71.6.7. SETTING THE BACK HEIGHTRelease the handle located on the back. Adjust the back.Remember to tighten the handle afterwards.1.6.4. SETTING ANGLE OF SEATAdjusted by pulling up the middle handle on the right-handside.The handle is pressed down to lock the desired seat angle.Note: Be aware of pinching risk when adjusting the seat angle!1.6.5. SETTING ANGLE OF BACKRESTAdjusted by pulling up the rear handle on the right-hand side.The handle is pressed down to lock the desired back angle.1.6.6. ADJUSTING LUMBAR SUPPORT (ALB BACK)The backrest can be adjusted to provide optimal lumbarsupport by pulling up the handle on the right-hand side ofthe backrest. The backrest adjusts to fit and support the lowerback. Release the handle, and the backrest remains in thedesired lumbar angle.ALBBACK