Guralp Systems CMG-40T User Manual
Page 28

CMG-40T
5. If you need to scale one, but not another, of the traces, right-click on the
trace and select Scale.... You can then type in a suitable scale factor for
that trace.
6. Pause the Waveview window by clicking on the
icon.
7. Hold down
SHIFT and drag across the window to select the calibration
signal and the returning component(s). Release the mouse button,
keeping
SHIFT held down. A menu will pop up. Choose Broadband
Noise Calibration.
8. The script will ask you to fill in sensor calibration parameters for each
component you have selected.
Most data can be found on the calibration sheet for your sensor. Under
Instrument response, you should fill in the sensor response code for your
sensor, according to the table below. Instrument Type should be set to
the model number of the sensor.
If the file
calvals.txt exists in the same directory as Scream!'s
28
Issue A