SVAN 948 USER MANUAL .
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Selection of 1/3 OCTAVE analysis result of vibration signal to be saved in the buffer’s file -
BUFFER
The RMS result from 1/3 OCTAVE analysis can be saved in the buffer’s file of the instrument. The
selection of the required result is made with the <
>, <
> push-buttons. The selection of the None text
means that the RMS results are not saved in the buffer’s file. The user causes the return to the
1/3 OCTAVE SETUP/ CHANNEL x sub-list pressing the <ENTER> push-button with the confirmation of
the selections made in the sub-list. The return to the 1/3 OCTAVE SETUP/ CHANNEL x sub-list is also
possible after pressing the <ESC> push-button but all changes are in this case ignored.
The view of the displays in the SPECTRUM sub-list (path: MENU / INPUT / PROFILES SETUP /
1/3 OCTAVE SETUP / CHANNEL x / SPECTRUM), the selection of the BUFFER position
Notice: It is not possible to change the values of the parameters during the execution of
the measurements. It is possible to open different lists and sub-lists but the positions in these lists are not
displayed inversely and so - not accessible. The “Loudspeaker” icon indicates that the instrument is in
the measurement process. In order to change the range the measurement must be finished!
The view of the displays with not accessible parameters of the 1/3 OCTAVE SETUP lists
(path: MENU / INPUT / 1/3 OCTAVE SETUP),
Notice: All other settings of the instrument are common for 1/3 OCTAVE analyser and the
VLM.
Selection of the result which triggers registration in BUFFER mode in 1/3 OCTAVE analysis of
vibration signal
In level meter mode only the result coming from the RMS detector of the one channel is used for
triggering purposes. In the case of vibration measurements it is VECT or RMS value. The SOURCE
position is not accessible in that mode. However, in 1/3 OCTAVE analysis it is possible to access
mentioned above position and to make a selection. The results coming from the output of 1/3 OCTAVE
filters, starting from 125 Hz (125 Hz, 160 Hz, 200 Hz, 250 Hz, …, 8.00 kHz, 10.0 kHz, 12.5 kHz, 16.0 kHz
and 20.0 kHz), are available as well as RMS result from the one selected channel.
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