
FM23 Quick Guide
Power On
You can use the button on the back size (the right button as below) to power on
or power off FM Transmitter. If the switch is on right side (RED color), means
FM Transmitter is on working; if it’s on left side, means FM Transmitter is off
working.
USB port
Please see the USB port in left side. You can connect the iPhone4G with PC
by using the USB cable for date transferring, charging; or charge your
iPhone4G by connecting with cigarret lighter.
Connect the FM Transmitter with iPhone4G
Plug the FM Transmitter to iPhone4G,select the APP icon, the iPhone4G will
appear “connecting”, as shown (1).
When the system complete the connecting, it will get into the main interface, as
shown (2):
(1) connecting (2) main interface
Transmitter ON and OFF:
Click on the APP interface, can turn on/off the FM Transmitter.
Meanwhile, the disc displayed on the center will use different color to show
different status. GRENN means ON, and RED means OFF.
Shown as below:

(3) ON transmitting mode (4)OFF transmitting mode
Adjust the Frequency:
1. Please rotate the big disk showed on the iPhone by truning your figure, can quickly
adjust the frequency.
2. To click the arrow at both size ends of the ruler, can adjust the frequency
single-step.
Select the song you want to transmit
Click on top left size in APP interface and enter the menu, then select the music
you want to transmit, shown as below.
Press button again means Exit. If you don’t press this Exit button, then the
system will Exit automatically after a period of time.
(5)Select the music you want to transmit
Frequency area selection
Click button on right corner side in main APP interface, and select the frequency
area, as shown (illustrate 4), you will see Europe, USA, Japan, total 3 regions for your
selection. After you select the area you are in, then click “DONE” to exit.
(4)FM area for selection

FM stations preset
Select the 3 buttons shown on APP, can extract the current 3 preset
stations which was saved, and transmit it.
Preset
Press for more than 3 seconds, will enter the storage position, when
the edge of the button starts flashing, you can adjust the radio. If you press
again, you will exit the storage units.
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 radiate 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 equipment off and
on, the user is encouraged to try to correct the interference by one or more of
the following measures:
-- Reorient or relocate the receiving antenna
-- Increase the separation between the equipment and receiver.
-- Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
-- Consult the dealer or an experienced radio/TV technician for help.
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.
The manufacturer is not responsible for any radio or TV interference
caused by unauthorized modifications to this equipment. Such modifications
could void the user's authority to operate the equipment.