AEG CS FMP 550IR Owner's Manual page 28

2. On the mounting base, there are four fasteners. On the binding, there are
two rows of holes. Let the binding surround the pole of the steering wheel,
then select four holes to fasten the fasteners according to the size of the
steering wheel. Then the mounting base and the binding are fixed to the
steering wheel.
3. Use the two screws to fix the mounting cabinet to the mounting base.
4. Fix the remote control to the mounting cabinet. Aim the outshoot on the
mounting cabinet to the groove on the side of the remote control.
5. There are two mounting methods to place the remote control. See below:
If the main unit is placed on the right side of the steering wheel, to operate
the unit conveniently, you can install the remote control on the right pole of
the steering wheel (see Method A), then you can use the right hand to
press the keys on the remote control to control the main unit.
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