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AUDIOCORE AC9720 Manual
Car radio Bluetooth USB/TF/SD/MMC/RDS

1.BASIC OPERATION

• Power ON/OFF: Short press this button power on or power off.
• Volume button/ Sound effect change: Turn this button to control the volume. Short
press repeatedly to change the sound effect as follows:
VOLUM-BASS-TREBLE-BAL-FAD-EQ OFF/ON-LOUD OFF/ON-BT OFF/ON-ID3 ON/OFF
When you choose the mode you need, you can turn left or right Volume Knob to select.
• LCD: It shows radio frequency and content of TF/SD/USB.
• Change radio channel / Search automatically / Storage button. In radio mode, short
press this button to change the band: FM1-FM2-FM3. Long press to search and save the
radio station into the Number (1-6) automatically.
• Radio memory number(1.2.3.4.5.6). In the radio mode, when you get the radio you
like, You can long press any number button (1-6) to save this radio station into this
number. Such you press the number 2, next time you press number 2, it will show the
station directly.
• Radio search backward /Previous song: In the radio mode, short press this button to
search the radio backward. and it will stop and play when it get the radio station.
Long press this button (about three second) to search the radio by manual, then you can
short press this button to search the station, and if you don't press any button for 5
seconds, it will quit this function.
• Radio search forward /Next song: In the radio mode, short press this button to
search the radio forward. and it will stop and play when it get the radio station.
Long press this button (about three second) to search the radio by manual, then you can
short press this button to search the station, and if you don't press any button for 5
seconds, it will quit this function.
• Mode: Short press to change mode: Radio-USB-SD-BT-AUX IN.
• Clock: Short press this button to display the current time. Long press this button until
the clock time flash, then you can turn VOL right and left to adjust time (hour/minute)
respectively.
• Aux in: Short press Mode button to go to AUX in, you can play external music by
inserting in this Aux in hole.
• TF slot /SD slot: Insert TF/SD card into slot, Press the MODE to go into TF/SD mode.
Then it will read the music(MP3/WMA) of the TF/SD card
• USB slot: Insert U disk into (8)USB Slot. it will read the music in U disk.
• TF/SD/MMC/USB:
– Insert TF/SD/MMC/USB into slot, short press >II is pause function.
short press again can go on playing.
– Insert TF/SD/MMC/USB into slot, short press >>I , it will read the next song .
– Insert TF/SD/MMC/USB into slot, short press I<< , it will read the previous song .
– Insert TF/SD/MMC/USB into slot , short press INT is scan function.
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– Insert TF/SD/MMC/USB into slot , short press number RPT is repeat function.
– Insert TF/SD/MMC/USB into slot , short press number RDM is random play function.
– Insert TF/SD/MMC/USB into slot , short press -10/5 is last 10 songs function
Long press
is last file function .
– Insert TF/SD/MMC/USB into slot , short press +10/6 is next 10 songs function.
Long press
is next file function
• TR: After power on. It will change one color automatically for every 3 sec. Short press
this button to choose only one color and short press two time will go back to change
seven color automatically again. Long press this button to power off the color light.

2. RDS OPERATION

• When it is power on ,it is supposed to have the RDS signal, and it will receive and play
RDS radio station automatically, and the operations of RDS radio is the same as FM radio.
• In the MP3 mode, short press button AF/TA and PTY button to turn "ON" .It will receive
and play RDS radio station automatically after 10 to 15 seconds. Only you press the
button AF/TA and PTY button to turn "OFF", it will restart to play the music of USB/SD
card.
• EON: Enhanced Other Networks. It searches other networks or stations for Traffic
announcement automatically, and it will turn into the latest Traffic Announcement
automatically and pause the present playing mode.
• AF: Alternative Frequencies: It will adjust to the strongest signal frequency for the
same station automatically. When the car is being driven from one area to another.
• TP: Traffic Program
• PS: Program Service
• TA: Traffic announcement
• PTY: Program Type.

3. BLUETOOTH OPERATION

• Bluetooth is turned on by default when you power on the player, short press MODE to
select BT MODE. And you will see the BT symbol flashing all the time. The Bluetooth
symbol would not flashing. After the mobile phone succeed in connecting with Bluetooth
• In the BT mode You can play the music of the mobile phone through the Bluetooth.
• In the Bluetooth mode. Short press button

4. TECHNICAL PARAMETERS

Tuner Part:
FM/RDS Frequency Range--------------------------------------------- 87.5MHz-108MHz
FM/RDS noise-limited sensitivity----------------------------------------------- FM<26dB
FM/RDS signal to noise ratio (S/N)------------------------------------------------- >45dB
USB/MMC/SD Part:
Frequency Response------------------------------------------------ 100Hz-10kHz(+10dB)
to answer the and ring off the call.
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