Rongta Technology RP421A User manual
RN
TA
User
Manual
RP421A
LABEL
PRINTER
Rongta
Technology
(Xiamen)
Group
Co.,
Ltd.
Contents
1.
Product
Introduction.....
1.1
Main
Features....
1.
Safety
Instructions
2.1
Safety
warning
2.2
Instructions...
2.3
Other
Precautions.....
1il.
Appearance
and
Components
IV.
Technical
Parameters
4.1
Printing
Parameters
..
V.
Installation
and
Operation
of
Printer....
5.1
Printer
Unpacking
.....
5.2
Connecting
the
Printer
5.3
Folded
Paper
Loading
...
5.4
Handling
of
Paper
Jam
...
5.5
Bluetooth
Pairing
and
Printing
...
5.6
Use
Bluetooth
Interface
for
Printing.
.
VI.
The
Switch,
Key
and
Indicator
Light
of
Printer....
6.1
Precautions
for
Power
Switch/Use
.
6.2
Keys
and
Indicators.
VII.
Printer
Test
.....
7.1
Print
Self-Test
Page
.
7.2
Print
with the
Windows
Driver
7.3
Label
Learning
VIII.USB
Interface
..
IX.
Cleaning
the
Printer
...
9.1
Cleaning
the
Printer
Head
9.2
Cleaning
the
Sensor
.....
9.3
Cleaning
the
Printing
Rubber
Roller
...
X.
Troubleshooting
..
XI.
FCC
WARNING.
Copyright
@
Rongta
Technology
(Xiamen)
Group
Co..
Ltd.
Al
Rights
Reserved
I.
Product
Introduction
Thank
you
for
purchasing
the
label
printer
produced
by
our
company.
This
label
printer
provides
you
with
safe,
reliable
and
efficient
printing
quality
at
a
reasonable
economic
price.
At
the
same
time,
Printer
is
widely
used
in
supermarkets,
Catering
industry,
clothing
industry,
warehousing
industry,
etc.due
to
its
super
functions
and
easy
operation.
1.1
Main
Features
High
printing
quality
Low
noise
The
attractive
appearance
Reasonable
structure,
simple
use
and
maintenance
Intelligent
detection
and
positioning
Auto
feed
and
retreat
paper
Simple
operation
Label
off
intelligent
handling
function
Fast
printing,
saving
time
ool
doood
Superior
heat
dissipation,
can
handle
heavy
printing
workload
1.
Safety
Instructions
Before
operating
and using
the
printer,
please
carefully
read
the
following
items
and
strictly
observe
the
use
rules.
2.1
Safety
warning
£\
The
print
head
will
become
very
hot
during
printing,
please
do
not
touch
the
printhead
and
peripheral
parts
during
printing
and
printing
just
finished.
®P\ease
do
not
touch
the
printhead
and
connectors,
in
case
that static
damages
the
printer
head
2.2
Instructions
/N
Warnings:
1)
Do
not
plug
several
products
in
one
porous
power
outlet.
«
This
may
cause
over-heat
and
a
fire
«
If
the
plug
is
wet
or
dirty,
dry
or
wipe
it
before
using.
«
If
the
plug
does
not
fit
perfectly
to
outlet,
do
not
plug
in
«
Be
sure
to
use
only
standardized
porous
power
outlet
2)
You
must
use
the
supplied
adapter.
+Itis
dangerous
to
use
other
adapters.
3)
Do
not
pull
the
cable
by
pulling.
+
This
may
damage
the
cable
or
cause
a
fire.
4)
Do
not
plug
in
or
unplug
with
your
wet
hands.
+You
may
be
electrocuted
5)
Do
not
bend
the
cable
by
force
or
leave
it
under
any
heavy
object.
+Adamaged
cable
may
cause
a
fire.
iolating
following
instructions
may
cause
serious
injury
or
death.
I\
Note:
Violating
following
instructions
may
cause
slight
damage
of
the
appliance.
1)
If
you
observe
a
strange
smoke,
odour
or
noise from
the
printer,
unplug
it
before
taking
following
measures.
«
Switch
off
the
printer
and
unplug
the
set
from
the
mains.
«
After
the
disappearance
of
the
smoke,
call
your
dealer
to
repair
it.
