OKAYO Electronics WT480T-EJ8LT Wireless Microphone User Manual
OKAYO Electronics Co., Ltd. Wireless Microphone
User Manual
User's Guide
UHF-PLL TRANSLATION
TOUR-GUIDE SYSTEM
A. Descriptions of Parts
B. Features
C. Transmitter
D. Key Specifications /Special
Features Overall system
E. Receiver
F. Applications
-2--2-
*** CONTENTS ***
3~4
5~6
6
7
8
8~11
* * * * * * * * * * * * *
(1) Antenna
(2) MIC. input
(3) Power switch
(4) LED indicator
(5) MIC. volume
(6) Battery cover
(7) Charging contact
(8) Battery box
(9) Channel selector
(10) Belt clip
CHANNEL
SELECT
CHANNEL
SELECT
OPEN
_ UM-3"AA".5V +
_
+ UM-3"AA".5V
-3--3-
A. Descriptions of Parts
Transmitter
00
2266
44
88
AA
CC
EE
(1) Antenna
(2) EAR. input
(3) Power switch
(4) LED indicator
(5) EAR. volume
(6) Battery cover
(7) Charging contact
(8) Battery box
(9) Channel selector
(10) Belt clip
CHANNEL
SELECT
CHANNEL
SELECT
OPEN
_ UM-3"AA".5V +
_
+ UM-3"AA".5V
-4--4-
Receiver
00
2266
44
88
AA
CC
EE
1.Transmitter with built-in, hidden electrical condenser
mic. volume adjustable , applicable with tie clip or
head set microphone.
2.Receiver with built-in ,hidden super thin speaker ,
volume adjustable , applicable with ear set.
3.Match with dual slots charging stand or 30 slots
portable charging case , easy to recharge battery,
no need to buy additional batteries.
B. Features
-5--5-
4.Applicable Occasions : Tour Guide , Museum and
Factory visit, Oral multi-languages translating
system ,audio-visual language teaching , assist
wireless amplification system etc,
Audio level
Earphone connector
Battery life
Alkaline disposable
Dimensions (D*W*H)
Weight
Battery life Ni- MH.
Rechargeable
0 dBv
3.5mm jack socket, for mono
(built-in hidden speaker)
or stereo without speaker
16 hours typical
92 * 65 * 2 5 mm
130g
9 hours typical
-6--6-
C. Transmitter
D. Receiver
10 mW
(according to regulation)
R F output
10 hours typical
Battery life Ni-MH.
Rechargeable
17 hours typical
Battery life
Alkaline disposable
92*65*25 mm
Dimensions (L*W*H)
128g
Weight with battery
E. Key Specifications /Special
Features Overall system
-7--7-
Oscillation type
PLL synthesized control OSC
Adjustable frequencies
pre-programmed 8 or 16
switchable frequencies
Battery
1.2V (Ni-mh.1300mA)* 2 AA
rechargeable battery
Carrier frequency range
UHF 740~865 MHz
(according to regulation)
Operating range
70~100M (opening field)
1.5V * 2 AA
Alkaline disposable
-8--8-
F. Applications
1.Before use,please install the antenna and
batteries on transmitter and receiver .
2.Transmitter with built-in condenser mini mic.
or external microphone (Mic. jack).
Receiver with built-in mini spenker or external
earphone (earphone jack).
3.Move the power switch of transmitter to the
"On" position .The indicator lamp will flash red
once indicating power input properly. If the
indicator lamp stays red while the switch is on .
it means the power of batteries is low and the
batteries need to be recharged (when using with
rechargeable battery) or to be replaced (with dry
cell batteries).
4.Move the power switch of receiver to the "On"
position.The green LED will light up indicates
receiving the signal from transmitter. When LED
stays red while switch is on, it means the power
of batteries is low.
5.Adjust the volume control switch both on
receiver and transmitter to proper volume.
-9--9-
6.Adjust both transmitter and receiver channel
(on back side) to the desired same channel
(0~F ch.). If the selected channel is noisy,
Adjust them to the other channel.
7.please keep the operntion distance more than
10~20M. between transmitter and receiver when
using with multi channel at same time to avoid
interference.
8.Please remove the batteries if the units will be out
of service for a long time, to avoid possible
damage due to leakage.
9.When recharging the transmitter and receiver
with charging stand ,please turn the switch to
"OFF" position and then insert in the charging
slot for recharging.(please use 2 pcs AA
size Ni-MH. Rechargeable battery)
10.This system also could use AA type dry battery,
but please do not put them on charging stand
for recharging.
-10--10-
1. Keep away from rain , water or the moisture places to avoid any
damages caused.
2. Avoid and exteranl forces or impact.
3. Do not use it in high-temperature environment.
4. Do not connect with others different specific power supply.
5. Keep the wireless microphone away from sources of interference
such as operating COMPUTERS , VCD , DVD...ect
or communication equipment.
6. If the unit is not using for long period , please make sure the
batteries are moved out.
Attention:
Model
FCC ID
THIS DEVICE COMPLIES WITH PART 15 OF THE
FCCRULES OPERATIONS 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 INTERFEERENCE THAT MAY
CAUSE UNDESRIED OPERATION
Notice : The changes or modifications not expressly aproved by the party
responsible for compliance could voide the user's authority to
operate the equipment.
-11--11-
Fig(1)
Audio Volume built-in microphone (TX)
built-in earphone (RX)
TX RX
RX.1
RX.2
TX RX.3
-12--12-
Fig(2)
Fig(3)
(TX - RX)
(TX - Multi Rx)