Guralp Systems Scream - Manual (Page 22)

Scream! 4.5
open with a text entry box. This window lets you edit Scream!'s
calibration values file.
Fill in the text box with calibration information for your digitiser and
the instrument connected to it, in the format described below.
•
To set the serial number of the instrument, include the line
Serial-Nos=serial-number
Scream! cannot tell what instrument is connected to the
digitiser. This line is provided to help you remember which set
of calibration values you have used, and to provide a title for
calibration graphs. If you attach a different instrument to the
same digitiser, you will need to enter new calibration values to
reflect the new instrument.
•
To set the sensitivity of the digitiser, include the line
VPC=sensitivity
VPC stands for voltage per count, measured in units of V/co μ unt.
This is sometimes given as V/Bit μ on the digitiser calibration
sheet.
•
To set the sensitivity of the calibration channel, include the line
CALVPC=sensitivity
as for the other digitiser channels.
22 Issue K