Cento Observer Anleitung Seite 3

EN
SHORT O P E R A T I N G INSTRUCTIONS
Observer
The office chair Observer is especially designed for the 24 hours /
7 days use e.g. in control rooms and control centres.
 Seat height setting
Pull lever upwards – height can be set.
Release lever – seat height is fixed again.
‚ Changes to the seat inclination / free swinging function
You can use your Observer fixed (3 positions possibly) or
constantly movable in the free swinging mode.
Pull lever upwards – mechanics is fixed.
Press lever down and press with the upper part of the body
against the back rest (security release) – free swinging function is
activated.
ƒ Spring tension settings
For the individual adjusting regarding the body weight of the
user using the free swinging function the lever at the mechanics
has to be pulled out:
clockwise – higher counterpressure – for heavy user
counter clockwise – lower counterpressure – for lightweight user
Attention : Basic condition for the longevity of the Observer is
the correct setting of the mechanics on the weight of the user.
„ Inflatable pelvic props
The activation of the pump means strengthening of the support.
The reduction of the air pressure by means of a press button at
the pump leads to a decline of the support.
4D Armrests
Bottom view
... Folding armrests or 4D armrests:
The inclination of the folding armrests can be shifted with a
rotary wheel (handwheel) on the underside of the armrests.
These armrests can flap back upwards.
4D armrests are:
• adjustable regarding width – lever under the seat
• height adjustable – push button at the outside of the armrest
• horizontally adjustable – by shifting the support plate
• support plate 360° rotateable – push button on the inside of
the support plate
† Additional inclinations of the back support:
To adjust – pull the lever on the right, rear side of the seat
upwards.
‡ Cervical props
Six-way cervical prop. Adjustable in height and inclination.
ˆ Seat extension
Activate the lever and thereby pull the seat to the position
desired.
‰ Inclination adjustment for the seat
The handle has to be pulled upwards. The incliniation can be
adjusted between -2° – +19°
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