Acesonic UHF-1208XR User manual

USER’S MANUAL
NOTE:
To ensure this component will work safely and to
its fullest potential, please read this user’s manual
carefully before operation and keep for future
reference.
www.acesonic.com
The Leader in Professional Equipment
UHF-1208XR
DUAL DIVERSITY 100 CHANNELS
UHF RECHARGEABLE WIRELESS MICROPHONE SYSTEM

RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK.
DO NOT REMOVE COVER (OR BACK).
NO USER SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
The lightning flash with arrowhead symbol, within an
equilateral triangle is intended to alert the user to the
presence of uninsulated dangerous voltage within the
product's enclosure that may be of sufficient magnitude
to constitute a risk of electric shock to persons.
CAUTION
To reduce the risk of electrical shocks, fire, etc:
1.Do not remove screws, screws, covers or cabinet.
2.Do not expose this appliance to rain or moisture.
Warnings, Cautions and Others
Mises en garde, precautions et indications diverses
For Canada/Pour le Canada
THIS DIGITAL APPARATUS DOES NOT EXCEED
THE CLASS B LIMITS FOR RADIO NOISE
EMISSIONS FORM DIGITAL APPARATUS AS SET
OUT IN THE INTERFERENCE-CAUSING
EQUIPMENT STANDARD ENTITLED DIGITAL
APPARATUS, ICES-003 OF THE DEPARTMENT OF
COMMUNICATIONS. CET APPAREIL NUMERIQUE
RESPECTE LES LIMITES DE BRUITS RADIO
ELECTRIQUES APPLICABLES AUX APPAREILS
NUMERIQUES DE CLASSE B PRESCRITES DANS
LA NORMESUR LE MATERIEL BROUILLEUR:
APPAREILS NUMERIQUES , NMB-003 EDICTEE
PAR LE MINISTRE DES COMMUNICATIONS.
" "
" "
Caution
Disconnect the electrical plug to shut off power
completely. The POWER on the unit is not off from the
electrical plug when the POWER button on the front
panel is not pressed in.
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in
the literature accompanying the appliance.
1.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.
2.IMPORTANT: When connecting this product to
accessories and/or another product use only high
quality shielded cables. Cable(s) supplied with this
product MUST be used. Follow all installation
instructions. Failure to follow instructions could
void your FCC authorization to use product in the
U. S. A.
FCC INFORMATION (U.S.A.)
For Canada/Pour le Canada
CAUTION: TO PREVENT ELECTRIC SHOCK,
MATCH WIDE BLADE OF PLUG TO WIDE SLOT,AND
FULLY INSERT.
ATTENTION: POUR EVITER LES CHOCS
ELECTRIQUES, INTRODUIRE LA LAME LA PLUS
LARGE DE LA FICHE DANS LA BORNE
CORRESPONDANTE DE LA PRISE ET POUSSER
JUSQUAU FOND.
2