2)
Install
the
printer
on
the
stable
surface.
«
If
the
printer
falls
down,
it
may
be
broken
and
you
may
hurt
yourself.
3)
Use
the
approved
accessories
only
and
do
not
try
to
disassemble,
repair
or
remodel
it
by
yourself.
+
Call
your
dealer
when
you
need
these
services.
+
Do
not
touch
the
blade
of
auto
cutter.
PRINTER
4)
Do
not
let
water
or
other
foreign
objects
drop
into
the
printer.
«
If
this
happened,
switch
off
and
unplug
the
printer
before
calling
your
dealer.
5)
Do
not
use
the
printer
when
it
is
out
of
order.
This
can
cause
a
fire
or
an
electrocution.
«
Switch
off
and
unplug
the
printer
before
calling
your
dealer.
6)
Other
considerations:
+
Place
the
printer
on
a
solid
and
even
base
so
that
it
cannot
fall.
«
Leave
enough
space
around
printer
for
operation
and
maintenance.
«
Keep
all
liquids
away
from
the
printer.
+
Do
not
expose
the
printer
to
high
temperatures,
direct
sunlight
or
dust.
+
Ensure
the
printer
is
connected
to
a
socket
with
the
correct
mains
voltage.
«
Switch
off
the
printer
POWER
supply
when
it's
not
in
use
for
a
long
time.
+
To
ensure
the
printing
quality
and
reliability,
suggest
use
the
same
quality
or
recommend
paper
supplier.
«
Pls.
switch
off
the
POWER
supply
when
connect/disconnect
all
the
ports
or
it
will
cause
damage
to
the
printer
control
circuit.
+
Never
carry
out
maintenance
or
repair
work
yourself.
Always
contact
a
qualified
service
Technician.
«
Keep
this
User
Manual
in
a
place
which
is
easily
accessible
at
all
times.
2.3
Other
Precautions
The
copyright
for
this
user
manual
and
various
other
manuals
is
property
of
our
company.
Any
copying
or
conversion
into
electronic form and
saving
of
this
material
without
the
express
written
permission
is
strictly
prohibited.
Use
of
the
information
contained
in
this
manual
is
not
subject
to
any
patent
liability.
This
manual
has
been
prepared
with
utmost
care
and
attention
to
detail but
may
contain
certain
errors
and/or
omissions.
Our
company
is
not
legally
liable
for
any
damages
resulting
from
the
use
of
the
information
in
this
manual.
Our
company
and
its
affiliates
are
not
legally
liable
(United
States
excluded)
for
any
damages,
loss,
costs,
and/or
expenses
that
result
from
the
breakdown,
malfunction,
and/or
misuse
of
the
product
due
to
violation
or
neglect
of
the
operation
and
maintenance
information
and
instructions
provided
by
our
company,
as well as
from
the
unauthorized
alteration,
repair,
and/or
modification
of
the
product
by
the
user
and/or
third
party.
We
are
not
legally
liable
for
any
damages
and/or
issues
resulting
from
the
use
of
options
and/or
parts
that
are
not
authentic
or
authorized
products.
PRINTER
Ill.
Appearance
and
Components
[J
Front
View
|1
Rear
View
jpper
Cover
@
Paper Guide
®Cover
lever
ower
Interface
USB
Interface
ower
Switch
Paper
Exit
[
Inside
View
Application
Field
®
Cashier
system
of
supermarkets
®
Cashier
system
of
Catering
industry,
®
Cashier
system
of
clothing
industry
®
Cashier
system
of
warehousing
industry
IV.
Technical
Parameters
4.1
Printing
Parameters
Model
Prnting
method
Paperloading
method
Printing
spoed
Printing
paper
widin
Effectveresolution
Papertype
Thcness
ofprningaper
Effectve
prining
wicth
Charactersize
Interface
type
Print
character
Type
of
bar
code
Extended
character
able
Power
supply
Power
adapter
Environmental
requirements
Working
environment
Storage
environment
Environmental
conditions
Drive
Print
command
Character
printing
RP421A
Thermal
ine
printer
Easy
paper
loading/auto
paper
feeding
127mmys,
(150mm/s
optional)
104mm
203dpi
(300dpi optional)
Continuous
paper,
label
paper,
black
label
paper,
and
folded
paper
0.06-0.18mm
Min
38mm
Max
108mm
ASCII
FontA:
12424
ASCI
Font
B:
9x17
Chinese
character
24x24
uss
One-dimensional
code:
Code
39,
39C.
