rustle is enough for the recorder to start recording). The best of VAS is
achieved experimentally. You can start by setting VAS level at - 20 dB (after
you have changed the settings, do not forget to press the button «Apply
changes to the
Recorder»). After disconnecting the recorder off the PC enable
recording and place it in the conditions similar to the planned recording (for
example, lecture in a classroom). With the level of VAS properly configured, after
the desired signal, the recorder switches to record mode which will be indicated
by a LED flashing. If desired signal stops, and the VAS time is up, the recorder
switches to Signal Standby mode.
•
If in case of silence, the recorder does not go to Signal Standby Mode and
continues recording, VAS level is to be changed to be closer to zero (if it was -20
dB, now it should be set at -17 dB).
•
If when desired signal appears the recorder does not go to Record Mode, the level of
VAS should be changed to be closer to -55 dB (if it was - 20 dB, now you need to set it
at - 25 dB).
2.
VAS time is adjusted from 1 to 15 seconds. If you set VAS time at 1 second,
the record within the file will be divided into many pieces with the pauses in
conversation for more than 1 second. If you set 15 seconds, after any
knocking the recorder will continue recording silence for 15 seconds. The
best of VAS is achieved experimentally, but for most cases the value of
7 seconds is enough.
If VAS operates together with timers, you don't have to enable recording as it
starts automatically with the timer, providing that you synchronized the
recorder's time with the time on the PC.
14.
Circular Recording
The Recorder has the option of circular recording. In the EMPlus program you can
devote a part of the recorder's memory (or the whole memory) to circular recording.
After there is no more free memory, the recorder begins to record new data over old
ones. The volume of the memory specified determines the duration of the resulting
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