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SVANTEK 977W User Manual
Changing the data type
When the field 9 is active the type of data
displayed (
Raw
,
Smoothed
or
Integrated
)
can be changed after pressing the
◄
and
►
push-buttons together with
<Alt>
.
<Alt/
►
>
Changing the 1/3 octave band
When the field 3 is active the central
frequency of 1/3 octave band can be
changed after pressing the
◄
and
► push-
buttons together with
<Alt>
.
<Alt/
►
>
Changing the RT function
When the field 12 is active the
RT60
analysis
function can be changed after pressing the
◄
and
► push-buttons together with
<Alt>
.
<Alt/
►
>
Changing the cursor position
When the field 13 is active the user may
change the cursor position by means of the
◄ or ► push-buttons.
◄
…
RT User reverberation time calculation
1.
Select the 1/3 octave band or one of the total levels for user reverberation
time calculation process.
2.
Set the position of the marker T1.
Note: The marker should be located on the right side of the T0 marker but not in the noise
background region (for more details see Appendix H).
3.
When the marker position is located
press
<ENTER>
, then select
Yes
field
and press
<ENTER>
again.
4.
The
RT User
result will be calculated
and presented in the field 13, as well in
the Table and 1/3 octave bar plot.
<ENT>
