User's Manual
COMPLIANCE WITH FCC REGULATIONS
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.
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
p r o v i d e r e a s on a b l e p r o t e c t i o n a g a i n s t h a r m f u l i n t e r f e r e n c e i n a r e s i d e n t i a l
installation. This equipment generates, uses and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions, may ca us e ha rm ful
interference to radio communications. However, there is no guarantee that interference
w i l l n o t o c cu r i n a pa rt ic u l a r i ns ta l l a ti on . I f t h i s equipment d oes ca u se har mful
interference to radio or television reception, whi ch can be determin ed 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.
Caution: The user is cautioned that changes or modifications not expressly approved
by the party responsible for compliance could void the user's authority to operate the
equipment.
This equipment complies with FCC’s RF radiation exposure limits set forth for an
uncontrolled environment. The antenna(s) used for this transmitter must be
installed and operated to provide a separation distance of at least 20 cm from all
persons and must not be collocated or operating in conjunction with any other
antenna or transmitter.Installers must ensure that 20cm separation distance will
be maintained between the device (excluding its handset) and users.
EN-9
CARE AND MAINTENANCE
3.It is normal for the KT4557 to get warm while charging your smart phone or
portable device.
4.Do not charge your smart phone or o th e r p or ta bl e d e vi ce s over 12 hours
continuously. Disconnect you r s mart p hone or other portable device from
the USB cord once it is fully charged.
1.Avoid operating your unit under direct sunlight or in hot, humid or dusty places.
2.Keep your unit away from heating appliances and sources of electrical noise such as
fluorescent lamps or motors.
3.In case of malfunction, unplug the unit from the electrical power outlet immediately.
CLEANING THE UNIT
To prevent fire or shock hazard, disconnect the AC adapter of your unit from the AC
power source when cleaning.
The unit cabinet may be cleaned with a dust cloth and cared for as other furniture. Use
caution when cleaning and wiping the plastic parts.
If the cabinet becomes dusty, wipe it with a soft dry dust cloth. Do not use any wax or
polish sprays on the cabinet.
If the front panel becomes dirty or smudged with fingerprints, it may be cleaned with
a soft cloth slightly dampened with a mild soap and water solution. Never use abrasive
cloths or polishes as these will damage the finish of your unit.
CAUTION: Never allow any water or other liquids to get inside the unit while cleaning.
90 DAY LIMITED WARRANTY AND SERVICE
VALID IN THE U.S.A. ONLY
SPECTRA MERCHANDISING INTERNATIONAL, INC. warrants this unit to be free from
defective mat erial s or fact ory wo r kman ship for a period of 90 days from the date of
original customer purchase and provided the product is utilized within the U.S.A. This
warranty is not assignable or transferable. Our obligation under this warranty is the
repair or replacement of the defective unit or any part thereof, except batteries, when
it is returned to the SPECTRA Service Department, accompanied by proof of the date
of original consumer purchase, such as a duplicate copy of a sales receipt.