GW Instek GSP-930 User Manual - Manual (Page 155)

ADVANCED OPERATION
153
Measurement
items Visual Carrier frequency, amplitude
CNR amplitude difference
Δf frequency difference between
visual carrier and noise
marker.
Example
C
N
R
d
B
1
Δ1
Δf
Visual carrier marker
Noise
marker
Aural, audio
carrier
Channel
spacing
To next main channel
Operation: 1. Press
Meas
> CNR/CSO/CTB[F7]>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 86 for details on moving markers.
Press
Meas
> CNR/CSO/CTB[F7] to return to
the previous menu.