Svantek SVAN 958A - Page 140

140
SVAN 958A User Manual
• the logger header (cf. Tab. B.1.22);
• the 1/1 OCTAVE or 1/3 OCTAVE logger header (cf. Tab. B.1.23);
• the data stored during the measurements in the logger (cf. Tab. B.1.24);
• the setup data of the instrument (cf. Tab. B.1.26);
• the user-defined filters (cf. Tab. B.1.27);
• the 1/3 OCTAVE analysis header in RT60 mode (cf. Tab. B.1.28);
• the RT60 measurement parameters (cf. Tab. B.1.29);
• the results coming from RT60 measurement in a channel (cf. Tab. B.1.30);
• the averaged results from RT60 measurement in a channel (cf. Tab. B.1.31);
• the results coming from RT60 measurements averaged between the channels (cf. Tab. B.1.32);
• the averaged results coming from RT60 measurements averaged between channels
(cf. Tab. B.1.33);
• the results coming from rotation measurements (cf. Tab. B.1.34);
• the time-domain logger header (cf. Tab. B.1.35);
• the SEAT measurements settings (cf. Tab. B.1.36);
• the Max results coming from 1/1 OCTAVE analysis (cf. Tab. B.1.37);
• the Min results coming from 1/1 OCTAVE analysis (cf. Tab. B.1.38);
• the Max results coming from 1/3 OCTAVE analysis (cf. Tab. B.1.39);
• the Min results coming from 1/3 OCTAVE analysis (cf. Tab. B.1.40);
• the trigger settings (cf. Tab. B.1.41, Tab.B.1.42);
• the settings for CROSS SPECTRUM analysis (cf. Tab.B.1.43);
• the results of CROSS SPECTRUM analysis (cf. Tab.B.1.44);
• the results of SOUND INTENSITY analysis (cf. Tab.B.1.45).
• the Peak results coming from 1/1 OCTAVE analysis (cf. Tab. B.1.46);
• the Peak results coming from 1/3 OCTAVE analysis (cf. Tab. B.1.47);
Below, all file structure groups are described separately in Tab. B.1.1  Tab. B.1.47. The format used in the
columns, named Comment with the square parenthesis ( [xx, yy] ), means the contents
of the word with xx is the most significant byte (MSB) and yy the least significant byte (LSB) of the word. The
format 0xnnnn means that the nnnn is four-digit number in hexadecimal form.
Table B.1.1. File header
Word
number
Name / Value
Comment
0
0xnn01
[01, nn=header_length]
1..4
FileName
file or logger name (8 characters)
if the name starts with two '@' characters, following 6 bytes contain
measurement date and time coded as BCD (each saved digit is
increased by one)
5
FileType
0x0000 - file containing results from logger’s file
0x01nn - file containing measurements results
0x0200 - file containing instrument’s setup data
0x4000 - file containing time-domain signal
6
CurrentDate
file creation date
7
CurrentTime
file creation time
8..11
AssBufFileName
name of the associated logger or file (8 bytes)
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