Steren K-800 Manual De Instrucciones página 20

25.- Magnet-controlled adjustable speed electric fan
Close the switch 15, the lamp 18 will light up, the motor 24 will spin
round, if you put the magnet close to the switch 13 you can control the
rotation speed.
26.- Circuit tester
The tester can check if a wire has a break or not. Place the two ends
of the wire on A and B terminals, if the LED 17 lights up, the wire is not
damaged, but if not, the wire is broken.
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