MagicWatch MW650 - Waeco

MW-650-4DSM.book Seite 40 Dienstag, 16. Mai 2006 4:28 16Testing functionsMagicWatch MW6506.6 Connecting the control electronicsCaution!Make sure the polarity is correct.On some vehicles, the reversing light only works when the ignitionis switched on. In this case, you must switch on the ignition inorder to identify the positive and negative wires.➤ Connect the red cable (fig. 17.2, page 8) on the control electronics to thepositive wire (+) of the reversing light (fig. 17.1, page 8).➤ Connect the black cable (fig. 17.3, page 8) to the earth wire (–) of thereversing light or to earth (bodywork).7 Testing functionsConduct the functional test as follows:➤ Switch on the ignition and engage reverse gear.✓ A short double beep sounds to indicate that it is working.✓ The numerical display shows the distance to an obstacle if there is onewithin the detection range of 1.5 m.40