15. This product should be operated only from the type of
power source indicated on the marking label. If you are not
sure of the type of power supply to your home, consult your
product dealer or local power company. For products
intended to operate from battery power, or other sources,
refer to the operating instructions.
8. Do not install near any heat sources such as radiators, heat
register, stoves, or other apparatus (including amplifiers)
that produce heat.
9. Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two blades with
one wider than the other. A grounding type plug has two
blades and third grounding prong. The wide blade or the
third prong are provided for your safety. If the provided plug
does not fit into your outlet, consult an electrician for
replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacles, and the
point where they exit from the apparatus.
11. Only use attachments and accessories specified by the
manufacturer.
12. Use only with the cart, stand, tripod,
bracket, or table specified by the
manufacturer, or sold with the apparatus.
When a cart is used, use caution when
moving the cart.
13. Unplug this apparatus during lightning storms or unused
for long period of time. Apparatus combination to avoid
injury from tip-cover.
14. Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or plug is
damaged, liquid has been spilled or objects have fallen into
the apparatus, the apparatus has been exposed to rain or
moisture, does not operate normally, or has been dropped.
20. Replacement Parts
When replacement parts are required, be sure the service
technician has used replacement parts specified by the
manufacturer or have the same characteristics as the
original part. Unauthorized substitutions may result in fire,
electric shock, or other hazards.
21. Safety Check
Upon completion of any service or repairs to this product,
ask the service technician to perform safety checks to
determine that the product is in proper operating
condition.
22.Wall or Ceiling Mounting
The product should be mounted to a wall or ceiling only as
recommended by the manufacturer. Any mounting of the
product should follow the manufacturer instructions, and
should use a mounting accessory recommended by the
manufacturer.
23. Wet location marking
Apparatus shall not be exposed to dripping or splashing
and no objects filled with liquids, such as vases, shall be
placed on the apparatus.
1. Read These Instructions.
2. Keep These Instructions.
3. Heed All Warnings.
4. Follow All Instructions.
5. Do not use this product near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings.
Important Safety instructions
16. Protective Attachment Plug
The product is equipped with an attachment plug having
overload protection. This is a safety feature. See
Instruction Manual for replacement or resetting of
protective device. If replacement of the plug is required, be
sure the service technician has used a replacement plug
specified by the manufacturer that has the same overload
protection as the original plug.
17. Power Lines
An outside antenna system should not be located in the
vicinity of overhead power lines or other electric light or
power circuits, or where it can fall into such power lines or
circuits. When installing an outside antenna system,
extreme care should be taken to keep from touching such
power lines or circuits as contact with them might be fatal.
19. Object and Liquid Entry
Never push objects of any kind into this product through
openings as they may touch dangerous voltage points or
short-out parts that could result in a fire or electric shock.
Never spill liquid of any kind on the product.
24. Outdoor Antenna Grounding
If an outside antenna or cable system is connected to the
product, be sure the antenna or cable system is grounded
so as to provide some protection against voltage surges
and built-up static charges. Article 810 of the National
Electrical Code, ANSI/NFPA 70, provides information with
regard to proper grounding of the mast and supporting
structure, grounding of the lead-in wire to an antenna
discharge unit, size of grounding conductors, location of
antenna discharge unit, connection to grounding
electrodes, and requirements for the grounding electrode.
See figure below.
25. Servicing
If your product is not operating correctly or exhibits a
marked change in performance and you are unable to
restore normal operation by following the detailed
procedure in its operating instructions, do not attempt to
service it yourself as operating instructions, do not attempt
to service it yourself as opening or removing covers may
expose you to dangerous voltage or other hazards. Refer
all servicing to qualified service personal.
18. Overloading
Do not overload wall outlets, extension cords, or integral
convenience receptacles as this can result in a risk of fire
or electric shock.
3

Thank you for purchasing Acesonic's UHF-1208XR. Acesonic takes pride
in providing our custmers with only the most advanced and highest
quality karaoke products on the market. Please read trough this USER’S
MANUAL before operation to ensure proper usage, and keep for future
Table of Contents
Warnings and Caution....................................................................................2
Safety Instructions........................................................................................3
Table of Contents...........................................................................................4
Included Accessories.................................................................................... 4
Receiver/Display panel Descriptions............................................................. 5
Microphone Descriptions/Operation/Channel Switching...............................6
Installation & IR SYNCing(channel switching)/Battery Recharging...............7
Troubleshooting............................................................................................8
Features & Specifications..............................................................................9
Manufacturer Information............................................................................10
4
Acesonic UHF-1208XR
Before installing your wireless microphone, Here are a few things you should do/know:
Parts checklist
lHandheld microphone(2)
lMounting brackets(1 Set)
lAC power adapter(2)
lUHF-1208X receiver (1)
lRechargeable Battery(4)
*Be sure to keep original packaging in case of re-shipping is needed.
l
lAntenna(2)
lUser manual / warranty card(1)
lMicrophone Battery Recharging Dock(1)
3 ft. male to male " cable (1)¼
1)Check to see whatever the local voltage accord with operating receiver voltage(Wrong
selection may lead to burn out of receiver)
2)Do not dismantle the machine on your own. For internal repair, please contact the local
distributor or accepted service center. Please see page 10 for more detail.
3)When the machine will not be used for a long time, please disconnect the power plug
from receiver.
4)Do not recharge your batteries until the batteries are low.
Matters Need Attention
Cleaning
lPlease make sure the power is disconnected before cleaning or repairing the machine.
lThe machine can be cleaned by using a soft cloth with water. Dry the machine with a dry
cloth and let it air dry for 15 minutes.
lPlease do not use volatile gasoline, diluents or other chemicals to cleaned the machine

