GW Instek GSP-9300 - Page 187

ADVANCED OPERATION
185
ΔMarker:
User defined delta marker
position.
Measurement
items
Visual Carrier
frequency, amplitude
CNR
amplitude difference
Δ f
frequency difference between
visual carrier and noise
marker.
Example
CNR dB
1
Δ1
Δf
Visual carrier marker
Noise
marker
Color subcarrier,
aural carrier
Channel
spacing
To next main channel
Operation:
1. Press
Measure
>More[F7]>CNR/CSO/CTB[F1]>
Setup[F1]> CNR[F1] to choose CNR
measurement.
2. Press Noise Marking[F1] and toggle the noise
marker type between Min and ΔMarker.
3. If Min was selected, press Return[F7] to return
to the previous menu.
4. If ΔMarker was selected, press
Marker
>
Delta[F4]>Delta[F1] and set the delta marker
position.
 See page 96 for details on moving markers.
Press
Measure
> CNR/CSO/CTB[F7] to return to