Guralp Systems CMG-3T User Manual

Page 24

CMG-3T

calibration will be used to determine the complete sensor response in

one action. Please refer to the digitizer's manual for information on
other calibration methods.

1. In Scream!'s main window, right-click on the digitiser's icon and

select Control.... Open the Calibration pane.

2. Select the calibration channel corresponding to the instrument,

and choose Broadband Noise. Select the component you wish

to calibrate, together with a suitable duration and amplitude,
and click Inject now. A new data stream, ending Cn (n = 0 – 7)
or MB, should appear in Scream!'s main window containing the

returned calibration signal.

3. Open a Waveview window on the calibration signal and the

returned streams by selecting them and double-clicking. The
streams should display the calibration signal combined with the

sensors' own measurements. If you cannot see the calibration
signal, zoom into the Waveview using the scaling icons at the

Issue N

This manual is related to the following products:

CMG-3ESP