Zhongshan K-mate General Electronics AT1900 User manual

AT1900 FM Transmitter
User’s manual
About AT1900……………………………………………2
Overview………………………………………………….2
Manually setting a frequency…………………………3
Clear scan………………………………………………..4
Sleep mode………………………………………………4
Charging iPod/iPhone………………………………….4
Operations………………………………………….…….5
Care and maintenance…………………………………5
FAQs……………………………………………………….6
Technical parameters……………………………....…..7

Welcome to use this FM Transmitter, AT1900. Please read this user’s manual
carefully before use.
About AT1900
AT1900 is a FM transmitter for iPod and iPhone, it can not only transmit music
wirelessly from iPod or iPhone to your FM radio, but also charge your iPod or
iPhone through Micro USB port.
The transmitter draws power from your iPod or iPhone. Using it as soon as
you plug it in, it is very convenient to use.
Overview
①iPod dock connector ④Display
②Touch key ∧⑤Micro USB port
③Touch key ∨
①
②
③
④
⑤

Manually setting a frequency
1. Adjust the frequency of the FM radio to a frequency that is not
broadcasting radio station;
2. Turn on your iPod or iPhone;
3. Connect AT1900 to your iPod or iPhone, it will turn on automatically and
its display will be on;
4. Touch ∨key or ∧key to adjust the frequency to be same as the
frequency of FM radio;
5. Play music on your iPod or iPhone, the music will be transmitted to FM
radio.
Play Music
on iPod
Remarks：
Touch ∨key or ∧key once, the frequency will reduce
or increase 0.1MHz.
Touch ∨key or ∧key all the time, the frequency will
reduce or increase 1 MHz/step.
TOUCH

Clear scan
1. Touch ∨key and ∧key once simultaneously, the transmitter will scan a
frequency that is not broadcasting radio station;
2. Adjust the frequency of FM radio to be same as the frequency displayed
on the transmitter.
3. If there is frequency interference, please repeat the above steps 1-2 until
finding a clear frequency.
Sleep mode
1. Sleep mode—When your iPod or iPhone doesn’t play music exceed 1
minutes, the transmitter will enter sleep mode in order to save power.
2. Wake-up mode—Operate your iPod or iPhone or touch the key on the
transmitter, it will turn on automatically.
Remark: The transmitter maybe take a few seconds to turn on.
Charging iPod/iPhone
The transmitter has a DC5V Micro USB port. Connect USB plug of USB cable
to Micro USB port of the transmitter, then connect the other end of DC +5V
USB port, now it starts to charge your iPod or iPhone.
Touch ∨key and ∧key once
simultaneously

Operations
Operation Function
Touch ∨key once Frequency reduces 0.1MHz
Touch ∧key once Frequency increases 0.1MHz
Touch ∨key all the time Frequency reduces quickly(1MHz/step)
Touch ∧key all the time Frequency increases quickly(1MHz/step)
Touch ∨key and ∧key
once simultaneously Clear scan
Care and maintenance
Before using the AT1900, please read the following recommendations, it will
help you to enjoy the product for many years.
Do not expose the transmitter to liquid, moisture or humidity to avoid
the product’s internal circuit being affected.
Don’t use abrasive cleaning solvents to clean the transmitter.
Do not expose the transmitter to extremely high or low temperatures as
this will shorten the life of electronic devices, destroy the battery or
distort certain plastic parts.
Don’t dispose of the transmitter in a fire as it will result in an explosion.
Don’t expose the transmitter to contact with sharp objects as this will
Connect to DC5V
USB port

cause scratches and damage.
Don’t let the transmitter fall down onto the floor. The internal circuit
might get damaged.
Don’t attempt to disassemble the transmitter as it may get damaged if
you are not professional.
In case the product doesn’t function properly, send it to the store you bought
it. The staff will help you to solve the problem.
FAQs
1. What to do when can’t turn on AT1900?
a) Please make sure the transmitter connects well with your iPod or
iPhone;
b) Please make sure your iPod or iPhone has already be turned on;
c) Operate your iPod or iPhone.
2. What to do when is there other audio interference?
a) Please make sure there are no other broadcasting radio stations in the
current set frequency, or you have to re-set a frequency;
b) Please make sure there are no other electronic devices near the
transmitter.
3. What to do when is there no music?
a) Please make sure your iPod or iPhone is playing music;
b) Please ensure the transmitter connects well with your iPod or iPhone;
c) Please make sure the frequency of FM radio coincides with the
frequency of the transmitter;
d) Please adjust the volume properly.

Technical parameters
Frequency range 88.1MHz - 107.9MHz
Rated input DC 5V 500mA
Working temperature -10～45℃
Storage temperature -20～60℃
Dimensions 45×27×8.1mm
Weight 10g
Compatible iPod or
iPhone models
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions: (1) this device may not cause
harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the party
responsible for compliance could void the user’s authority to operate
the equipment.