37 of 49
OP940-SW
To take the reference for an insertion loss measurement, connect the reference cable
from the source directly to the detector port of the instrument.
Select the desired mode screen, such as ILRL, and then select the
IL Ref
option.
On the proceeding screen, select the
Start IL Ref option. The instrument will
select each of the sources, measure their
absolute power, and store the reference
accordingly. The process might take a
few seconds.
After referencing insertion loss, the unit
will begin to display the relative power in
real time. After referencing insertion loss,
press the Home Button to return to the
measurement screen.
Input
In
se
rti
on
L
os
s
Example 3:
Referencing and Measuring
Insertion Loss
Содержание OP940-SW
Страница 52: ...www optotest com 1 805 987 1700...