EN I CAR MP3 PLAYER
BASIC OPERATION
1. Power ON/OFF and mode (PWR/MOD): Short press PWR/MOD to turn on,
In working status, long press PWR/MOD to turn o.
2. Insert the USB disk and SD/MMC/TF card and short press PWR/MOD,
the selection sequence is as follows: Radio > USB Disc > SD Card > AUX > BT
3. Volume (Volume knob): 1) In default status, rotate (CW) the Volume knob
to increase volume; rotate (CCW) the Volume knob to decrease volume.
The adjustment range is 0 --- 32.
2) Short press the Volume knob, the selection sequence is as follows:
BAS, TRE, BAL, FAD, LOUD, EQ. Short press the Volume knob once time,
the display will show “BAS 00”, and then rotate (CW) the volume knob
to increase bass or rotate (CCW) to decrease bass. The adjustment rage
is BAS-7~BAS07. Short press twice, the display will show “TRE 00”, and
then rotate (CW) the volume knob to increase treble or rotate (CCW)
to decrease treble. The adjustment rage is TRE-7~TRE07.
Short press trice, the display will show “BAL 00”, and then rotate (CW)
the volume knob to decrease the volume of the left speaker;
rotate (CCW) the volume knob to decrease the volume of the right speaker.
The adjustment range is L7~R7. Short press four times, the display will show
“FAD 00”, and then rotate (CW) the volume knob to decrease the volume
of the rear speaker; rotate (CCW) the volume knob to decrease the volume
of the front speaker. The adjustment range is F7~R7. Short press ve times,
the display will show “LOUD OFF”. Then rotate the volume knob to
choose “LOUD ON”; Short press six times, the display will show “EQ OFF,
rotate the volume knob to choose “POP” ,“ROCK”,”JAZZ” and “Class”
4. EQ (EQ key): In Mp3 status, press Volume knob to select POP, ROCK, JAZZ
and CLASS in sequence.
5. Mute (MUT key): In power on status, press MUT key to mute the sound,
the display will ash MUT, press MUT key to resume the sound
RADIO FUNCTION
1. The unit can store 18 FM channels FM1/FM2/FM3 every with 6 channels
2. Auto search stations (>>I or I<< key). In radio status, press key
to automatically search the previous or next stations. If a station is found,
the unit will stop searching and play the current station.
3. Manual search (>>I or I<< key)
In radio status, press and hold >>I or I<< key to switch to manual search mode,
AC9720
the device will manually search the previous >>I or I<< next station. When the
favorite station is approaching, stop holding and press >>I or I<< key to ne
adjust the frequency until you get your favourite station. The mode will switch to
auto search without pressing withing 5 second.
4. Auto storage (BND/AS key): In radio status, press and hold BND/AS to
automatically search stations backward and store the strong signal stations into
1-6 keys of FM1/FM2/FM3 band. When storage completed, the device will play
every station for 5 seconds, then press BND/AS to choose the station you want.
5. Manual storage (1-6 key): In radio status, press and hold any one of 1-6 keys,
the current station will be stored.
MP3 PLAYER: MP3 play is to play with USB disc, SD/MMC/TF card.
In USB disc play status, the display will show”USB”
In SD/MMC/TF card play status, the display will show “SD”
In U disc or SD/MMC/TF card play status, the display will also show the playing
information as track number--minute--second.
1. Single (>>I or I<<) In MP3 status, short press to select the previous or next
2. FR/FF: (>>I or I<<) In MP3 play status, long press to fastly reverse/forward.
3. Pause(1/PAU): IN MP3 play status, short press 1/PAU to pause,
the display will show, short press 1/PAU again to play.
4. INT (2/INT): In MP3 play status, short press 2/INT to play the rst 10 seconds of
each song, the screen will display INT. In this status, short press 2/INT again to
cancel browse, the display will shortly show “ALL” and start normal play.
5. Repeat (3/RPT): In the state of MP3, shortly press 3/RPT for the rst time to
repeat display single song, the screen will show word ”RPT” shortly press 3/RPT to
cancle repeat.
6. Random(4/RDM): In the state of MP3, shortly press 4/RDM to random display,
the screen will show word “RDM”, shortly press 4/RDM again to cancel random
display.
7. -10/+10 (5/-10 and 6/+10): In MP3 play status, short press 5/-10 or 6+10 to
select the previous 10 songs or the next 10 songs. Long press to select the songs
which in the folder.
Clock: Clock display: In MP3 play status, short press CLK, the display will show
CLOCK instead of MP3 information. The unit will turn to MP3 information if no
operation within 5 seconds, The clock is 24 hour clock.
