Guralp Systems CMG-3ESPCD - Manual (Page 35)

CMG-3ESPCD Digital Broadband Seismometer Calibrating the 3ESPCD
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
MAN-C3E-0002 35 Issue B - November 2013