49
Fig. 13.
The 90CA main window for preamplifier calibration
This main window is where you can
•
Start
a new calibration
• Measure the
noise floor
(linear and A-weighted)
•
Edit
the customer ID
• Measure the
frequency response
•
Edit
the test conditions
• Measure the
relative sensitivity
•
Save
data to a .txt file
• Measure the
LEMO reference level
(must be
done before you can measure the sensitivity)
•
Load
data from a previously
saved data file
• Measure
the
CCP reference level
(must be done
before you can measure the sensitivity)
•
•
Stop
a calibration process
•
Measure DC voltage
of a
preamplifier
Registering a New Calibration
After you establish the test conditions, you can start a new calibration.
1. On the main screen, click
New Calibration
; a new window opens.
2. Select the correct preamplifier type that you are about to test.