Product Introduction; Technical Parameters - Auto-T 540312 Mode D'emploi

Thank you for selecting our FM transmitter / Bluetooth hands-free kit.
Please read this User Manual carefully before using the Product to assure
full use of functions and normal operation of the Product.

PRODUCT INTRODUCTION

The Product is a Bluetooth hands-free car charger and MP3 player,
professional-grade Bluetooth chip with high performance is applied, MP3
music in your mobile phone can be transmitted by wireless to car stereo
through Bluetooth connection, hand-free calling is also supported. No
need to convert your car, easily enjoy music and make hands-free calls
during driving, safe and delightful.
DIAGRAM INTRODUCTION
1. 1.4' LCD screen;
2. USB1, U disk interface, support 5V/1A mobile phone
charging;
3. USB2, mobile phone charging, 5V/2.1A+ charging
recognition;
4. AUX interface (input/output), Jack connector, (Note:
AUX is output when U disk, TF card or Bluetooth is playing
music; AUX is input when U disk, TF card or Bluetooth is
not playing music).
5. Multi-function knob: short press to pause/play, long
press to switch mode, turn to adjust volume, after connect
to Bluetooth, short press to answer/hang up call, double
click to redial, long press on incoming call to reject, long
press during talking to switch to private answering;
6. Power switch button;
7. Microphone;
8. TF card slot;
9. Short press to play last song, long press to adjust
FM up;
10. Short press to play next song, long press to adjust
FM down;
11. Power input interface.
OPERATION INSTRUCTIONS
1. Bluetooth Mode
• Insert the Product into lighter socket, turn on hard power switch after
being electrified, the Product will automatically enter turning-on status.
Frequency and battery voltage of the Product will be shown on LCD. Adjust
car radio frequency as same as frequency of the Product.
• Turn on Bluetooth in mobile phone, search for matching name of
"Auto-T", click to connect, after connection is established, "Bluetooth is
connected" will be shown on screen.
• Turn on music player in mobile phone to play music through Bluetooth,
pause/play music and adjust volume with mode button.
• Short press knob button to answer/hang up coming call, long press to
reject, double click to redial, long press during talking to switch to private
answering.
Note: You can only redial the last number you dialed.
2. U Disk Mode
• Insert U disk into USB1 interface, the Product will automatically play
music in U disk, single click knob button to pause/play music, press
frequency button to switch song.
3.TF Card Playing
• Insert TF card into TF card slot, the Product will automatically switch to
TF card mode and automatically play music in TF card, single click knob
button to pause/play music, press frequency button to switch song.
4. Adjust Frequency
• After turning on the Product, long press <</>> to adjust frequency up and
down. Note: Long press <</>> to adjust frequency fast and short press
to adjust slowly.
5. Switch Mode
• When Bluetooth is connected and TF card/U disk/AUX is inserted at the
same time, long press knob button to switch mode.
Note: There will be corresponding voice prompts about current status of
the Product while switching mode and inserting external device.
6. Charging Recognition
• Insert mobile device into USB2 interface, the Product will automatically
recognize device type, communicate with device by corresponding USB
charging protocol, provide device with the max charging current and save
charging time under prediction of protecting device.
POWER-OFF MEMORY
The System will automatically memorize the song, the transmission
frequency and other information before power-off, when you turn on the
Product next time, the System will automatically play the song, but if you
remove or change memory device or the System detects fault, then the
System will play from the first song.
NOTICE
1 . This device has dual charging ports and maximum output is 5V/3.1A
2. Although the transmission power of this product is relatively strong,
better to skip the Frequency with strong signal in local to get a better
sound quality
3. Due to the difference from each phone, there will be some difference
during bluetooth connection.
4. Bluetooth has to be manually reconnected for some phones without auto
connection when power is cut off.
5.This product is compatible with more than 95% phones on the market
but some are still incompatible. Please pay attention to it when purchasing
our product.
6. Do not enlarge the radio volume too much , so as not to increase back
noise of the sound.
7. Do not use this product in a dusty and humid environment with extremely
high and low temperatures.
8. Do not drop the product to avoid surface damage or breakdown.
9.The Bluetooth of this product supports background play. If there
is a prompt tone when playing music with U-disk function, it will be
automatically switched to the Bluetooth mode. After finished call, return to
U-disk function automatic.
PACKAGING
1. Main device; 2. User Manual; 3. Audio Cable

TECHNICAL PARAMETERS

Rated working voltage
Limit working voltage
USB output
Working temperature
Charging identification
Battery voltage display accuracy Error±1V
SNR
Degree of distortion
Frequency response
Left and Right Channel
bluetooth version
bluetooth sound processing
bluetooth transmission distance Barrier-free within 10M
Effective distance of bluetooth
microphone
FM frequency
FM Mode
12V~24V
8-27V
Dual USB output Max:5V/3.1A
0-45 °C
USB2 support 5V/2.1A
>60dB
<0.1%
20Hz-15Khz
>60dB
Version 4.1+EDR
A2DP (Advance Audio Distribu-
tion Profile) function supported
0.5-2 M
87.6-107.9MHz
Stereo digital PLL frequency
locking