125.
Code
83,
ITF25.
EAN128.
Code
128,
Codabar,
EAN-8,
EANB+2.
EANGS.
EAN-13.
EAN13+2,
EAN13+5,
UPC-A.
UPCA*2. UPCA+5,
UPC-E.
UPCE+2,
UPCE+5MSIC.
ITF14,
EAN14,
CODET1.
POST
QR
code:
PDF417(optional)
CP437,
CPBS0.
CP852, CP8S0.
CP863,
CPBES.
CPESS
WPC1250,
WPC1251, WPC1252, WPC1253,
WPC1254
Operating
temperature:
0-
45°C,
Operating
humidiy:
20-90%
Storage
temperature:-10
~
60°C,
Storage
humidity:
10~90%
WINXPIWINTAWINBWIN1O/Mac/Linux
ESC/TSPL/CPCL(optional)/ZPL(optional)
It
supports
double
width and
double
height
printing
of
AN
K
characters,
custom
characers
and
Chinese
characters:
adjusts
dof
patterns
of
character
spacing
for
printing
©
Remarks
The
intorfaca
is
optional
or
customizad,
and
the
speciic
interiace
18
subject
t the
actual
Gbject.
[
The
pictures
are
for
reference
only,
please
subject
to
practicality
V.
Installation
and
Operation
of
Printer
5.1
Printer
Unpacking
Check
the
parts:
Before
use,
make
sure
the
accessories
are
included
in
the
package(the
following
picture
is
an
example).
If
any
thing
is
missing,
contact
the
supplier
or
manufacturer.
The
specific
accessories
may
not
be
included
depending
on
the
printer
model.
RP421AMain
machine
Power
adapter
Power
cord
QTSR
e
———
USB
cable
Quick
Installaion
Guide
©
The
pictures
are
for
reference
only,
please
subject
to
practicality.
5.2
Connecting
the
Printer
[_]
Connect
the
power
line
(1)
Confirm
that
the
power
switch
is
in
off (0)
state.
(2)
Connect
the
power
adapter
to
the
printer.
(3)
Connect
the
power
line
to
the
power
adapter.
(4)
Connect
the
other
end
of
the
power
line
to
a
nearby
socket.
Use
the
special
power
adapter
for
the
printer.
The
connection
diagram
is
as
follows:
[l
Connect
the
USB
cable
(1)
Connect
the
USB
cable
to
the
printer.
(2)
Connect
the
USB
cable
to
the
PC
host.
(3)
Turn
the
power
switch
to
on
(1)
state.
»
Connect
to
the
PC
host
Switchoff
Switch
on
5.3
Folded
Paper
Loading
(1)
Facing
the
back
of
the
machine,
hold
the
paper
guide
with
both
hands,
and
adjust
the
distance
between
the
left
and
right
guides
according
to
the
folded
paper
size.
(2)
Insert
the
folded
paper
into
the
paper
guide
(3)
Confirm
that
the
printer
has
detected
paper
feeding,
automatically
feeds
paper
and
delivers
paper
normally
5.4
Handling
of
Paper
Jam
(1)
Move
the top
cover
lever
forward
with
both
hands
and
lift
the top
cover.
(2)
Remove
the
jammed
paper
from
the
feeding
channel,
and
check
whether
the
print
head
has
adhesive
or
carbon
deposition.
If
yes,
clean
it
with
an
alcohol
cloth,
remove
the
wrinkled
paper
and
replace
it
with
new
paper.
5.5
Bluetooth
Pairing
and
Printing
(only
valid
for
printers
with
Bluetooth)
Bluetooth
printer
needs
to
be
paired
with
the
main
device
driving
the
printer
before
working,
and
the
pairing
process
is
initiated
by
the
main
device.
The
general
pairing
method
is
as
follows:
(1)
Turn
on
the
printer.
(2)
The
main
device
searches
for
external
Bluetooth
device.
(3)
If
there
are
multiple
external
Bluetooth
device,
select
the
printer
corresponding
to
MAC
address.