1) Power switch -Turns the UHF-1208X on and off.
2) RF & AF indicator- RF indicator shows radio frequence signal level which receiver is
getting. AF indicator shows the audio frequence signal level from the microphone.
If receiver catches microphone’s signal, the RF & AF indicator will show the signal level
3)Channel A display panel - Display all information like the frequency channel of the
microphones, channel scanning information, or channel lock/unlock
4)Channel A volume control knob - Adjust the volume on the microphone A.
5)Channel A operating buttons:
IR SYNC/UP button: press twice in the roll to start IR Syncing process. turn on the
microphone and press the microphone button again shortly to complete the channel
matching between receiver and microphone. Or you can use this button as UP button in
MENU mode.
STOP/MENU button: use this button to stop channel scanning, the receiver will
automatically select the best/cleanest channel from all channels scanned. You can also
use this button to enter MENU mode: In MENU mode, there are four categories:
1. Frequency: use UP or Down button to manually select receiver channel.
2.Scan: use to start auto channel scanning process. usually will need about 90 seconds
to complete the process. after scanning, receiver will pick the best channel.
3.IR: to start IR sync (channel matching) process between receiver and microphone.
4.LOCK: to lock or unlock the buttons on the receiver. keep the distance between
microphone and receiver IR launcher with-in 1 meter, then press the button on the
microphone . If IR sync successes, the CH in the LCD screen will stop flashing and you can
see the RF signal bar on the LCD screen.
5)IR launcher - submit matching signal to the receiver on the button of the
microphone in order to make microphone match the same channel with this receiver.
Rear panel descriptions
Receiver Descriptions
6) 12V AC power connection- Main power jack to power the system. Conect to wall outlet.
7) Channel A & B Mix unbalance audio output jack - Output jack that are used for
connecting to amplifier, mixer or karaoke player. Will send both Channel A & B sound.
8)Channel A balance audio output jack - Output jack that are used for connecting to
amplifier, mixer or karaoke player. Will only send Channel A sound.
9)Channel B balance audio output jack - Output jack that are used for connecting to
amplifier, mixer or karaoke player. Will only send Channel B sound.
5
1234
6
8
7
9

Microphone Descriptions
1)Cartridge module- This is where you would sing into.
2)Microphone body- The main frame of the microphone.
3)Operating indicator and
Hold the switch button for 1 second to turn on the power. Light will turns green means
microphone is now in working condition.
When it lights up green, then press switch button shortly, the light will turn yellow,
means microphone is in mute mode, no sound will comes out from microphone. to
go back to working mode, press the switch button shortly again, the light will turn
green.
When IR syncing, microphone needs to stay power on, but can be either
working or mute mode. After switching channel on the receiver and start IR syncing.
Then put the button part of the microphone to face the IR launcher on the receiver,
the distance need to be under 1 meter. Press the microphone switch button shortly
to confirm the IR syncing. If IR sync successes, the CH in the LCD screen will stop
flashing and you can see the RF signal bar on the LCD screen.
5)Battery cover
6)IR receiver & charging unit - This is the base of the microphone. The bottom part has
a IR receiving unit inside which receive the IR signal from receives to complete the
IR matching for microphone and receiver.
4)Switch button-
Microphone Operation & Channel switching:
1)Install batteries into microphone handheld.
2)Turn on microphone by pushing the switch towards, the indicator should turn green.
3)To mute the microphone, push the switch button shortly, the light will turns yellow.
4)To turn off the microphone, push the switch button for about 1~2 seconds then release
it, the indicator light will turns off.
5)If you are not going to use the microphone for a long period of time, turn off the
microphone and pull out the batteries to avoid deterioration and damage toward the
components.
6)When IR syncing, microphone needs to stay power on, but can be either working
or mute mode. After switching channel and start IR syncing on the receiver . Put the
button part of the microphone to face the IR launcher on the receiver, the distance
need to be under 1 meter. Press the microphone switch button shortly to confirm the
IR syncing. if IR syncing got confirmed, the channel information on the LCD of
receiver will stop flashing and you can see the RF signal bar on the LCD screen.
* For quick microphone channel matching process, please see the note on the top of
receiver, or see page 7 for more detail.
6
1208XR

