SmartBoard
4
Operation and Functions
25
Controlling automatic functionality
If automated functionality is activated in the Trailer EBS E1, the icon "Auto" will be
shown in the <Manoeuvring aid> menu in SmartBoard:
The "Automatic" mode is activated or deactivated with the <Right arrow> button.
By pressing the <OK> button, the function can also be activated manually e. g. to
actuate the OptiLoad function while the vehicle is at a standstill.
The manually activated function is deactivated again if the shut-off values (speed
or bellows pressure) defined in the Trailer EBS E1 are achieved or the ignition of
the vehicle is started again.
The symbols in the lower portion of the display do not show the current status, they
show the function of the respective buttons located underneath.
Notation Description Note
Manually deactivate function (trip func-
tion) in automatic mode
Button <Arrow right>: Deactivate auto-
matic mode
Button <OK>: Manual activation of the
function (until achieving the defined
speed or until ignition OFF)
Manually activate function in automatic
mode
Button <Arrow right>: Deactivate auto-
matic mode
Button <OK>: Manually deactivating
function (until ignition OFF)
Manually activate function (trip func-
tion) with automatic mode switched off
Button <Arrow right>: Activate auto-
matic mode
Button <OK>: Manually deactivating
the function
Manually deactivate function with
automatic mode switched off
Button <Arrow right>: Activate auto-
matic mode
Button <OK>: Manual activation of the
function (until achieving the defined
speed or until ignition OFF)
4.4.8 Relaxation function
WARNING
Risk of injury due to moving vehicle.
– Make sure that no persons are in the trailer danger zone when actuating the
relaxation function!
– Attach a clearly marked note on the steering wheel that work is being per-
formed on vehicle!
During loading and unloading procedures of semitrailers, the axle assembly is
stressed if the brakes are applied on the entire unit. If the handbrake is released af-
ter the unloading process for example, the chassis can spring up suddenly be-
cause the air suspension lifts immediately with the still full air suspension bellows
and the lack of a load on the vehicle. The new relaxation function prevents the
chassis from suddenly springing up.
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