
Setting Up and Operating your FOT-5200
CWDM Analyzer 19
Finding Relative Value (dB) of All Channels
Finding Relative Value (dB) of All Channels
The following shows the relative value (dB) of all channels based on
independent standard value (dBm), which appears when you press
dB/dBm ( ) on the SCAN ALL screen.
If you press ALL SCAN from the current state, it scans the newly measured
value (dBm) to compare with the existing standard value REF (dBm) and
generates the relative value (dB).
Press dB/dBm once more to cancel the relative value (dB/dBm) mode.
Relative value (dB)
Standard value (dBm)
Relative value (dB)
New absolute value (dBm)
Existing absolute value (dBm)
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