Casio DG-20 - Troubleshooting and Guidelines; Troubleshooting Common Issues; FCC Interference Guidelines

TROUBLESHOOTING GUIDE
Symptom
Possible Cause
Remedy
No sound is output, even when ■ Main volume control is at its
■ Adjust main volume to desired
strings are played.
minimum.
level.
■ Headphones connected.
■ Disconnect headphones.
■ Auto power OFF function has
■ Turn power back ON (see page
turned power OFF.
6)
Rhythm does not sound.
■ Rhythm volume control is at its
■ Adjust rhythm volume to desired
minimum.
level.
Sound is occasionally distorted. ■ Interference caused by electrical
■ Use a power outlet away from
appliances.
appliances.
Occasional reception of television
■ High-output broadcasting station
■ Try changing position of
or radio waves. in neighborhood.
instrument.
(Ex) If you’re playing near a
window, try moving away from
window.
For further suggestions,
contact your service center.
No sound output when unit is con- ■ Main volume control is at its ■ Raise main volume level,
nected to external amp. minimum. ■ Replace connection cord.
■ Short in connection cord.
Guidelines
l^ki Down by FCC Rules
tor Use of the Unit
In the U.S.A.
Not ApplicabiG to Other
This equipment generates and
J|*es radio frequency energy and
W not installed and used properly,
is, in strict accordance with
Jne manufacturer’s instructions,
™ ]f c ® u s e interference to radio
te, ©vision reception. It has
«een type tested and found to
®ejjjply wjth the limits for a Class
Jj^mputing device in accordance
tjIStt e s P ec K ' c ations in Subpart
Rules, which
; «lyj lesi 9 n e d to provide reason-
protection against such
erence in a residential instal-
However, there is no guarantee
that interference will not occur in a
particular installation. If this equip¬
ment does cause interference to
radio or television reception, which
can be determined by turning the
equipment off and on, the user is
encouraged to try to correct the
interference by one or more of the
following measures:
■ reorient the receiving antenna
■ relocate the computer with
respect to the receiver
■ move the computer away from
the receiver
■ plug the computer into a differ¬
ent outlet so that computer and
receiver are on different branch
circuits.
If necessary, the user should con¬
sult the dealer or an experienced
radio/television technician for addi¬
tional suggestions. The user may
find the following booklet prepared
by the Federal Communications
Commission helpful:
“How to Identify and Resolve
Radio-TV Interference Problems”.
This booklet is available from the
US Government Printing Office,
Washington, D.C., 20402, Stock
No. 004-000-00345-4.
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