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Normalize
Open Port
Configuration
Normalizing
The device should be normalized from time to time to
ensure high measurement accuracy. This is done with
the port open, i.e. no DUT connected.
To normalize the unit:
1. Disconnect the DUT from the test port.
Normalization can be performed with an open test port
or with a mandrel for high return loss measurements.
2. Clean the fibre end surface of the test port.
3. Switch on the laser.
4. Press [MENU ENTER] to open the ORL MAIN menu.
5. Select Normalize Open Port.
The normalization will be performed and the display
will switch to measurement mode.
The display shows "High".
Note: Normalization will be performed for all
wavelengths automatically.
JDSU
Stores the internal noise in ORL
mode as reference value.
Change basic settings (see
„Configuring the device" on
page
16).
Dangerous laser radiation!
Laser radiation can cause irreparable
damage to the eye and the skin.
!
When the system or test generator is
switched on, never look directly into the
output or into a connected optical fiber.
cORL-A1
5 O
PERATION
37
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