- 8 -
CARE AND MAINTENANCE
TROUBLESHOOTING GUIDE
Symptom
Noise or sound
distorted on AM or
FM broadcast
Station not tuned properly for AM
or FM.
FM: Telescopic antenna is not fully
extended.
AM: Internal antenna is not
positioned correctly
AM or FM no sound
CD player will not
play
CD skips while
playing
Intermittent sound
from CD Player
No sound from Mic
Dirty or defective disc.
Dirty pick up lens.
Player is subject to excessive
shock or vibration
Volume control is set to minimum.
Mic is off
Adjust the volume to MAX, and
then re-adjust to a comfortable
level.
Turn on the mic with the ON/OFF
switch located on the mic.
Clean or replace the defective
disc.
Use a CD-lens cleaning disc to
clean the lens.
Relocate the player away from
shock or vibration
Disc is dirty or scratched.
Wipe CD with clean cloth or use
another disc.
Unit not in CD function mode.
CD is installed incorrectly.
If the CD is self-compiled, the
media used may not be compatible
with the player.
Select CD function mode. Insert
CD with label side up. Use better
quality blank media and retest.
Unit not in Tuner mode, AM or FM
band.
Volume at minimum
Slide function selector to select
AM or FM. Increase Volume
SPECIFICATIONS
Power Requirement:
AC120V 60Hz 14W
Battery (Not included):
DC1.5V ’C’ (UM2) x 8
Frequency Range:
FM: 88-108MHz
AM: 530-1710KHz
Microphone:
600 Ohm Impedance w/3.5mm Dynamic microphone
1. Clean your unit with a damp (never wet) cloth. Solvent or detergent should never be used.
2. Avoid leaving your unit in direct sunlight or in hot, humid or dusty places.
3. Keep your unit away from heating appliances and sources of electrical noise such as
fluorescent lamps or motors.
4. If drop-outs or interruptions occur in the music during CD play, or if the
CD fails to play at all, its bottom surface may require cleaning. Before
playing, wipe the disc from the center outwards with a good soft cleaning
cloth.
Possible Cause
Solution
Fine tune the AM or FM
broadcast station.
FM: Fully extend the FM
Telescopic antenna.
AM: Reposition the unit until the
best reception is obtained.
Summary of Contents for Mark 4 Opus
Page 10: ...9...
