A SERVICE OF

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29
TROUBLESHOOTING
If your Concertmate 980 is not performing as it should, these suggestions might help.
If you still cannot solve the problem, take the keyboard to your local RadioShack
store for assistance.
Trouble Possible Cause Remedy
No sound, even if keys
are pressed.
The keyboard has
turned off automatically.
Set
POWER/MODE
to
OFF
then
ON
again.
Volume is turned down. Repeatedly press
MAIN
VOLUME
s to increase the
volume.
Headphones are con-
nected.
Disconnect headphones.
Power supply problem. Check the power supply.
Are battery symbols
(+/–) facing correctly?
Are the batteries fresh?
Is the AC or DC adapter
connected properly?
You are pressing too few
accompaniment keys
while
POWER/MODE
is
set to
FINGERED
.
Set
POWER/MODE
to
NOR-
MAL
or
CONCERT CHORD
.
Press 3 or 4 keys to form a
chord while
POWER/MODE
is set to
FINGERED
.
No sound when con-
nected to an external
amplifier.
Volume
is turned down. Repeatedly press
MAIN
VOLUME
s to increase the
volume.
Defective connection
cord.
Replace the connection
cord.
The key or tuning does
not match when playing
along with another
MIDI instrument.
The tuning or transpose
parameter is set to a val-
ue other than
0
or
00
.
Set the
tuning or transpose
to
0
or
00
.
42-4038.fm Page 29 Thursday, August 12, 1999 8:50 AM