Radio Shack 42-4035 User Manual
18
TROUBLESHOOTING
If your Concertmate 690 is not performing as it should, these suggestions might
help. If you still cannot solve the problem, take your Concertmate 690 to your local
RadioShack store for assistance.
help. If you still cannot solve the problem, take your Concertmate 690 to your local
RadioShack store for assistance.
Problem
Possible Cause
Suggestion
No sound from the
Concertmate 690
Concertmate 690
Power supply problem.
Check the power supply.
Are batteries installed
correctly?
correctly?
Are batteries fresh?
Is the adapter connected
properly?
properly?
No accompaniment
when accompaniment
keys are pressed
when accompaniment
keys are pressed
MODE
is set to
FINGERED
and you pressed less
than three keys for a
chord.
than three keys for a
chord.
Press at least three accom-
paniment keys.
paniment keys.
Occasional interfer-
ence
ence
Refrigerators, washing
machines and similar
electric appliances are
causing interference.
machines and similar
electric appliances are
causing interference.
Use an AC outlet on a differ-
ent electrical circuit, away
from the appliance.
ent electrical circuit, away
from the appliance.
42-4035.fm Page 18 Thursday, August 12, 1999 8:05 AM