1. Synchronous seat/backrest inclination adjustment
2. Locking in 3 positions
3. Number of levers – 1
4. Tension adjustment by bottom handwheel
5. Antishock – protection from uncontrolled backrest movement

To raise the seat, get up from the chair, raise the right lever upwards and the seat will begin to raise, then release the lever to lock the seat at the desired height.

To lower the seat, the right lever should be raised in the sitting position, the seat will begain the lower, than release the lewer to lock the seat at the desired height.

Turning the handwheel to the left, the resistance of the backrest and the seat decrease, adapting the chair to people with lower body weight.

Turning the handwheel to the right increase the resistance of the backrest and seat, adapting the chair to people with higher body weight.

Activate the mechanism by pulling the right lever outwards. After releasing the mechanism, press the backrest with your back to obtain the desired angle of the backrest and seat.

Then press the lever inwards to lock the mechanism and set the chair in a specific position. If the mechanism is not locked, you can freely swing in the chair.