Grouptronics GTCD-501 User manual

Warnings and Precautions
This symbol,located on the back or This symbol,located on the back or
bottom of the unit,is intended to alert bottom of the unit,is intended to alert
the user to the presence of uninsulated the user to the presence of important
“dangerous voltage”within
the operating and maintenance(servicing)
Product’
s enclosure that may constitute instructions in the literature
a risk of electric shock to persons. Accompanying the appliance.
CAUTION:TO PREVENT ELECTRIC SHOCK, ENSURE
TO INSERT 2 PIN PLUG CORRECTLY INTO THE
MATCHING SOCKET OR ADAPTOR.
To reduce the risk of electric shock, do not remove cover (or back).
There are no user-serviceable parts inside. Please refer any servicing
to qualified service personnel.
Do not mix old and new batteries.
DO not mix alkaline,standard(carbon-zinc),or rechargeable (ni-cad,ni-mh,etc) batteries.
NOTE:This equipment has been tested and found to comply with the limits for a class B digital device,pursuant to part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates,uses,and can radio frequency energy and,if not installed and used
in accordance with the instructions,may cause harmful interference to radio communications. However,there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception,which can be determined by turning the turning the equipment off and
on,the user is encouraged to try to correct the interference by one or more of the following measures:
 Re-position or relocate the receiving antenna.
 Increase the separation between the equipment and receiver.
 Connect the equipment into an outlet on a circuit different form that to which the receiver is connected.
 Consult the dealer or an experienced radio/TV technician for help.
WARNING:Changes or modifications to this unit not approved by the party responsib
le for
compliance could void the user’s authority to operatic the equipment.
This product utilizes a Class 1 laser to
read Compact Discs. This laser
Compact Disc Player is equipped
with safety switches to avoid
exposure when the CD door is
opened and the CD player’s lid is
damaged. Invisible laser radiation
is present when the CD player is
open and the system’s interlock
has failed or has been damaged. It
is very important that you avoid
direct exposure to the laser beam
at all times. Please do not attempt
to damage or bypass the safety
switches.
WARNING:To prevent fire or shock hazards,do not expose this unit to rain or moisture.
CAUTION: Danger of explosion if battery is incorrectly replaced,Replace only with the same or
equivalent type.

Controls

1. OPEN/CLOSE
2. POWER
3. PREVIOUS / NEXT – For changing tracks and fast forward / rewind
4. STOP/REP – to stop playback or change REPEAT mode
5. VOL+/VOL- - volume adjustment
6. AUX – Auxiliary input socket
7. USB PORT
8. EQ/MODE – To change stereos playback mode & to adjust preset equaliser mode
9. PLAY/PAUSE – To start playback or pause for CDs and USB. Also used for auto tuning
of radio
10. HEADPHONE SOCKET
11. Mains power cable socket

GENERAL
POWERING PLAYER ON / OFF
When in standby mode short press POWER to turn unit on, short press again to turn
player off. The stereo defaults to FM mode when first powered on.
ADJUSTING VOLUME
1. Short press VOL+ or VOL- to change volume by a single unit.
2. Long press VOL+ or VOL- for continual volume adjustment.
Changing audio mode
1. One short press EQ/MODE to change to next mode. Change between FM radio, CD,
USB and AUX.
Changing equaliser mode
To give you the best audio quality the CD player comes preset with 5 preset equalizer
modes – Classical, rock, pop, jazz and flat.
1. To change EQ mode long press EQ/MODE button to change to the next preset EQ
mode.

RADIO
Using the radio
1. Press the EQ/MODE Button to change to FM mode.
rAD will be briefly displayed on the screen when radio mode is chosen. After 2-3
seconds display will then change to radio frequency being displayed.
2. Extend the FM antenna to improve FM radio reception.
3. Short press PREV or NEXT track buttons to step through the radio frequencies.
Long press PREV or NEXT track buttons to auto tune to the next available radio station.
Long press PLAY/PAUSE to auto tune the radio in to all available stations and save all
found radio stations to memory.
Saving radio stations
Up to 20 frequencies can be saved to memory.
1. When in FM mode: Short press STOP/REP to save the current radio station to
memory. PO1 will flash on screen. To change the preset number the radio station will
be saved to, press the PLAY/PAUSE button to increase the preset number from P01 to
P20.
2. Now press STOP/REP to save the channel to the current preset memory number
shown on the display.
To recall saved radio stations
1. When in FM model: Press PLAY/PAUSE button repeatedly to find the preset number
you wish to recall.
2. Once your preset number is shown on screen do not press any other button for 1-2
seconds and the radio will change to the saved radio frequency.
CD
Playing a CD
1. Open the CD door and place a CD or CD-R/RW disc into the player.
2. Press the EQ/MODE Button to change to CD mode. CD will be displayed on screen

briefly for 2-3 seconds.
3. Press the Play/Pause Button to begin playing the loaded CD.
4. To change music track short press the PREVIOUS or NEXT buttons. To fast forward or
rewind the current music track long press PREVIOUS or NEXT buttons.
Repeat play
The CD player can repeat either a single track or repeat play all tracks on your CD.
1. Whilst your CD is playing short press STOP/REP to repeat the current track. ONE will
be briefly displayed on screen.
2. Press STOP/REP a second time to change repeat one track to repeat all tracks. ALL
will be briefly displayed on screen.
3. To cancel repeat playback short press STOP/REP again and OFF will be briefly
displayed on screen. The player will no longer repeat any tracks.
USB
Playing MP3 tracks from USB flash drive
1. Connect your USB flash drive to the USB port on the front of the stereo.
2. Press the EQ/MODE Button to change to USB mode. USB will be displayed on screen
briefly for 2-3 seconds.
3. Press the Play/Pause Button to begin playing your MP3 tracks held on your USB
drive.
4. To change music track short press the PREVIOUS or NEXT buttons. To fast forward or
rewind the current music track long press PREVIOUS or NEXT buttons.
Repeat play
The stereo can repeat either a single track or repeat play all tracks on your USB drive.
1. Whilst an MP3 music track is playing from your USB drive short press STOP/REP to
repeat the current track. ONE will be briefly displayed on screen.
2. Press STOP/REP a second time to change repeat one track to repeat all tracks. ALL
will be briefly displayed on screen.
3. To cancel repeat playback short press STOP/REP again and OFF will be briefly
displayed on screen. The player will no longer repeat any tracks.

AUXILIARY INPUT
The stereo can be connected to other audio sources such as MP3 player, phone or
tablet for playback of the audio on the stereo’s own speakers.
1. Connect an AUX audio cable (not included) to the AUX socket on the front of the CD
player and the other end of the cable to audio output on MP3 player / phone / tablet
etc.
2. Press the EQ/MODE Button to change to change the Function to AUX mode. AUX
will be displayed on screen. Audio played through the connected MP3 player / phone /
tablet will now be heard through the stereo.
Technical Specifications:
Input voltage: AC 100-240V~ 50/60Hz
Output power: 2 x 2W
FM:87.5-108MHz
Machine size: L261*W226*H132mm
Battery: 4 x ‘C’ size batteries (not include)

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