Betzold 89211 Mode D'emploi page 45

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F: Music With Visual Indicators
94. Hand-operated, acoustic-visual doorbell
Close the slide switch (15). The loudspeaker (20) allows music to play.
The music can then be switched off again with the pressure switch (14).
95. Magnet-operated, acoustic-visual doorbell
Replace the pressure switch (14) with the reed switch (13) and the bell
can be switched with the magnet.
96. Light-operated , acoustic-visual doorbell
Replace the pressure switch (14) with the photo-sensor (16); Thereby
the bell can now be switched using light. When light falls on the photo-
sensor (16) the bell sounds. If the photo-resistor (16) is in sufficient
shadow, the bell music stops (for example, by dimming with the box lid)
97. Moisture-operated, acoustic-visual doorbell
When the pressure switch (14) is replaced with the humidity switch (12),
the music plays when the contact surface becomes moist, for example,
with a wet finger, and the loudspeaker (17) allows the music to play.
98. Sound-operated, acoustic-visual doorbell – 1 –
Connect the sound transducer (11) to the points A and B. When the
music stops, it is started again when you clap your hands or speak
loudly.
99. Sound-operated, acoustic-visual doorbell – 2 –
Connect the sound transducer (11) to the points B and C. When the
music stops, it is started again when you clap your hands or speak
loudly.
100. Motor-operated, acoustic-visual doorbell – 1 –
Connect the motor (24) to the points A and B. When the music stops,
it is started again when you slightly turn the axle of the motor (24).
101. Motor-operated, acoustic-visual doorbell – 2 –
Connect the motor (24) to the points B and C. When the music stops,
it is started again when you slightly turn the axle of the motor (24).
102. Vibration switch-operated, acoustic-visual doorbell – 1 –
Close the slide switch (15). When the music stops, it is started again
when you lightly tap on the base plate.
103. Vibration switch-operated, acoustic-visual doorbell – 2 –
Replace the the LED (17) with the vibration switch (10), lightly tap on
the base plate and the music plays again.
104. Time-limited, hand-operated, acoustic-visual doorbell – 1 –
Replace the vibration switch (10) with the pressure switch (14), on
pressing it the music starts.
105. Time-limited, hand-operated, acoustic-visual doorbell – 2 –
Replace the the LED (17) with the pressure switch (14), on pressing it
the music starts.
106. Time-limited, hand-operated, acoustic-visual doorbell – 3 –
Remove the vibration switch (10), keep the LED (17). Connect the
pressure switch (14) to the points A and B. The music plays on
operating the switch (14).
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© Arnulf Betzold GmbH