FX80 / FX81 PON Optical Power Meters User Manual
Page
11
of
50
5. Press
|Shift/Enter|
to save the settings.
5.3
Resetting Test Device
To reset the FX80/FX81 power meter to factory default settings:
1. Disconnect the external power supply from the device.
2. With the device
OFF
, press and hold the red |Power| button for at least 15 seconds.
After the FX8
0/FX81
reboots, reset the date and time (see
Section 5.2. Configuring Device
).
During reset, the threshold and reference values will be lost and they will
have to be reset. Also, the ZERO level operation must be performed again.
For more information, see Sections
, and
The reset DOES NOT erase any previously stored measurement data.