1. SEAT HEIGHT
To Raise the chair in height lift this lever whilst unseated. To Lower the chair in height lift this
lever whilst seated.
2. BACK RAKE ADJUSTMENT
By raising this lever up the chair back rest will be in free float. When in free float you can
then lean against the back rest to alter the angle of the back. Once you have found a
position you are comfortable with, push down on the lever to lock it off.
3. ASYNCHRONOUS SEAT ANGLE ADJUSTMENT (Ergonom B Only)
By raising this lever up the chair mechanism will be in free float. To lock the synchronous
mechanism simply find a position you are comfortable with and push down on the lever to lock it off.
4. ERGOLAST® WEIGHT TENSION CONTROL (Optional Feature on Ergonom B Only)
By turning the knob anti-clockwise when seated you will increase the level of resistance to the
asynchronous action of the chair and by rotating it clockwise, the resistance is reduced.
Adjust to suit your body weight.
5. SLIDING SEAT MECHANISM (Optional Feature)
Using either hand release the mechanism by gently lifting the front under seat bar.
This will enable you to slide the seat forwards and backwards to suit your upper leg length.
By releasing the bar this will lock the seat pan in your chosen postion.
6. DUO-BACK®© HEIGHT ADJUSTMENT
Turn this wheel (1/2 to 1 turn) in anti-clockwise direction to loosen the back rest, then with
your free hand raise or lower the back rest to the desired height and lock it in place by
turning this wheel in a clockwise direction.
7. DUO-BACK®© WIDTH ADJUSTMENT
Turn this wheel in a clockwise direction to decrease the width of the Duo-Back®© back rest pads
and in an anti-clockwise direction to increase the width.
8. ARMREST HEIGHT ADJUSTMENT
Press and hold this button, raise or lower the arm rest to the desired height and release the button.
ERGONOM & ERGONOM 'B' DUO-BACK®© - CHAIR ADJUSTMENTS