AU X BG M
KE Y
0+1+2+3 +1 + 2 +3 +4 + 5 +6
dbL R
MUT E BBEL STE REO RVOCAL
PARTNER
VOCAL
CANCEL
DV D
+4+5+6
DV D AU X US B BG M AUT O
IN PUT S EL EC TOR
SO UND M OD E
PO WER
KE Y CON TR OL
BA LAN CE TR EBL E BA SS DE LA Y EC HO RE PEA T TREBLE BA SS M IC 1 V OL MI C 2 VOL M IC 3 VO L HEA DP HO NE MIC 1 MIC 2 M IC 3
MU SIC V OL
MI C MAS TE R VO L
MU SIC M IC
US B
OFF
ON
AUX I NPUT
L RVIDEO
AM- 828 MIX ING AMP LIFIE R
Power M ic 1 Mic 2 Mic 3
Mic 1 Mic 2 Mic 3 Mic Trebl e M ic Bass M ic Echo
Music Vo lume
10 10 10 10
10
+10
-10 +10 -10
3D Soun d
On Off
KM-11 0 Karao ke Mixe r
On Off
Mic Volu me
Power amplifier
Mixer Player
1) Connect the AC POWER ADAPTER to the UHF-1208X receiver’s AC INPUT 110V, then
plug the other end of AC POWER ADAPTER into the WALL OUTLET.
2)Connect one end of a TO CABLE to the U receiver’s UNBALANCE
AUDIO OUTPUT(MIX) and the other end to a karaoke mixer, karaoke player or karaoke
power amplifier microphone input. If you are using the BALANCE AUDIO OUTPUT,
use a XLR to XLR cable or XLR to cable
3)Unscrew the microphones handle cover(counter-clockwise) to check to see if there are
batteries. If not, install batteries into the microphones with the negative and positive end
of the battery correspond the negative and positive end of the microphone. Screw the
microphone handle back on(clockwise).
¼" ¼" HF-1208X
¼"
¼" .
AC Power adapter cable
¼" to ¼" cable
Mic. Input Mic. Input Mic. Input
Power Outlet
Installation
Quick IR SYNC(Channel Matching between receiver and microphone)
1) O press MANUAL SCAN button twice in the roll to start auto channel
scanning process. The whole auto scanning process will be finished around 90 seconds.
However, you can stop auto scanning anytime by pressing STOP button. Receiver will
select the best/cleanest channel from the channels just went thought.
2) Power on the microphone handheld and use its button part to face the IR SYNC laugher
on the receiver front panel to prepare the next step(IR syncing).
3) On the receiver, press IR SYNC button twice in the roll to start IR syncing process.
When the receiver LCD screen shows IRING, press microphone button and release
shortly. If IR SYNC success, the LCD screen will show IR OK.
4) Please remain the 1st microphone power on before starting the 2nd microphone’s auto
channel scanning. otherwise receives might get the same(cleanest) channel for both #1
and #2 microphone while auto channel scanning.
n the receiver,
7
POWER
OFF
ON
1 2 3456 7 8 9 0
MIC1 MI C2 VOL1 VOL2 ECHO BAS S TR EBLE
DOLBY
DI G I T A L
CD+G
MPEG-4
Playback
DVD MP EG-4 KA RAOKE P LAYER
DGX- 106
SD/MMC
MINI SD
USB
How to charge your rechargeable batteries
1)Please use rechargeable dock and wireless microphone handheld which comes with the
package to charge the rechargeable batteries.
2)Please do not recharge the batteries until the batteries is low, while microphone light
indicated with the flashing red light.
3)When using rechargeable dock charging batteries, the charging indicate light on the
charging dock will turns red while batteries charging. when rechargeable batteries full , the
light will turns off.
4.Charging the batteries before it is low will cause the batteries usage life span to shorten.
*Batteries recharging time = 1.5 hours
*Do not charge the batteries if you are not using rechargeable batteries.

Problem
Possible cause Solution
No sound;
No lights
No sound;
Lights on
Distorted sound;
feedback
Outside noise lRadio frequency got occupied
by other radio device.
lChange the channel on receiver
and IR syncing between receiver
and microphone. See P.6~7 also
Troubleshooting
If you are having problems operating the UHF-1208XR, or suspect something is wrong
with the unit, please check the troubleshoot list below to see if the issue is a result of
incorrect operation rather than equipment malfunction. If you are still unable to resolve the
problem, please contact our Acesonic service center at 626-820-0670.
Reciver
Microphone
* For quick microphone channel matching process, please see the note on the top of
receiver, or see page 7 for more detail
8
lPower button is on the OFF
position
lAC power adater is not plug in
lPoor connection of AC power
adapter
lHow to switch from different
channels?
lTurn on the power button
lPlug in the AC power adapter
lCheck to see if the AC power
adapter is loose. Check on the
receiver end and wall outlet end
lSee page 6 and 7 for more detail
lThe transmitter is out of range
lMicrophone switch is off or
mute
lMicrophone volume is turn
down
lBatteries in the microphone
are not install properly
lThe antenna is not fully
functional.
lReceiver is not connect to an
amplifier, mixer or karaoke
player
lOperate the machine in the
effective range
lTurn on the microphone switch
(indicated green light)
lTurn on the microphone volume on
the receiver
lReinstall the batteries. Make sure
the positive and negative end are
install correctly
lTry to change the angel of the
antenna
lConnect the ¼ to ¼ or XLR cable
from the receiver to a microphone
input (mixer, player, etc.). See
Page 7 for detail
lThe two microphones are too
close together
lBatteries running low in
microphone
lMicrophone volume is too high
lDistortion from other electric
wave
lSeparate the microphone further
away
lRecharge the batteries
lReduce the volume of the
microphone
lMove the reliever away from
electric equipment or change the
frequency channel
1
Batteries still
running low even
after recharging it
lBatteries are bad lReplace the batteries.(You can
use Normal AA batteries as well.
They just can’t be recharge)

lProfessional Heavy duty rack mountable receiver, UHF diversity wireless system
lAlmost zero noise output when on standby, high signal/noise ratio, super low distortion.
l1000 switchable channels, with auto channel selection function.
lDual channel information LCD display and individual microphone volume control.
lPerfect operative status signals, fluorescence display, with digital microphone.
lLong practical distance. Over 100 m in ideal circumstance ,25 m radius in complex
circumstances.
lEasy IR syncing for quick channel matching between receiver and microphone.
lFront antennas provides clear radio frequence reception.
lMicrophone batteries rechargeable function
Specifications:
Receiver
Carrier Wave Frequency Range: UHF 668~692 MHz
Oscillation Mode: Phase-locked Loop controlled
Carrier Wave Stability: 10PPM
Switching bandwidth: 24MHz
Frequency Space:≥250KHz
Sensitivity: -105dB @ sinad=12 dB
S/N Ratio: >105dB
T.H.D.: <0.5% @ 1KHz
Image rejection: 85 dB typical
Spurious rejection: 75 dB typical
Frequency Responses: 40Hz~18KHz
Working distance:200 feet (open area)
Squelch Control:dual-squelch circuit
AF Output Impedance:2.2KΩ
Max. Output Level: Balance : 0—400mv, Unbalance : 0—200mv
Display:2 x LCD
Power Supply: External DC Power Supply, 0.5A, 12~18V DC
Output Connector: 2x XLR Balanced Socket. 1x Unbalance TRs⊙6.35mm Socket
Dimensions (m/m): 420(L) ×45(H) ×200(D)
Weights (Kg): 2.5
Transmitter
Transmitter power: 30mW
Spurious emission: <40dB(with carrier)
Display:LED
Battery voltage: 1.5v×2
Battery life: Vary by using behavior and batteries capacity.
9
Features:
Features and Specifications

Manufacturer Information
Contact Info:
1 Year Manufacturer Warranty
Lifetime Tech. Support
Design in U.S.A
Tech. Support:
Address: 161 S. 8th Avenue
City of Industry,
CA 91746-3208, USA
Website: www.acesonic.com
[phone]
Note:
10