| http://www.w3.org/ns/prov#value | - For example, in the state when a main switch 2 is turned on but a running motor 70M is not operated, a voltage switching signal (not shown) designating a low output voltage is outputted from the running control portion 60 shown in FIG. 6, and on the basis of this voltage switching signal, the output voltage of the lighting device system power supply VCL is set at for example 11 V, to lower the pow
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