GW Instek GSP-930 User Manual - Manual (Page 156)

GSP-930 User Manual
154
5. Press CNR[F2] and turn CNR on.
 Any other measurement mode will automatically be
disabled.
 Ensure the aural and color subcarriers are disabled
before CNR is turned on.
6. The display splits into two screens. The top
shows the trace with the visual carrier marker
and the noise marker. The bottom screen shows
the CNR measurements.
CNR measurements
Visual carrier
marker
Noise
marker
7. Press CNR CH SP[F2] to set the channel space.
Range: 0~3GHz
8. Press Channel Move Down[F4] or Channel Move
Up [F5] to move to the next or previous
channel.
Note
Ensure the aural and color subcarriers are turned
off when making CNR measurements.