CEMB USA N500 - Manual (Page 29)

Vibrometer mode 5 - 5
When and then is selected, the entire monitoring can be saved in a file
for subsequent analysis.
When the acquisition is enabled for both channels, the data save is performed automatically
for both channels in the same file.
N.B.
As access to the Monitoring in time function is gained from the
VIBROMETER screen, the settings used for calculation of the overall value are
the ones selected in the VIBROMETER SETUP screen.
N.B.
The memory allotted for a single monitoring, allows memorizing a maximum of
1024 values per channel: when the limit is reached, the acquisition is stopped
automatically without data loss. For this reason, it is important to use the most
suitable frequency according to the duration of the phenomenon concerned.