Question about Geberit AquaClean Cama shower toilet

The remote control allows you to conveniently control the shower toilet, including starting the shower, adjusting the shower spray intensity in three stages and other functions. It must be within reach of the appliance during operation. The connection is established by pressing and holding the <+> button on the remote control. The shower toilet can also be controlled via the Geberit Home app, which turns the smartphone into a remote control and enables further settings such as water temperature.