Fault diagnosis unit for connection to a motor vehicle control unit, especially for use with a goods vehicle or bus, has a display with a zoom unit that is used to enlarge the display of activation indicators on the screen edge

摘要

Fault diagnosis unit for connection to a motor vehicle control unit, whereby the fault diagnosis unit has the following: a display on which a number of activation indicators (51-54, 61-64) indicate the operation status of equipment controlled by the control unit and a display zoom unit which is used to enlarge the display of the activation indicators, which then enlarges the display of the activation units along the edges of the display unit.