Wavetek Wandel Goltermann CLI-1450 Operation Manual page 27

Noise Floor Correction Noise Floor Correction
Noise Floor Correction Noise Floor Correction Noise Floor Correction
This calibration measures the noise floor of your CLI-1450.
You should perform it periodically to ensure accurate mea-
surements.
IMPORTANT IMPORTANT
IMPORTANT IMPORTANT IMPORTANT
Before performing the Noise Floor Correction calibration,
you should make sure that there is nothing connected to
either the
of your CLI-1450.
Press the
CLI-1450 will guide you through the process.
IMPORTANT IMPORTANT
IMPORTANT IMPORTANT IMPORTANT
The CLI-1750 meter assumes that leakage tag depth of
modulation is set for 3 dB. This is precisely set on the WWG
Model LT-1000 Leakage Tagger at the factory. If another
manufacturer's tagger is used, some calibration of percent
modulation may be necessary for optimal accuracy. Follow
the tagger manufacturer's procedure for performing this
calibration.
INGRESS INGRESS
INGRESS INGRESS INGRESS
Sets the measurement and limit parameters for the reverse ingress
scan feature. Press the
1-20
or ports (including Docking Station, DS-1)
key to initiate the calibration procedure. Your
key to access the ingress options.