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Main features
Cautions
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1.Usi ng VH F 170 -270 Mhz ban d to av ert i nterfere nci ng fr equen cy.
2.Usi ng mu lti level high f req uen cy and mid fre que ncy n arrow ban d fil ter, so
as to dis pel a ny po ssible int erf ere ncing sign als .
3. A sp ec ia ll y designe d ci rc ui t swi tc h is on t he p ho ne .It i s fo r cle ar in g up
waves o f mis cel laneous si gna ls
4.All u se qu art z crystal os cil lat ing circui ts, s o the f requency i s ver y ste ady.
5. With audi o co mpres si ng-ex pa nding tec hn ology, t he m achin e ca n lo wer
noise s and i ncr ease the dyn ami c ran ge. It can als o low er re echo.
6.It has channel separa te outputing and mix outputing, and it can be connected
with th e sou nd- adjustin g sta ge an d the karaok e enl arg e.
7. Sp ec ia l tone ke y lo ck ed identi ty f un ct io ns t o a vo id i nt er fe re nc e signal
from ou tsi de op en the mute sy ste m.
8. Th ere a re m ul rip le nois e de te ct ci rc ui t ,multi ci rc ui ts , S o it ha s st ro ng
anti- jam min g specialt y.
9. Uni for m ca rd io id p ic ku p pa tt er n is ol ate s the m ain s oun d sou rc e a nd
minim ize s bac kground no ise
10.Effectiv e, bu ilt -in sph eri cal w ind a nd pop fi lte r.
11.L ongest dis tan ce in o pen :10 0m. Ide ale st dist anc e in op en: 50m
Th ank s f or p ur cha si ng ou r exc el le nt wi re le ss me et in g m ic ro pho ne
pr odu cts,p lease r ead t hi s ins tr uct ion car efull y so that y ou can un derst and
ho w to o per at e the produ ct y ou boug ht c orr ec tly, ple as e store t hi s book in
the saf e pla ce fo r referenc e in fu tur e.
1. Pl ease e nsure the host rece iv er i n th e pl ac e wh er e is i n go od c on di ti on
for sig nal , wit hout dead an gle .
2. Pl ea se k ee p th e tr an sm itter of m icropho ne fro m thro wi ng ,c as ti ng, and
so on, pr ote cti ng from brok en.
3.Th e reciever without water-proof, so plea se keep it from water or something
like th is.
4. Pl ea se ke ep d is tance w it h or aw ay e lectrom ag ne ti c fi eld,h ig h vo lt ag e
power n et or b ig me tal subjec ts.
5.Ple ase s wit ch off the t ransm itt er wh en yo u chang e the b att ery.
6.P lea se put out th e battery if you will no t use the mic rop hon e for lo ng ti me.
7.Please plug out th e recie ver if you will not use the mic rophone for lo ng time .
8.Ple ase g et cont act w ith the d ist ribut or of t he prod uct s if ther e is pr oblem
on brok en or s ome thing insi de.
9.P lea se note we wi ll not prov ide t he servic e of repair i f customer ope n it by
thems elf w ith out notice .
So me core m problem s and the ir s oluti ons are ide ntifi ed i n the
table bel ow. If you are u nable to so lve a probl em, con ta ct your d ealer.
Pr obl em So lut io n
No soun d;R F lig ht(s)
not glo win g
No soun d;
R F lig hts glowin g.
Recei ved s ign al is noisy c
conta ins e xtr aneous sou nds
sound s wit h tra nsmitter o n.
Noise f rom r ece iver with
trans mit ter o ff.
Momen tar y los s of sound as
trans mit ter i s moved arou nd
perfo rmi ng ar ea.
Make su re th e tra nsmitter
POWER s wit ch is O N and the rece ive r is pl ugged into a p owe r sou rce
Check b att ery.
Check r ece ive r squelch se tti ng.
Check r ece ive r antenna co nne cti on(s).
Make su re an ten nas are in lin e of si ght o f transmit ter.
Tur n up re cei ver aud io VO LUM E con trol
Check f or pr ope r connecti on be twe en receive r and k ara oke unit
Ch eck b atter y
Re mov e local . Sourc es of RF in ter feren ce.
If u sin g a gu ita r or othe r instr ume nt, che ck conn ectio ns.
Two t ran smitt ers may b e opera tin g on t he sa me freq uency. Loca te and tu rn one off.
Si gna l may be to o weak Re posit ior ~ante nnas. I f pos si ble , move th em clos er to
tr ans mitte r.
Ad jus t recei ver s qu elc h co ntr ol.
Re mov e local s ource s of RF int erf erenc e.
Re pos ition r eceiv er or a nt enn as.
Re pos ition r eceiv er an d pe rfo rm anot her "w alk throu gh" te st an d obser ve the
RF indi cator s. If a ud io dr opout s persi st, m ar k the se"de ad spot s" in p er for ming
ar ea an d avoid t hem dur ing per for mance .
TRO U BL E SHO OTI N G FOR E WO R D
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RECIE VER MIXER AMPLI FIE R
KAROK E AMPL IFI ER
Installation of reciever
Keep the machine 1m above the grou nd
Keep the machine away 1m agains t the wall.
Pull the antenna up rightnes s fully
Make the transmitter poin t to the antenn a without barrier
Keep the reciever away any digi tal equipment(such as CD,VCD,PC. or other
radio equipment)
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Operation
System connection flow diagram
Unit Specification
Reciever
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170-2 70. MHz V HF band
0.005 %
FM
40Hz- 18K Hz( 3 dB)
-0.8%
50-10 0M
-10-5 5 c
Frequ enc y ran ge
Frequ enc y sta bility
Modul ati on
Frequ enc y res ponse
T.H.D
Dista nce
Tempert ure
Recei vin g sys tem
Sensi tiv ity
Remov ing w eig ht
Audio o utp ut
Outpu t con nec tion
Power s upp ly
Quart z cry sta l frequenc y
10UV/ 40D B emf
50ms
0-0.3 5Vp -p 5k
¦6.3 mm p lug
DC:12 -17 V
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1. Pl ea se t ak e the f ol lo wi ng w or ki ng f lo w di ag ra m for r ef er en ce o n us in g
this machine-connect the mix out of receiver wi th mic input on the amp lifi er
or out A,B ,C, D and m ic input on th e amp lif ier.
2.Pow er 22 0V, switc h the p owe r, set the volu me of y our s ound equip men t.
3.Adj ust t he vo lume in righ t sou nd, m ake MIC1 and M IC2 h arm ony, which
will ma ke yo u enj oying the so und w ell .
4.Ple ase p lug o ut the power i f you w ill n ot use the mac hin e lon g time.
TEC H NI C AL PARA M ET E RS SYS T EM
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Front Panel Handheld Transmitter
TEC H NI C AL PARA M ET E RSFUN C TI O N D ES C RIP T IO N
3
A T:D N
1
ANT:C ANT:B
12V
ANT:A
1 1 152.34
1 2 2 2 2 3 4 5 1
POWER
CH-A VOL CH-B VOL CH-C VOL CH-D VOL CH-E VOL CH-F VOL CH-G VOL CH-H VOL
1 2 3 3 3 3 3 3 3 3 4
8 ways
6
Rear panel
Body packing transmitter
-
+ 1- - -
+ + +
2
VOLUME
3 4
POWER
1 2 3 4
VHF FOU R CHANN EL
MICRO PHONE S YSTEM
1 2
3 3 3 3
Radio o utp ut po wer
Anten na
Pre-w eig ht
Cartr idg e
Batte ry co nsu mption
Batte ry li fe
Tempera tur e ran ge
>20mW
Hide in sid e
50 uS
Movin g dyn ami c coil
< 30mA
8 H time of d ura tio n
-10 --5 5 ¡
:
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>20mW
below t he mi n car rying freq uen cy 40 dB
50 uS
conde nse r
<30mA
8 H time of d ura tio n
-10 --5 5 ¡
Radio o utp ut po wer
Carry ing f req uency
Pre-w eig ht
Cartr idg e
Batte ry co nsu mption
Batte ry li fe
Tempera tur e ran ge
4 ways
4 ways
8 ways
1.Pow er sw itc h 2.P ower in dic ato r
3.Volu me ad jus t 4.Receiv ing i ndi cator
1. Anten na 2. Aud io output 3. mix ed- b alance out put
4. bala nce d out put 5.DC pow er
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OFF ON
INPUT
OF
F O
N
M
I
C
LE
D
VHF TWIN CHANNEL WIRELESS
MICROPHONE RECEIVER
OPEN
OP
E
N
VHF TWIN CHANNEL WIRELESS
MICROPHONE RECEIVER
O
PE
N
VHF TWIN CHANNEL WIRELESS
MICROPHONE RECEIVER
coll ar line
Powe r indica tor
Powe r switch
tie cl ip conju ction
Th is ci rc le l ig ht is w or ki ng , i nd ic at in g th e b at te ry w or king wh en t he
tr an sm itter i s sw it ched on .
4
1
3
4
2
Wireless meeting microphone Handheld transmitter
Laveliar transmitter
Operation
1.Car tri dge 2 .Wo rki ng indi cat or 3. Swi tch
4.Pow er an d low v oltage two c olo r ind icator
DC9V
<35mA
170-2 70M Hz
¡0.00 2%
>90dB
> 80dB
>80dB
<3%
Conde nse r noi se proof
Uni-d ire cti on
40Hz- 18K Hz( 3 dB)
-47¡3 dB @1 KHz
-10-5 5¡
Power s upp ly
Power c ons ump tion
Carry ing f req uency
Frequ enc y sta bility
S/N rat io
Chann el in ter ference ra tio
Dynam ic ra nge
T.H.D
Cartr idg e
Polar ity
Frequ enc y res ponse
Sensi tiv ity o f transmis sio n
Tempert ure
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¢Low vo lta ge in dicator
¢9V Bat ter y
¢Batt ery c ove r
¢Head n et
¢Powe r swi tch
¢Powe r lig ht
1.Ple ase p ut th e battery in t he ba tte ry case corr ect ly wi th right pol es
2.Working whe n the s wit ch on,m ute a t ST-B Y
3.Ple ase o ut ou t the batter y and s wit ch off if yo u will no t use .
4.Ple ase c han ge the batte ry wh en th e low voltag e lig ht is o n
¢
¢
¢
¢
¢
TEC H NI C AL PARA M ET E RSTEC H NI C AL PARA M ET E RS
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