See also:

Ventilation
Front ventilation ► Lever for changing the air flow direction, arrow 1. ► Thumbwheels for opening and closing the vents continuously, arrows 2. ► Thumbwheel to vary the tempera ...

Supplementary text messages
Addition information, such as on the cause of a fault or the required action, can be called up via Check Control. The supplementary text of urgent messages is displayed automatically. It is sh ...

Maintenance
The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery. Your service center will be glad to advise you on questions regarding the battery. ...