(see
self-test
page
for
details.)
(4)
Enter
the
initial
password
"0000"
or
"1234".
(5)
Complete
the
pairing.
Please
refer
to
the
Bluetooth
function
description
of
the
main
device
for
the
specific
pairing
method.When
pairing,
the
label
printer
with
Bluetooth
interface
must
be
on.
N\
Note:
During
pairing,
please
do
not
turn
on
multiple
printers
at
the
same
time,
otherwise
you
may
not
be
able
to
judge
which
printer
was
successfully
paired.
After
successful
pairing,
other
host
computers
can
still
be
paired
with
the
printer,
and
each
printer
can
be
paired
with
up
to
8
host
computers.
If
more
upper
computers
are
paired
with
printers,
the
host
computer
paired
with
the
printer
at
the
earliest
will
be
automatically
removed
from
the
pairing
list
by
the
printer.
At
this
time,
if
this
host
computer
needs
to
drive
the
printer
for
printing,
it
needs
to
be
paired
again.
(For
multi-connected
Bluetooth
only.)
5.6
Use
Bluetooth
Interface
for
Printing
(only
valid
for
the
printers
with
Bluetooth)
For
host
computers
with
virtual
Bluetooth
serial
ports
(such
as
mobile
phones
using
SMARTPHONE,
POCKET
PC,
PALM,
notebook
computer,
etc.),
after
successful
pairing,
printing
data
can
be
sent
to
the
printer
via
the
virtual
Bluetooth
serial
port
for
printing.
If
the
host
computer
does
not
have
a
virtual
Bluetooth
serial
port,
when
you
want
to
drive
the
printer
for
printing,
please
consult
the
supplier
of
the
host
computer.
10
PRINTER
VI.
The Switch,
Key
and
Indicator
Light
of
Printer
6.1
Precautions
for
power
switch/use
(1)
Turn
the
printer
power
switch
to
on
(1)
state,
and
the
printer
will
be
turned
on.
(2)
Turn
the
printer
power
switch
to
on
(O)
state,
and
the
printer
will
be
turned
off.
(3)
Turn
off
the
printer
with
power
switch.
If
you
pull
the
power
plug
directly,
itis
easy
to
damage
the
internal
circuit
of
the
printer
and
cause
print
data
loss.
(4)
After
power-off,
wait
for
a
while
(not
more
than
5
seconds)
before
turning
on
the
printer
again
otherwise
it
is
likely
to
cause
a
failure.
(5)
Please
use
the
original
battery
of
this
machine,
otherwise
it
may
lead
low
print
quality
or
damage
to
the
printer.
I\
ttention:
Make
sure
the
power
supply
is
connected
before
turning
on the printer.
6.2
Keys
and
Indicators
[J
Function
description
of
buttons
Scenarios
Button
operation
Corresponding
functions.
Power
Off
Press
and
hold
+
ur
on
the
prnter
Printsefftest
page:
Standby
Press
and
hold
35
Enter
label
specification
learning
mode
Open
the
cover Press
and
hold10
S
Restore
factory
settings
Standby
Press.
Automatically
feed
one blank
label
sheet
Continuous
printing
process|
Press
Pause
printing
Pause
printing
Press.
Continue
printing
[
Indicator
description
Indicator
status
Status
description
Indicator
always
lights
up
Normal
standby
Indicator
flashes
Buzzer
alarm
Buzzer
alarm
(common)
2
Sounds
Printer
mechanism
error
3
Sounds
Paper
shortage
erfor
5
Sounds
Overheating
error
6
Sounds
Cover
opening
error
7
Sounds.
Seam
label
error
1
PRINTER
VII.
Printer
Test
7.1
Print
Self-Test
Page
When
the
printer
is
initially
installed
or
there
are
any
problems
with
the
printer,
you can
run
self-test
program
to
confirm
the
following
status:
firmware
version,
printer
parameter
setting status,
print
quality,
and
related
setting
information
of
external
devices,
etc.
After
confirming
that
there
is
no
problem
with
the
printer
after
the
self-test,
please
check
other
devices
or
software.
This
function
runs
independently
of
other
devices
or
software.
The
self-test
method
is
as
follows:
(1)
Confirm
that
the
printer
is
connected
to
power
supply
and
the
paper
roll
is
loaded
correctly.
