TCC UNO Guide D'utilisation page 9

4. Armrest adjustments
(Uno 16, 18, 20, 30, 40)
A-Armrests fixed, not adjustable
MFA-Armrests, height adjustable
Push the button on the outside of the
armrest underneath the pad to adjust the
height of them.
5. Integrated lumbar adjustment
Height adjustment of the backrest
lumbar support by pushing the lever on
the left side of the backrest up or down.
The integrated lumbar support is
optimally adjusted when you feel a light
pressure in the lower part of your back
(lumbar area).
6. Castors
Castors as per DIN EN 12 5 29 – with load
controlled braking mechanism.