Svantek SVAN 977A - Page 186

186
SVAN 977A User Manual - Appendixes
Table B.1.20 RT60 parameters
Word
number
Name
Comment
0
0xnn1A
[1A = id, nn = block’s length]
1
RT60SaveMode
type of results in block 1B:
1 - results,
2 - averaged results
2
RT60Method_p
calculation method:
1 - DECAY,
2 - IMPULSE
3
RT60Spectrum
type of spectrum:
1 - 1/1 OCTAVE,
2 - 1/3 OCTAVE
4
buff_step_p
logger time step in milliseconds
5
ResponseTime_p
1÷30
6
reserved
7
DispSmooth
0÷15
8
NoiseMargin
0÷20 (*10dB)
9
RT60Averaging
0 - Off, 1 - On
10
RT60MeasureNo
averaging number
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Table B.1.21 Header of the logger file
Word
number
Name
Comment
0
0xnn0F
[0F, nn=header’s length]
1
BuffTSec
logger time step - full seconds part
2
BuffTMilisec
logger time step - milliseconds part
note: The current logger time step in seconds can be obtained from
the formula:
T = BuffTSec + BuffTMillisec / 1000
3,4
BuffLength
logger length (bytes)
5,6
RecsInBuff
number of records in the logger
7,8
RecsInObserv
number of records in the observation period equal to:
number of records in the logger + number of records not saved
9,10
AudioRecords
number of audio records in the logger
11
MStUnitNumber
monitoring station unit number
(ignored if 0xFFFF)
12
MStUnitType
type of the monitoring station: 211 (SV 211) or 210 (SV 210)
(ignored if 0xFFFF)
13
MStSoftwareVersion
monitoring station software version
(ignored if 0xFFFF)
14,15
MStIntTimeSec
integration period of meteo results in seconds
(ignored if 0xFFFFFFFF)
16,17
SummaryResCnt
number of Summary Results in the logger
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