(2)
Confirm
that
the
printer
is
turned
off
and
the top
cover
is
closed
in
place.
(3)
Press
and
hold
the
FEED
button,
then
press
the
POWER
button
to
turn
on
the
printer;
release
the
button
after
the
printer
is
turned
on.
7.2
Print
with
the
Window
Driver
(1)
To
install
Windows
driver,
please
refer
to
"Driver
Installation
Instruction”.
(2)
Set
the
"port"
of
the
Windows
driver
as
the
appropriate
interface
to
use.
Print
the
test
page
with
the
"Print
test
page"
function
of
Windows
driver.
12
7.3
Label
Learning
/N
Note:
In
the
following
cases,
the
user
can
perform
label
positioning
learning
so
that the
printer
can
better
position
the
label:
Install
and
use
the
printer
for
the
first
time.
First
use
of
printer
after
sensor
cleaning.
Reuse
the
printer
after
it
is
not
used
for
a
long
time.
Replace
with
a
new
type
of
paper
roll.
The
printer
cannot
recognize
the
mark
effectively
during
printing.
When
the
printer
is
ready,
press and
hold
the
FEED
button
for
3s
until
the
standby
status
indicator
flashes
twice,
release
the
button,
and
the
printer
will
start
learning
and
feed
paper.
If
the
printer
learns
under
continuous
paper
mode,
the
learning
is
invalid.
Users
can
also
complete
the
learning
through
the
printer
tool
software.
(refer
to
"Instruction
for
Printer
Setting
Tool".)
A
Note:
After
learning,
you
can
re-open
the
top
cover
and
place
the
blank
label
paper
just
fed
during
learning
back
for
printing
to
avoid
paper
waste.
13
VIII.
USB
Interface
The
printer's
USB
interface
socket
is
standard
USB
type-B
B n
R
PIN
SIGNAL
NAME
1
VBUS
2
D-
3
D+
4
GND
IX.Cleaning
the
Printer
9.1
Cleaning
the
Printer
Head
Clean
the
print
head
when
one
of
the
following
conditions
occurs
to
the
printer:
(1)
Printing
is
not
clear.
(2)
A
vertical
column
of
the
printed
page
is
not
clear.
(3)
The paper
feeding
noise
is
high.
The
print
head
cleaning
steps
are
as
follows:
(1)
Turn
off
the
power
supply
of
the
printer,
,
open
the
upper
cover
and
remove
the
paper
if
exists.
(2)
If
printing
has
just
been
completed,
wait
for
the
print
head
to
cool
completely.
(3)
Clean
the
printer
head
with
a
soft
cotton
moistened
with
ethyl
alcohol.
(4)
After
waiting
for
absolute
ethyl
alcohol
to
volatilize
completely,
close
the
upper
cover
and
try
printing
again.
Rubber
Roller
-------
&
Sensor
9.2
Cleaning
the
Sensor
Clean
the
paper
shortage
sensor
when
one
of
the
following
conditions
occurs
to
the
printer:
(1)
In
the
printing
process,
the
printer
occasionally
stops
printing
and
alarms
for
paper
shortage.
(2)
No
alarm
for
paper
shortage.
The
paper
shortage
sensor
cleaning
steps
are
as
follows:
(1)
Turn
off
the
power
supply
of
the
printer,
open
the
upper
cover,
and
remove
the
paper
if
there
is
any.
(2)
Wipe
off
the
dust
and
stain
on
the
sensor
surface
with
soft
cotton
cloth
(which
should
be
dried)
dipped
in
absolute
ethyl
alcohol.
(3)
After
waiting
for
absolute
ethyl
alcohol
to
volatilize
completely,
close
the
upper
cover
and
try
to
start
the
machine
again.
15
PRINTER
9.3
Cleaning
the
Printing
Rubber
Roller
When
one
of
the
following
conditions
occurs
to
the printer, the
printing
rubber
roller
should
be
cleaned:
(1)
Printing
is
not
clear.
(2)
A
vertical
column
of
the
printed
page
is
not
clear.
(3)
The paper
feeding
noise
is
high.
The
printing
Rubber
Rollers
cleaning
steps
are
as
follows:
(1)
Turn
off
the
power
of
the
printer
and
open
the
upper
cover.
