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You should insert the battery so that its plus pole points upwards (and
therefore remains visible).
• Enclose the component in suitable shrink film and use a hot air blower to shrink the film.
To avoid damaging the device, do not apply the heat for too long. An
overheated battery could cause an explosion or a fire!
• Cut the shrink film along the contours of the device, so that its buttons are uncovered and
can be used.
Once again make sure that you do not cause a short-circuit and that you
do not damage the components or the circuit board.
• Install the ‘FS20 S4UB’ flush-mounted battery transmitter in its previous installation
location and attach the installation button.
If you previously switched off the supply voltage, you can now switch it on again.
• Check that the device functions properly.