Elster EK280 - Page 64

64 Operation
Symbol
Meaning
Frozen display
The displayed values have "frozen" (are not up-to-date). The
current values will be displayed after pressing any button. The
display freezing can be caused by pressing the function key .
External power supply
If this symbol appears, the EK280 is being supplied power from
an external unit connected to the terminals.
Signal strength of the radio network for the external modem
(connected to the terminals). This symbol will only be shown if
an external modem has been connected and is active.
Signal strength of the radio network for the internal (in-built)
modem.
This symbol will only be shown if the in-built modem is active.
Charge status of the battery