(2)
Use
a
soft
cotton
cloth
(which
should
be
dried)
dipped
in
a
neutral
detergent
to
wipe
off
dust
and
stains
on
the
surface
of
the
printing
rubber
roller.
(3)
Close
the
upper
cover
after
the
cleaning
agent
is
completely
volatilized.
A
Attention:
(1)
The
power
supply
must
be
turned
off
during
the daily
maintenance
of
the
printer.
(2)
Do
not
touch
the
surface
of
the
print
head
with
hands
and metal
objects,
and
do
not
scratch
the
surface
of
the
print
head,
printing
rubber
roller
and
sensor
with
tweezers
and
other
tools.
(3)
The
organic
solvents
such
as
gasoline
and
acetone
shall
not
be
used.
(4)
Wait
until
absolute
ethyl
alcohol
is
completely
volatilized,
then
turn
on
the
power
supply
to
continue
printing.
16
PRINTER
X.Troubleshooting
The
table
below
shows
common
problems
and solutions
for
operators.
If
you
have
followed
the
simple
troubleshooting
methods
but
the
printer
is
still
not
functioning
properly,
please
contact
the
customer
service
department
of
your
dealer
for
assistance.
Fault
Phenomenon
POWER
indicator
is
off
Cause
.
The
AC
plug
and
the
power
supply
plug
are
not
properly
connected
to
the
printer
socket.
b.The
printer
power
switch
s
not
on.
Solution
Check
the
power
connection
and
confirm
that
the
AC
plug
and
the
power
supply
plug
are
properly
connected
to
the printer socket.
“Turn
on
the
printer.
Unable
to
print
‘The
communication
cable
is
not
properly
‘connected
to
the
printer
and
PC
host.
b.
Communication
interface
setting
error.
Print
status
error.
Reconnect
the
communication
cable.
Incomplete
print
content
.
The
paper
is
not
centered.
Label
size
setting
is
incorrect
Adjust
the
paper
position.
Set
the
correct
label
size.
Incorrect
positioning
a.
Label
learning
is
not
performed.
‘Seam
label
detection
photocoupler
is
offset.
Wrong
mode
selected.
Label
learning
is
performed,
Open
the
cover
to
confirm
whether
the
seam
Iabel
detection
component
s
offset.
For
black
label
paper,
move
the
seam
label
detection
component
according
to
the
black
label
position
s
that
the
detection
photocoupler
can
detect
the
black
label.
Label
papericontinuous
paper:
The
detection
photocoupler
must
be
in
the
paper
range.
Use
the
setting
tool
to
open
the
printer
information and confirm
whether
the
paper
typeis
the
same
as
the
paper
loaded
in
the printer,
which
can
be
changed
by
using
the
setting
tool.
Poor
print
result
Paper
loading
error.
Print
density/speed
satting
error.
Print
headirubber
roller
has
dust
or
adhesive
accumulation.
d.The
print
head
is
damaged.
o
Reload
the
paper.
Readjust
the
print
density/speed
of
printer
by
using
the
setting
tool
or
the
software.
Printing
density
can
be
coarsely
tuned
with
the
setting
tool
and
finely
tuned
with
the
driver.
Clean
the
print
head/rubber
roller.
(refer
to
8.1
"Cleaning
Print
Head"/8.2"
Cleaning Sensor'/8.3
"Cleaning
Printing
Rubber
Roller”of
the
Manual.)
Use
the
setting
tool
o
detect
bad
point
of
head
piece.
If
the
print
head
is
damaged,
please
contact
the
customer
service
depariment
of
your
dealer
for
repairs
17
XI.
FCC
WARNING
FCC
Statement:
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
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.
—lIncrease
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:
Any
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
radiation
exposure
limits
set forth
for
an
uncontrolled
environment.
This
transmitter
must
not
be
col
located
or
operating
in
conjunction
with
any
other
antenna
or
transmitter.
18
Rongta
Technology
(Xiamen)
Group
Co.,
Ltd.
ADD:
No.88,
Tonghui
South
Road,
Tongan,
Xiamen,
China.
WEB:
www.rongtatech.com
TEL:
0086-592-5666129
FAX:0086-592-5659169
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