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Compact Disc Player
GCD720RA Series
Instruction Manual
Performance Note
Whilst this unit has been designed to provide the best possible anti shock protection when on
the move, it cannot provide completely uninterrupted playback whilst running or Jogging.
SPECIFICATIONS
Programme Play...............................Up to 24 tracks
Line output........................................0.6V RMS
Earphone output...............................18mW
Power requirement............................DC 4.5V external and battery 3V
Dimension.........................................130(W) x 27(H) x 140(D) mm
Weight...............................................200g not including battery (Main Unit)
For improvement purposed, specification and design are subject to change without notice.
Goodmans Product Information Helpline 0870 873 0080
( "AA" Cell x 2) (IEC R6. JIS SUM-3
or Ni-MH rechargeable battery)
IMPORTANT NOTES
Your hearing is very important to you and to us so please take care when operating this
equipment. It is strongly recommended that you follow the listed guidelines in order to
prevent possible damage or loss of hearing:
ESTABLISH A SAFE SOUND LEVEL
Over time your hearing will adapt to continuous loud sounds and will give the impression
that the volume has in fact been reduced. What seems normal to you may in fact be
harmful. To guard against this BEFORE YOUR HEARING ADAPTS set the volume at a
low level.
Slowly increase the level until you can hear comfortably and clearly and without
distortion.
Damage to your hearing is accumulative and is irreversible.
Any ringing or discomfort in the ears indicates that the volume is too loud.
Once you have established a comfortable listening level, DO NOT INCREASE THE SOUND
LEVEL FURTHER.
The following list of typical sound levels may assist you in recognizing just how loud you have
set the volume level.
DECIBEL
Level dB
Example
30dB
Quiet Library, soft whispers
40
Living room, fridge freezer bedroom away from traffic.
50
Normal conversation, quiet office, light traffic.
60
Electric sewing machine.
70
Vacuum cleaner, hair dryer, noisy restaurant.
THE FOLLOWING NOISES CAN BE HARMFUL UNDER CONSTANT EXPOSURE
80dB
Average city traffic, alarm clock buzzer at 2 feet, food mixer.
90dB
Motorcycle, heavy goods vehicle, petrol lawn mower.
100
Pneumatic drill, chain saw, garbage truck, discotec / night - club.
120
Rock band concert, thunderclap.
PERMANENT LOSS OF HEARING
140
THRESHOLD OF PAIN Gunshot 2 feet away.
180
Rocket Launching pad.
1

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Summary of Contents for Goodmans GCD720RA Series

  • Page 1 Dimension........…130(W) x 27(H) x 140(D) mm Weight...........….200g not including battery (Main Unit) THRESHOLD OF PAIN Gunshot 2 feet away. Rocket Launching pad. For improvement purposed, specification and design are subject to change without notice. Goodmans Product Information Helpline 0870 873 0080...
  • Page 2: Location Of Controls

    1. LOCATION OF CONTROLS This product does not contain a separate Power On / Off switch. After inserting a disc and installing batteries / AC adaptor, simply press the Play button to switch on and play a disc. In order to maximise battery life and provide optimum playing time this product incorporates an Auto Power Off function.
  • Page 3: Power Sources Normal Batteries/Ac Adaptor

    2.POWER SOURCES NORMAL BATTERIES/AC ADAPTOR 3. CHARGING AND USE OF RECHARGEABLE BATTERIES AC Operation Battery Power Operation Rechargeable Battery Operation (AC ADAPTOR NOT SUPPLIED) 1. Insert the DC plug, at the end of a 1. Open the battery compartment This unit can fully recharge the specified rechargeable battery, in approximately suitable AC adaptor cord into the DC cover and insert two 'AA' alkaline 15 hours.
  • Page 4: Earphone And Hi-Fi Connection

    4. EARPHONE AND HI-FI CONNECTION 5. BASIC DISC PLAY Ensure the hold switch is off. Listening with the earphone Connecting to component 1. Connect the earphones to the audio systems PHONES socket. 2. Slide the OPEN switch to open the Connect the plug of the stereo Connect the stereo connection CD compartment lid.
  • Page 5: Lcd Display Information

    6. LCD DISPLAY INFORMATION 7. REPEAT / PLAY MODES When the is pressed at initial start up Every time the MODE button is pressed. The display will briefly show as fig 1 The corresponding mode appears in the display window. then proceed to start playback.
  • Page 6: Random Play

    8. INTRO SCAN AND PROGRAMMED TRACK PLAY 9. RANDOM PLAY INTRO RAND Enables all the tracks on a disc to be played in a Random ( Shuffle ) sequence. During playback Plays the first 10 seconds of each track on the disc. For example : If "RAND"...
  • Page 7: Player Maintenance

    11. ANTI-SHOCK PROTECTION 13. DISC CLEANING AND TROUBLESHOOTING GUIDE Cleaning the Disc This player incorporates the latest digital anti shock circuit, which prevents When a disc becomes dirty, clean it with a interruption of the sound output if the unit is subjected to shock or vibration cleaning cloth.
  • Page 8 14. PRODUCT SPECIFICATIONS PICK-UP System Compact disc digital audio system Laser diode Material: GaAIAs Wavelength : = 780nm Properties Emission duration : continuous Laser output : <44.6 µW Error correction Cross-interleave Reed-solomon code AUDIO D/A conversion 1-bit DAC 8 times oversampling Frequency response 20-20, 000Hz (+1/-3 dB) Wow and flutter...

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