2. Clock adjustment
Short press the CLK to show the time. Long press the CLK and the rotate
the knob to change the hour. Press again to change the minutes.
Bluetooth function:
1. Phone and unit matches: First, please put the phone neat the unit and nd out
the bluetooth function on the phone, and the search the bluetoot’s name CAR BT
password is 0000 then connected it to the unit.
2. Directly talk via bluetooth: Marking calls.
After connect to the bluetooth, make the calls on the phone directly.
Answer the phone calls. The unit has the bell ring when coming calls. Press the
BND/AS button to answer the phone calls or answer it on the phone directly hang
out the calls When you are making calls, press the “MOD” button to hang
up the calls or hand it up on the phone directly.
3. Play the music by bluetooth: After nish to connect to the bluetooth, press the
“MOD” button to change to the state of “BT” and then start the music player on the
phone to play the music
AUX IN: Press PWR/MOD key to switch to AUX IN status, press
PWR/MOD key again to resume.
Remote control indication:
1. Power 2. INT 3. (1) number button
4. (5/-10) selection 5. (4) / Random 6. Previous 10 songs button
7. EQ 8. Audio control 9. Volume lessen
10. Backward selection/downward search 11. Band transfer
12. Mode transfer 13. 3/REPEAT 14. 6+10 selection
15. Next 10 songs 16. Automatic storage 17. Clock show
18. Volume ampliify 19. Play pause button 20. Forward selection/Upward search
21. MUTE
SPECIFICATION:
FM: Frequency range-----------------87.5-108MHz
Maximum sensitivity------------------<37dB
Signal to noise ratio-------------------- >40dB
Stereo separation----------------------- >20dB
MP3: Support format-----------------MP3
Music storage----------------------------U disc TF card
Frequency response-------------------100Hz~10kHz +/-8dB
Signal to noise ratio-------------------- >50dB
Channel separation-------------------- >35dB
Harmonic voltage distortion-------- <5%
Stereo channel balance---------------<3dB
General:
Voltage-------------------------------------DC12V (see label for specic)
Output power----------------------------4x25W
Speaker impedance--------------------4-8 Ohm
Dimension of main frame------------ 178 x 50 x 87mm
Installation:
1. Please carefully read the manual before installation
2. Please apply professional sta to install if possible
3. Do not connect to power cable before other connection is done.
4. To avoid short circuit, please pack the exposed cable with insulating tape.
5. Fix all loose cable after installation completed.
6. This unit is designed to work with 12V DC negative ground electrical
system only. Please ensure your car meets the requirement.
7. Please connect the cables according to the color. Wrong correction
may lead to damage to the unit the electrical system of the vehicle.
Trouble shooting:
Problem / Cause / Solution:
Problem power indicator is o: The power cord is connected in reverse.
S: Connectly connect the power cord. Check and connect both power cord.
No display: Yellow wirling is not connected to positive electrode of the battery.
S: Correct the yellow wiring to the positive of the battery.
No sound: No power. Speakers wiring is disconnected.
No source in supported format TF and U disk.
The edge connector of TF and U disck is dirty lead to poor contact.
S: Connect the power cord. Connect the speaker wiring
Check the sounce in TF and U disk
Sound too low (noise)
Internal resistance of power supply is too loud. The antenna cable is loose.
S: Replace a new power supply. Push the antenna cable rmly into the plug.
MONO only: One of the speaker wiring is disconnect. The power amplier IC
damaged. S: Connect the speaker wiring. Replace the a new power amplier IC.
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Spécication
FM: plage de fréquences -------------------------- 87,5-108 MHz;
Sensibilité maximale -------------------------------- <37dB
Rapport signal sur bruit ---------------------------- > 40dB
Séparation stéréo ------------------------------------ > 20dB
MP3: Prise en charge du format ----------------- MP3
Prise en charge des médias ------------------------ Carte SD/USB
Réponse en fréquence ------------------------------ 100Hz ~ 10kHz +/- 8dB
Rapport signal sur bruit ---------------------------- > 50dB
Séparation des canaux ----------------------------- > 35dB
Distorsion harmonique de tension ------------- <5%
Balance des canaux stéréo ------------------------ <3dB
Général : Tension ------------------------------------ DC12V (voir l'étiquette)
Puissance de sortie ---------------------------------- 4x25W
Impédance du haut-parleur ---------------------- 4-8 Ohm
Dimension du cadre principal ------------------- 178 x 50 x 87 mm
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