Fourier DataNet User Manual page 85

Beep Unit
Fourier Systems
Refer to section 4.11.3 for more details.
No Parent Signal/No Parent Found
When a logger's parent unit, such as a Repeater or Receiver,
goes offline then the following screen is immediately displayed
on the logger:
No Parent signal
For example, this could happen if the Receiver managing the
network has formed a new network, so there is no Receiver
managing the previous network. Or if the parent unit is a
Repeater, and it goes offline, then the logger will display this
message.
Once it has determined that the parent signal is lost, it will try
to establish a connection with the network via another
Repeater but if it fails then the following screen is displayed:
Fourier Systems
No Parent found
You will have to leave the network and rescan for a new
network.
Loading Firmware
When updating the firmware of the data logger via the
software's Firmware Update Center, the logger screen will
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