WEIGL ProCommander LX Instruction Manual page 59

ProCommander LX configuration
By clicking on the listed device, the current settings will be
listed in the „Console"-part. Now you can change the IP address,
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the port and the subnet mask and save it on the device. With
the button „Save Permanently" the new parameter are stored
permanently in ProCommander LX. By clicking „Save
Temporarily" the new settings will be temporarily stored, when
the device is switched off and on again, the original stored
values are accepted.