
2-12
Channel Setup Menu
Calibrate
Offset zero
The
Offset zero
function performs a quick offset calibration on the optical chan-
nel. Since the primary source of calibration error on the optical channel is off-
set drift, this function is useful:
• after the plug-in module vertical calibration described in Chapter 3, “Cali-
bration Overview” has been performed,
and
• if the plug-in module has not been removed and reinstalled.
Performing an Offset zero calibration is much faster than performing a com-
plete vertical calibration.
Key Path
Channel,
Calibrate, Offset zero
O/E cal
The plug-in module is provided with factory optical calibrations at 1310 nm
and 1550 nm. The
O/E cal
function allows you to calibrate the instrument for
use at one additional user-defined wavelength between 1000 nm and 1600 nm.
This calibration does
not
affect the factory calibrations.
Calibrate probe
Connect a voltage probe to the plug-in and press
Calibrate probe
.
The analyzer calibrates to the tip of the probe by setting the probe attenuation
to the actual attenuation ratio of the probe. The analyzer also automatically
compensates for any offset the probe may introduce. The CAL signal is inter-
nally routed to the probe tip for Agilent Technologies probes.
Key Path
Channel,
Calibrate, Calibrate probe
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