FX87 DWDM Tunable Laser Source User’s Manual
Page
19
of
39
Current power value set as the reference level
The current reference level value is shown at the second row on the left
(-6.86dBm in the example above).
•
REF MEM
command: the previously saved reference level is taken from the device
memory and set as active.
•
REF OFF
command: makes the previously saved reference level inactive. The
measurement result is then shown in
dBm
.
Broadband measurement taken against a reference level
