Headrest Height Adjustment

Hold the handle of headrest to adjust the height of it.There are 5 positions with 1.97" range.

The most suitable height could be achieved when one's scruff is fully supported by the headrest.
Headrest Angle Adjustment

Sitting on the chair,one could adjust the headrest angle by turning it.There is three-position and 15º adjustable.

The best angle could be reached when one could move the neck naturally.
Backrest Tilt Angle Adjustment

Push the Backrest Angle Adjustment Lever completely forward and lean against back until the desired angle is achieved,and then return the lever to the original position to lock at an ideal angle.There are 4 positions with 25º range.

The proper Backrest Angle can reduce the pressure on the spine.
Backrest Quick or Slight tilt Tension Adjustment

Pull the lever outwards,open the tilt Tension Adjustment Handle, and turn it forward or backward into a desired tension for quick tilt tension adjustment or close the handle and turn it forward or backward for slight tilt tension adjustment,and then close the handle and push the lever inwards to the original position to fix it.

The synchro mechanism is ergonomically designed to enhance comfort and reduce strain.The back-to-seat adjustment/tilt is 3:1 ratio.
Backrest Height Adjustment Lumbar Support Height Adjustment

Seating on the chair,pressing the Backrest Height Adjustment Buttons can change the height of backrest. 

A.The height of the lumbar support can also be adjusted by pressing the Backrest Height Lever.There are 4 positions locking and the adjustable distance is 2.36". 
B.Suitable height of the lumbar support would bring more comfort for one's waist.
Armrest Height Adjustment

Press the two-side armrest height adjustment buttons to raise or lower the armrests.There are 8 positions with 3.15" range. 

Recommended armrest position: Allow arms to rest comfortably on the armrest at a 90º angle while the armrest is 1" higher than the elbow.
Arm Pad Angle Adjustment

Arm Pad Angle Adjustment:A range of 9ºcan be achieved by swiveling the arm pads inwards.

The best angle could be reached when the arms can rest naturally on the arms pads while working.
Arm Pad Width Adjustment  Arm Pad Forward and Backward  Adjustment

Width Adjustment:hold and push the arm pads outwards or inwards into a desired width of the arms. There are 1.57" range adjustment totally.

Forward and backward Adjustment: Push the arm pads forward or backward to a desired position. The range for it is about 1.57".
Seat Height Adjustment

Push the Seat Height Adjustment Lever backwards and hold it while raising or lowering the seat to change the seat height.When the lever is released,the seat height is fixed. 

Since incorrect seat height contributes to back's fatigue,it is recommended that the angle of knees is slightly less than 90º and feet are level with the floor.
Seat Depth Adjustment

Pull the Seat Depth Adjustment Pull to adjust the seat depth (The approximate range is 1.97"). When the pull is released,the position will be fixed. 

Ideal depth is achieved when the upper legs are on the seat,the lumbar area is in touch with the backrest of the chair,and the back of knees does not touch the edge of seat cushion. 
Seat Gradient Adjustment

A.The gradient of seat can be adjusted by turning the Gradient Adjustment Button to change the angle of the seat.The adjustable range is 0.79". B.Different gradient would meet your different needs with full comfort. 
enjoy chairs, office furniture manufacturer, furniture brands, high quality furniture manufacturers, furniture online