Turning The Unit On And Off; Display Description - EXFO FVA-600 Guia Del Usuario

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3 Getting Started with Your
FVA-600 Variable
Attenuator

Turning the Unit On and Off

When you turn off the FVA-600, it saves the current attenuation, wavelength,
operation mode, and step size.
If you remove batteries (and the AC adapter is unplugged), the unit
will turn off without saving the above values.
If the battery level is low (and the AC adapter is unplugged), the unit
will save the above values and turn off.
To turn on the unit:
Press
. The unit displays EXFO for a few seconds.
You may use it immediately under normal conditions unless the unit was not shut
down properly. In this case, the unit will mechanically recalibrate itself.
To turn off the unit:
Hold down

Display Description

Selected wavelength
AC adapter
plugged in
Batteries in use
(with level)
FVA-600
a few seconds. The unit saves current settings automatically.
Auto-off activated
I
MPORTANT
Total attenuation in relative or power mode
Step size
Edition value for wavelength, power
Total attenuation in absolute mode (dB)
Relative attenuation in relative mode (dB)
or power in power mode (dBm)
Indicates a calibrated
wavelength in
wavelength edition
mode
5

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