Belkin F8V7105 FM Transmitter User Manual

Belkin International, Inc. FM Transmitter

Users Manual

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F8V7105 Description
F8V7105 is a digital tuning FM transmitter with CLA and USB powered
unit, this system consists of a FM transmitter, a car adapter and a USB
connector, a MCU controller, a LCD display, an EEPROM programmer, as
well as an audio detector, In addition to two press keys which are used to turn
the proper FM frequency.
Transmitter
The transmitter is a FM stereo transmitting configuration, which radiates
FM wave on the air by modulating the carrier signal with a composite signal.
Transmission frequency is set from 88.1 to 107.9MHz.
MCU controller
This MCU controller (Samsung S3P9234) is used to control the systems
radiating frequency by exchange data with the FM transmitter, in which we
can press down and up button to select the transmission frequency for
broadcast. In addition, two memory buttons can be used to store the
frequency through the EEPROM. Press and hold the button for 2 seconds,
then the icon will flash to indicate the desired frequency is stored. In the
operation mode, press M1 or M2 button retrieve the memorized frequency.
LCD display
The LCD display is used to indicate the transmission frequency, so users
can set the same channel for their car radio conveniently.
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Audio detector
Through the MCU controller, the unit will turn on when it detects an audio
signal automatically.
Power supply
This product can be powered by an DC to DC regulator within the
cigarette lighter adapter.
The DC regulator LM2596S-5.0 is a switch regulator, which transforms
input DC into 5VDC as the whole systems power.
Control button
There are three function press buttons. One is up button for turning
up the frequency, another is down button for turning down the frequency,
and the other two buttons are for memories. Users employ those keys to
manipulate easily. In addition to the above function, we can press and hold
both up and down buttons simultaneously for about two seconds turn on
the unit. To turn off the unit, press and hold both buttons simultaneously
again for two seconds or so. At operation mode, press M1 or M2 button
will toggle the memory slots to retrieve the memorized frequency.
Moreover, when there is no key press after ten seconds the unit will return
from memory mode back to operation mode.
Auto Power on & Auto Power off
If there is no audio input audio signal for 1 minute, the unit will
power off automatically to conserve the power while the unit detects the
input audio signal again, it will power in again automatically.
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FCC Statement
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.
Modifications not authorized by the manufacturer may void users
authority to operate this device
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.
A. *The letters IC have no other meaning or purpose than to identify the
Industry Canada certification number/registration number.
B. Operation is subject to the following two conditions: (1) this device may
not cause interference, and (2) this device must accept any interference,
including interference that may cause undesired operation of the device.

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