3: Pairing of devices later If you wish to connect another hand control, a smartphone or a tablet to your TD4 later, you must disconnect from the mains, wait for one minute and plug it in again. Now the TD4 is in pairing mode again. Follow the instructions on the opposite page depending on which device you want to pair. The TD4 goes into pairing mode every time the system is unplugged and reconnected again. To get the system out of pairing mode, you simply have to push a button on one of the devices/ controls that are already paired with the TD4. If you did not manage to pair a device with the TD4 within the 3 minutes it was in pairing mode, you need to disconnect it. After 1 minute, you can connect it again – it will now be in pairing mode for 3 minutes again. Mechanical emergency lowering Emergency lowering is meant for lowering the bed if a power failure occurs and the bed needs to be driven down into horizontal position. Disconnect the TD4 from the mains. Take the hex key on the side of the TD4. Underneath the TD4 are two gaps for mechanical lowering – simply place the hex key in the gap, one end at a time, and turn the hex key in the direction the arrows indicate. It is important that you turn the hex key in the direction indicated in the pictograms. If you turn it in the wrong direction, you can destroy the inner screw and thus make it impossible to lower the bed in an emergency. Never use an electric screwdriver to lower the bed. It is important that you use only the supplied hex key.
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