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Operation
Symbol Description
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
This symbol indicates that the DL230 is supplied via the inte-
grated power supply unit.
Signal strength of the radio network for the GSM modem.
This symbol will only be shown if the modem is active.
Battery life display
6.3.5 Error messages when entering values
If a value has been entered incorrectly via the keyboard, input error mes-
sages will be displayed.
This is shown as follows: -- x --
x = error code according to the following table
Code
Description
1
The archive is empty. No values have been entered.
The archive value cannot be read.
2
The archive may already have been opened by the interface
for readings.
4
This parameter cannot be changed (constant).
5
You are no authorized to change this value.
To change this value, a corresponding lock must be opened.
6
Invalid value
The value entered is outside the permissible limits.
7
Incorrect code
The code entered (numerical code) is incorrect; the lock will
not be opened.
.
59
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