The USB 1.1 interface is the serial one working with 12 MHz clock. Its speed is relatively high, and it ensures
the common usage of USB in all produced nowadays Personal Computers.
The HOST USB functionality is also available. The USB HOST controller installed in the instrument enables
the user to connect to this instrument the USB memory sticks, USB hard disks, USB printers etc.
The RS 232 interface is also available but as an option. In order to activate this option, the user must buy a
special cable with a programmed processor. This interface complies with CCIT V.24 standard. Practically all
Personal Computers can be linked to the instrument by means of this interface. The maximum available
transmission speed is equal to 115200 bits/sec.
The IrDA serial interface is also available as an option. It requires dedicated hardware and this option should
be unlocked by a software code.
The functions, which are developed in order to control data flow in the serial interfaces, ensure:
- bi-directional data transmission,
- remote control of the instrument.
The user, in order to programme the serial interface, has to:
1. send "the function code",
2. send an appropriate data file
or
3. receive a data file.
Following basic input/output transmission types (called functions) are available:
#1 input / output of the control setting codes,
#2 read out of the main measurement results,
#3 read out of the measurement results in 1/x OCTAVE or FFT mode,
#4 read out of the data file from the internal Flash-disc,
#5 read out of the statistical analysis results,
#6 remote settings of the user filters,
#7 special control functions,
#9 writing the data file on the internal flash-disk,
#D read / write the data files from the external memory (SD-card).
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