26 ORL-55 JDSU
5 O
PERATION
5 OPERATION
The ORL-55 provides three operation modes:
1. Laser Source: The ORL-55 works as a laser source.
2. Power Meter: The ORL-55 works as a power meter.
3. Return Loss Test: The ORL-55 works as a return loss
test meter. Both laser source and power meter are
activated.
4. Visual Fault Locator (optional): The ORL-55
switches to VFL mode. All other functions are
deactivated.
To select mode 1 to 3:
Press [Device Mode] repeatedly:
Laser Source Power Meter Return Loss Test ...
The selected mode will be shown on top of display.
To select VFL mode:
Open the MAIN menu and select Switch to VFL
Mode.
Laser Source mode
Display in Laser Source mode
Depending on your ORL-55 model (two or three
wavelengths) you will see different displays after
powering on the device.
Fig. 8 Measurement display in laser source mode.
Laser ON
Auto-
Laser OFF
Continuous
Wave
2 wavelengths
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