GW Instek GSP-9300 - Page 192

GSP-9300 User Manual
190
Example
2
CTB
dB
1
Visual carrier marker
CTB Beat marker
Channel
spacing
To next main channel
Operation:
1. Press
Measure
> More[F7]>CNR/CSO/CTB[F1]>
Setup[F1]> CTB[F3]>Return[F7] to choose CTB
measurement and return to the previous menu.
2. Press CTB[F2] and turn CTB on.
 Any other measurement mode will automatically be
disabled.
3. The display splits into two screens. The top
shows the trace with the visual carrier marker.
The bottom screen shows the CTB
measurements.
 This will place a marker (
1
) on the visual carrier and
record the amplitude.
CTB measurements
Visual carrier
marker
CTB beat
marker