Grammer PRIMO XL Plus Mode D'emploi page 28

Seat functions and operation
* if fitted ** depending on model
28
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*** optional extra
Lumbar support
By turning the adjustment knob to the left or
right, both the height and curvature of the
backrest cushion can be individually adjusted.
This increases both the seating comfort and
the performance of the driver.
Backrest adjustment
Pull up the locking lever to release the back-
rest catch. When releasing the backrest
catch, do not apply load to the backrest by
pressing against it.
By exerting pressure on or off the front or rear
part of the seat pan it can be moved to the
desired position. Release the locking lever to
lock the backrest.
It should not be possible to move the
backrest into another position after it has
been locked.
Fore/aft isolator * ***
The fore/aft isolator improves the absorption
of shock impacts (e.g. when driving at high
speed, in rough terrain or with a trailer at-
tached) in the driving direction by the driver's
seat.
The cushioning effect can be activated or de-
activated with the help of the locking lever.
1 = fore/aft isolator OFF
2 = fore/aft isolator ON
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