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  Ergohuman Chair Functions

  	Seat Height Control: While sitting in your chair, push the height adjustment lever backward to move your chair up and down. This lever is located on the right side of the seat pan (first lever from the front) . To raise it, reduce the amount of pressure you are applying to the seat pan by standing up off the chair slightly. Move the lever forward to lock your chair in its new position. The best seat height is different for each user, making the seat height adjustment function one of the most important when it comes to the providing proper support for your spine. It is recommended that each user adjust their chair height so that their knee angle can maintain a 90° angle with the underside of your upper leg, Your feet must be laying flat on the floor for it to be considered "ergonomically correct". Seat Depth Adjustment: To adjust the depth of your seat pan, move the seat depth lever back. This is the second lever located on the right side of the seat pan. Move your seat pan so that your haunch is full on the Ergohuman seat and your waist is completely crutched. The inturn of your knees should never touch the seat pan brim. The Ergohuman allows you to sit on only the comfortable mesh and aviod all contact with the chairs frame. The seat depth function allows the Ergohuman to fit a wide range of people. No need to shop for so many different sizes of (A or B) chairs, this is a one-size fits all. Backrest Tilt Tension Control: Turning this knob clock-wise or counter clock-wise will either make it easier or harder for you to tilt back and forth in the chair. The Ergohuman was designed by using a very smart synchro tilt mechanism discovered through the "principle of ergonomics". For every 2.7° of tilt backwards, the seat pan will tilt up 1°.
  	Backrest Tilt Angle Adjustment: While sitting in the Ergohuman chair, push the backrest angle adjustment lever forward to recline the backrest. The lever is located on the left side of your seat-pan. The backrest has three locking positions while using its innovative synchro-recline feature. There is a total of 15° of forward and back movement. This feature is great for computer users who are in an office chair more than 8 hours a day. Allow yourself to find a comfortable reclined position and provide relief to the pressure on your spine. You can also keep the tilt lock un-locked and let chair move freely forward and back.
  	Backrest Height Adjustment: While sitting in the chair, you are able to adjust the entire backrest up and down. Simply reach around and grasp the two levers that lock the backrest into its four different positions. The Backrest has a total of 6 cm of up and down movement. Find an area that places the lumbar support cushion in the best supporting position for your lower back. It is recommended that the best seated position for the average computer user is one that will allow the 3 - 4 vertebra to be supported by a good amount of lumbar support. The Ergohuman lumber support allows you to sit slightly forward on its seat while still maintaining a good deal of lumbar support with its automatic flexing lumbar support system. The mesh on the lumbar support area creates superb comfort
  	Armrest Height Adjustment: In order for users to keep their elbows in the recommended 90° degree position, the Ergohuman armrests move up and down to 10 different postions, with a total of 10 cm of up and down armrest movement. The height adjustability function provides the proper arm posture while seated. It is recommended that every user is able to rest their arms naturally in the correct 90° position, and allow the surface of your armrests to be no higher than 1" to your elbows. This helps to reduce the strain put on users shoulders throughout the working day. Armrest Angle Adjustment: While placing your elbows on the Ergohuman arm pads hold the head of the arm pad. You are then able to adjust each arm pad inward and outward. Each armrest has a total of three overall locked positions, and will provide you with 16° of adjustability. Ergohuman multi-dimensional armrests provide great support for your forearms. While typing at a computer, the Ergohuman will alllow your arms to be fully supported, while still maintaining the most natural typing position. This function allows you to type with full arm and shoulder support.
  	Headrest Height & Angle Adjustment: While sitting in the Ergohuman, you are able to adjust the headrest up or down by holding the underside of it. There is a total of five different height positions, providing the user 5 cm of up and down height adjustment. The user is able to adjust the headrest angle by simply turning or pivoting the headrest around its permanent axis. There are three headrest positions available, providing a total 15° of adjustable range. The headrest provides each user the most comfortable angle required to hold their head up naturally. This then allows you to relax your neck and helps to reduce the fatigue you would normally experience while sitting in an office chair for many hours.