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1st level
70. Siren with Sound in Low
Volume and Red Light
Build the circuit, press the switch
(62), you will hear the siren in a low
volume from the speaker (93) with
the flashing red light on the LED (69).
72. Press Switch-controlled Fire Siren in Low Volume and Red Light
In the circuit, press the switch (62), you will hear the siren in low volume from the speaker (93). Press the
press switch (61), now you will hear a fire siren in low volume with the flashing red light on the LED (69).
73. Magnet-controlled Fire Siren in Low Volume and Red Light
Replace the press switch (61) with the reed switch (83), then press the switch (62). You will hear the siren
in a low volume from the speaker (93) while the red light turns on from the LED (69). Move the magnet (7)
towards the reed switch (83), the fire siren will turn on in a low volume with the flashing red LED (69).
1st level
2nd level
71. Touch-controlled Gun Sounds
in Low Volume and Red Light
Press the switch (62), you will hear a
siren in a low volume, touch the touch
plate (80), gun sounds in a low volume will
be heard with the flashing red light on the
LED (69). Press the touch plate (80) tightly
and it will turn on. Release your hand and
the sounds will stop and the LED (69) will
turn off. You may need to lick your fingers to
make the touch plate (80) function properly.
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