111
SVANTEK 977W User Manual
Bar plot of RT60 results
1.
Number of averaged results
2.
RT 1/3 octave plot
3.
Name of the RT result and its value
4.
Used
RT60
calculation method
5.
Cursor position
6.
RT results for Total values
7.
Cursor position value (central 1/3
octave band frequency)
Changing the RT result
When the field 3 is active the
RT60
analysis
result can be changed after pressing the
◄
and
► push-buttons together with
<Alt>
.
<Alt/
►
>
Changing the cursor position
The user may change the cursor position by
means of the
◄ or ► push-buttons.
►
..
.
Sound pressure decay curve plot
1.
Logger file content
2.
T0 marker position
3.
Decay curve plot
4.
Central frequency of selected by cursor
1/3 octave band
5.
Result value (SPL) for the cursor
position
6.
Name of the logger file
7.
T1 marker position
8.
Cursor position
9.
RT60 method
10.
Type
of
data
displayed:
Raw
,
Smoothed
or
Integrated
11.
Calculated steady upper sound level
value
12.
Calculated steady lower sound level
value
13.
RT result (
RT30
,
RT20
,
EDT
and
RT User
) with calculated reverberation
time
14.
Cursor measurement time position
T0 marker position is used as a starting point to all three (and
the
RT User
also) reverberation time calculations.
On the display T1 marker position is labelled (indicator
A7
)
as
EDT
,
RT20
or
RT30
according to which the most restricted
definition of the RT condition is fulfilled.
3
4
12
13
2
11
6
9
14
5
7
8
10
1
2
3
6
7
1
5
4
