and Right Arrow keys
Change Event
Switch role of left/right
arrow keys from
“Change Frequency” to
“Change Metrics” Switch role of left/right arrow keys
from “
T oggling Between Display of
L
ZSmax
and L
AE
” to “Change
Event”
Switch role of left/right
arrow keys from Change
Event” to “Change
Frequency”
5 5
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