Premier 3503C4, Instruction Manual, Page: 8 / 11

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3.
3. 3.
3.
Push the middle button, the indicating light 2 on, the buzzer will
buzz once, and the motor runs at mid speed. Push it again and the
motor will stop
4.
4. 4.
4.
Push the high button, the indicating light 3 on, the buzzer will buzz
once, and motor runs on high speed. Push it again and the motor
will stop
5.
5.
5. 5. Push the light button; the indicating light 4 on, and the two lighting
lamps will come on. Push it again and the lamps will turn off, with
every push the buzzer will buzz one time.