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VP-HF

☆ Headrest height & angle adjustment 
☆ Back-rest tilt angle and the flexible tilt tension adjustment
☆ The automatic flexibility angle of lumbar adjustment 
☆ Arm-pad angle adjustment 
☆ Armrest height adjustment 
☆ Seat height & seat depth adjustment


Headrest Adjustment

Sitting on the chair,hold the headrest and the height up or down,It has seven-position and can be adjustable 5.5cm

When the height of headrest could support scruff position,is the most suitable height.
Headrest Angle Adjustment
Sitting on the chair,hold the headrest backward,with your hands could adjust the headrest angle,totally could adjust 120°.
Sitting on the chair,neck could tilt naturally which is the best headrest angle.
Backrest Tilt Angle Adjustment

Sitting on the chair,Pushing the backrest angle adjust button forward to the end ,one could adjust the backrest angle by reclining,the backrest would be fixed by returing back the button. therer is three-positon and 15° adjustable.

It could be adjusted the angle the most comfortable for you,As to reduce the pressure on spine,one can adjust the angle in his need.another health position is that one can keep the backrest unlocked and recline at random with adjusting the proper tilt rension.
Backrest Flexible Tilt tension Adjustment
swivelling clockwise or anti-clockwise the Backrest Flexible Tilt Tension Adjust Button, one can enhance or reduce the tilt tension.
Was designed by using the synchro mechanism,according to principle of eronomics.When the back,tilt 2.7°,the seat will be up 1°.The design not only make the user feel more comfortable but also reduce the sitting posture harm.
Armrest Height Adjustment
Press the armrest Height adjust button could adjust the height up or down.It has ten-position and 10cm adjustbale.
It is the most proper posture which one put the arm on the armrest naturally,keep the angle 90° and the armrest surface 1〃(2.5cm) higher than the elbow.
Arm-pad Angle Adjustment
Putting the elbow on the armrest ,holding the hrad of the arm-pad,one cluld adjust the angle outward or inward.There id three-position and 16° adjustbale.
It is the availbale method to lighten the harm to the hand ,that one puts the elbow on the armrest naturally according to the working need, and avoid working without support.
Seat Height Adjustment
Sitting on the chair,pushing the Seat Height Adjust Button backward to the end and keeping the hold,one can make the seat height would be fixed without pushed the button.
It's the best height when the knee angle is a little less than 90 and the foot step on the level,There id much harmful to spine for the incorrect height of the seat.
Seat Depth Adjustment
Pull out the Seat Depth Adjust Button you can adjust the seat depth ,when you loosen the button, it can fix the position you just adjust.It can be adjusted 6cm.
It's the best depth when the harnch is full on the seat, the waist is curtched completely and the intuen of the knee can not touch the seat brim.
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