Svantek SV 104BIS, User Manual

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96
SV 104BIS User Manual
A.4 F
UNCTION
#3 - R
EAD
-
OUT OF THE MEASUREMENT RESULTS IN
1/1 OCTAVE
OR
1/3 OCTAVE
MODE
#3 function enables one to read out the current measurement results in 1/1 OCTAVE or 1/3 OCTAVE
#3 function format is defined as follows:
#3;
The device responds, sending the last measured spectrum (when the instrument is in STOP state) or currently
measured spectrum (when the instrument is in RUN state) in the following format:
#3;<Status Byte> <LSB of the transmission counter> <MSB of the transmission counter>
<data byte> (...) <data byte>
Status Byte gives the information about the current state of the instrument.
D7 D6 D5 D4 D3 D2 D1 D0
where:
D7 = 0 means that "overload does not happen",
= 1
means that “overload appeared”,
D5 = 0 means that "spectrum is not averaged ",
= 1 means that "spectrum is averaged ",
D4 = 0 the instantaneous current result (RUN State),
= 1 the final result (STOP State),
D3 = 1 results in 1/3 OCTAVE mode,
D2 = 1 results in 1/1 OCTAVE mode,
D6, D3, D1, D0 reserved bits.
Note:
The measurement result is coded in binary form as dB•100 (e.g. 34.5 dB is sent as binary
number 3450).
A.5 FUNCTION #4 -
READ
-
OUT OF THE DATA FILE FROM THE INTERNAL
F
LASH
-D
ISK
OR
RAM
MEMORY
#4 function enables the user to read-out the data file from the internal Flash-Disk or RAM memory.
The data file formats are given in Appendix B.
#4 function formats are defined as follows:
#4,0,\; the file containing the catalogue,
#4,0,?; the count of the files,
#4,0,index,count; the part of the file containing the catalogue,
where:
index - first record,
count - number of records in the catalogue.
#4,1,fname; the file containing the measurement results,
#4,1,fname,?; file
size,
#4,1,fname,offset,length; the part of the file containing the measurement results,