User's Manual

FCC Caution: Any changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate this equipment.
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.
This device and its antenna(s) must not be co-located or operating in conjunction with any other
antenna or transmitter.
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.
To maintain compliance with FCC’s RF Exposure guidelines, This equipment should be installed
and operated with minimum distance between 20cm the radiator your body: Use only the supplied
antenna.
FCC ID: YB2-CD903
Safety Precautions:
1.Be cautious to prevent from the excessive output power and avoid your listening injury when
setting the volume.
2.Avoid to connect the moisture, rains, sand or all kinds of heat source, do not play the vases
or other objects with liquids on the device.
3.Please clean it with slightly wet soft cloth when cleaning, do not clean with alcohol or
benzene solution.
4.Please turn off the main power switch if not using for long time.
5.Please do not repair the device by yourself, it shall be assumed by users themselves if it is
damaged by repairing by themselves.