
Power Meter/Light Source/Optical Loss Test Set 11
3 Getting Started
Turning the Unit On and Off
When you turn off the FPM-600 or the FOT-600, it saves the current
wavelength, unit and reference power. It also saves the Hold Min/Max
power mode if activated.
Note: Offset nulling values are always returned to factory settings.
To turn on the unit:
Press . The unit displays EXFO Inc. for a few seconds. You may use it
immediately under normal conditions.
To turn off the unit:
From normal operating mode, hold down a few seconds.
IMPORTANT
If you remove batteries (and the AC adapter is unplugged), the unit
will turn off without saving the above values.
If batteries are low (and the AC adapter is unplugged), the unit will
save the above values and turn off.
WARNING
When the ACTIVE LED on your unit is on, the laser source is active
and emitting light. Do not look directly into a live fiber, and ensure
that your eyes are protected at all times.
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