Svantek Shawcity SVAN 977C, User Manual

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115 SVAN 977C User Manual
Changing data type
When the field 9 is active the type of data
displayed (
Raw , Smoothed or Integrated )
can be changed with the
◄
/
► key pressed
together with <Alt> .
<Alt/
►
>
Changing band
When the field 4 is active the central
frequency of the band can be changed with
the
◄ / ► key pressed together with
<Alt> .
<Alt/
►
>
Changing RT function
When the field 13 is active the RT60 analysis
function can be changed with the
◄
/
► key
pressed together with <Alt> .
<Alt/
►
>
Changing cursor position
When the field 14 is active you may change
the cursor position with the
◄ / ► key.
◄ …
RT User reverberation time calculation
1. Select the 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 E).
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 the bar plot.
<ENT>