Vislink Strata RX, Техническое справочное руководство

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Routine Operation 3-17
Strata RX
Operator’s Guide/Tech Ref Manual
3.4.8 Monitoring Signal-to-Noise Ratio (SNR)
Another useful indicator of digital signal quality is the Signal-to-
Noise Ratio (SNR). SNR is a ratio expressed in dB, and
calculated as:
The SNR Monitor screen provides two pieces of information:
• The current SNR reading
• The current IF filter setting.
To access the SNR Monitor Screen, follow these steps:
Be sure Strata is connected and
powered. See “Setting Up” and
“Turning the power ON and OFF”.
Start at the Main Screen.
Turn the Control Switch RIGHT until
the display shows the SNR Monitor
Screen. It will be similar to this:
Overall Signal Strength / Detected Noise
Preset #3
-43.2 dBm
SNR 20.78 dB
IF Filter Dig
To lock this screen on the display, also do the
following:
Push the Control Switch to lock the
display on this screen. Data on
display will continue to update.
To allow the screen to default normally to the Main
Screen, do the following:
Push the Control Switch to unlock the
display.
Display changes back to Main
Screen.