Elenco Snap Circuits SOUND ® - Manual (Page 2)

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1. Most circuit problems are due to incorrect assembly, always
double-check that your circuit exactly matches the drawing for it.
2. Be sure that parts with positive/negative markings are
positioned as per the drawing.
3. Be sure that all connections are securely snapped.
4. Try replacing the batteries.
5. If the flexible sheet in the sound energy demo container is
damaged, replace it with a spare (if one was included), or use
household plastic wrap.
6. If the echo IC (U28) stops working, turn the circuit off and on
to reset it.
ELENCO ® is not responsible for parts damaged due to incorrect wiring.
Basic Troubleshooting
Note: If you suspect you have damaged parts, you can follow the
Advanced Troubleshooting procedure on pages 16 and 17 to determine
which ones need replacing.
Basic Troubleshooting 1
Parts List 2, 3
How to Use Snap Circuits ® 4
About Your Snap Circuits ® SOUND Parts 5-7
Introduction to Electricity 8
Sound in Our World 9-14
DO’s and DON’Ts of Building Circuits 15
Advanced Troubleshooting 16, 17
Project Listings 18, 19
Projects 1 - 188 20-85
Other Snap Circuits ® Projects 86
WARNING: SHOCK HAZARD - Never connect Snap
Circuits ® to the electrical outlets in your home in any way!
Table of Contents
WARNING: Always check your wiring
before turning on a circuit. Never leave
a circuit unattended while the batteries
are installed. Never connect additional
batteries or any other power sources to
your circuits. Discard any cracked or
broken parts.
Adult Supervision: Because children’s
abilities vary so much, even with age
groups, adults should exercise
discretion as to which experiments are
suitable and safe (the instructions
should enable supervising adults to
establish the experiment’s suitability for
the child). Make sure your child reads
and follows all of the relevant
instructions and safety procedures, and
keeps them at hand for reference.
This product is intended for use by
adults and children who have attained
sufficient maturity to read and follow
directions and warnings.
Never modify your parts, as doing so
may disable important safety features in
them, and could put your child at risk of
injury.
WARNING: CHOKING HAZARD -
Small parts. Not for children under 3 years.
!
Conforms to all applicable
U.S. government
requirements.
• Use only 1.5V “AA” type, alkaline batteries
(not included).
• Insert batteries with correct polarity.
• Non-rechargeable batteries should not be
recharged. Rechargeable batteries should
only be charged under adult supervision, and
should not be recharged while in the product.
• Do not mix old and new batteries.
• Do not connect batteries or battery holders
in parallel.
• Do not mix alkaline, standard (carbon-
zinc), or rechargeable (nickel-cadmium)
batteries.
• Remove batteries when they are used up.
• Do not short circuit the battery terminals.
• Never throw batteries in a fire or attempt to
open its outer casing.
• Batteries are harmful if swallowed, so keep
away from small children.
Batteries: !
WARNING: Some projects are intended for use with
headphones (not included in this set). Headphones
performance varies, so you should use caution.
Permanent hearing loss may result from long-term
exposure to sound at high volumes. Start with as
low a volume as possible, then carefully increase to
a comfortable level. Ringing or discomfort in the
ears may indicate that the sound levels are too high;
immediately discontinue using the headphones with
this product and consult a physician.
!