EXFO FTB-3930 MultiTest - Manual (Page 22)

Setting Up Your Multifunction Loss Tester
16 FTB-3930
Setting Pass/Fail Thresholds
Setting Pass/Fail Thresholds
You can define groups of thresholds to specify acceptable power (in W or
dBm), power reference (in dB), F
AS T ES T loss (in dB and dB per distance
unit) and ORL values (in dB) for each wavelength.
Thresholds are supplied by system manufacturers and depend on the
system deployed.
Measurements exceeding a threshold are shown with an exclamation
mark. In the test tabs, these measurements also have a red background.
Note: When transferring results from handheld unit to computer, thresholds are
not transferred along with results.
I
MPORTANT
Thresholds are not saved with measurements. Results are compared
to the threshold group currently associated to the file (for F
AS
T
ES
T
results, not necessarily the master unit).