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Chapter 4. Implementation 59

Figure 4.19.: The MainWindow displaying the start menu.

manager node, the import function can either replace or merge the internal database with an

external one. In case of merging, the “keep conﬂicting data”-checkbox asks whether conﬂicting

elements should be ignored or accepted. The receive box is a logging output that displays messages

whenever receivers are switched, an error occurred or an important operation has ﬁnished. This

output can be saved manually or automatically by enabling the "automatic ﬁle logging"-checkbox

in the settings box. Another feature inside the settings box it the "view on start-up"-ﬁeld, that

determines whether the start menu, the scene menu or the visualization menu should be loaded

on start-up. This was added for user convenience, as the node atomically starts with the most

interesting menu.

Another important feature is the database manipulation, i.e. changing, adding or removing re-

ceivers or transmitters. Figure 4.20 on the following page shows both the dialogs for changing

or adding a new receiver/transmitter. When clicking one of the scan buttons in the transmitter

dialog, all received protocols from the "protocol input"-topic are added to the corresponding code

ﬁeld for three seconds. As it is possible that multiple transmitters were active during this period

or a single transmitter can transmit a number of diﬀerent codes, the code ﬁeld can contain more

than one protocol message. In order to help selecting the right one, pressing the test-button sends

the code to the gateway driver to see which device actually switches.

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RFXCOM RFXtrx433 Spezifikationen Seite 66