Fourier DataNet User Manual page 142

The visual and audible alarms will return to normal. If after
reset the logger is still in alarm conditions, then the visible and
audible alarms will return.
Call Unit (Beep)
This feature sends a command to the logger to beep for
several seconds. This is useful when trying to physically
locate a logger in your facility.
Calibration
Refer to section 4.13.4 on page 151 for an overview of the
Calibration feature.
Note: A logger can't be calibrated while it is in Run mode.
The option will be grayed out. You must Stop the logger first.
Update Firmware
Refer to section 5.2 on page 176 for an overview of the
Update Firmware feature.
Leave Network
Selecting this feature will kick the logger off the network. The
logger will reset and will start scanning for a new network to
join.
You will be prompted to enter a password when selecting this
feature.
Note: The default password is 1234.
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