TriBrer EPN70, User Manual, Page: 10 / 22

9
PON REF set
Threshold
REF/
dBm/dB
F/P
mode
ReCall
Save
Enter
>2S PERM
1490nm 1550nm
OLT Video CO
1310nm
ONT
REF It will show you the reference value you stored
before, then turn the unit to dB.Keep pressing for 2 seconds,
you can save current value as reference.
dBm/dB Change the unit ( dBm, dB)
Note: The value must be in the testing range when you press
these two keys.