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ORL-55
JDSU
5 O
PERATION
Display absolute level in Watt
Highlight
Watt
and press
[MENU ENTER]
.
Independent from the actually selected display mode
(relative or absolute), display will change to absolute
mode when selecting Watt. In the dB/dBm menu line
dBm will be shown.
Highlight
dBm
and press
[MENU ENTER]
if you wish
to display absolute level in
dBm
.
Setting the reference value
The relative power display mode shows the actual
measured power level relatively to a reference value.
This reference value can be set by defining the actual
power level as reference value and can be edited
manually.
Setting the reference level
The device is in absolute power level display mode.
1. Press
[MENU ENTER]
to open Main menu.
2. Select
ABS
Ref
and press
[MENU ENTER]
to store
reference level.
The actual power level is set as new reference level.
The reference level is displayed in the top display bar.
Reference power level display mode is activated.
Note:
The reference level must be stored for each
wavelength separately and will be saved during power
off.
Editingthe reference level
A reference level can be also edited manually.
1. Select
Edit Ref. Level
in the MAIN menu.
The measurement display opens, showing EDIT in the
top right corner: