Displaying Relative Power Level - Viavi SmartClass OLP-87 Operating Manual

9 B O
ROADBAND PERATION
D
ISPLAYING RELATIVE POWER LEVEL
NOTE:
68
1. To toggle between the display modes, tap the power level in
the measurement display.
– or –
[A]
2. Press the key and tap the
between both options.
– or –
Tap the [dB] button.
– or –
Tap the [Pass/Fail]

Displaying relative power level

The actual measured power level relative to a reference value is
displayed in relative power display mode. The reference value
can be set by defining the actual power level as the reference
value or can be edited manually.
To set the actual power level as reference level:
The instrument is in Powermeter mode.
I
[A]
1. Press the key and tap the [Store
The actual power level is set as the new reference level. The
reference level is displayed underneath the wavelength.
Reference power level display mode is activated.
The reference level is stored for each wavelength and is saved
even when the power is off.
To edit the reference level:
The reference level can also be edited manually.
The relative power level is displayed.
I
[dBm/Watt]
button.
ABS->REF]
button to toggle
button.
OLP-87/OLP-87P