Backrest Extension; Seat Heater; Lumbar Support - Jacobsen AR3 Safety, Operation And Maintenance Manual

9.11.3

BACKREST EXTENSION * **

The backrest extension can be individually adjusted
by pulling it upwards or pushing it downwards over
the various locking increments up the end stop.
To remove the backrest extension, pull it upwards
over the end stop.
* If Fitted
** Optional Extra
9.11.4

SEAT HEATER * **

The seat heater can be turned on/off by pressing the
switch.
1 = seat heater OFF
2 = seat heater ON
* If Fitted
** Optional Extra

9.11.5LUMBAR SUPPORT

The lumbar support increases both the seating
comfort and the performance of the driver.
By turning the adjustment knob upwards, the
curvature in the upper part of the backrest cushion
can be adjusted. By turning the knob downwards, the
curvature in the lower part of the backrest cushion
can be adjusted.
0 = No curvature
1 = Max. curvature at the top
2 = Max. curvature at the bottom
ADJUSTMENTS 9
A
en-61