NO, if the radio will not turn off it is receiving power so the
fuse is not the problem.
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You have to clap twice and if that does not work then turn the
on botton off.
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When you turn your radio on and off, you are simply flicking the
switch in the circuit, the same as any circuit with a switch in it.
When you turn it on, the switch completes the circuit, and current
can flow around the circuit.