BestMedia BM-520U User manual

H i g h P e r f o r m a n c e W i r e l e s s M i c r o p h o n e

USER Manaul

Infrared Auto-Channel Lock-On Function

Professional wireless microphone

200 Selectable Frequency Channel

Thank you for purchasing Best Media BM-520U.

Please read the user manual thoroughly prior to operate,

to ensure the microphone could be performed optimally

BM-520U

Features:

Best Media BM-520U is a well engineered,

high performance & high quality UHF wireless

microphone system. With its built-in infrared auto-

channel lock function and 200 frequency channel

to select from, the on-air radio interference will no

longer exist while operating BM-520U.

BM-520U comes with 2 handheld microphones,

an optional belt pack lapel with headset or

lavalier mic can be purchase separate.

For further information, please visit:

http://www.bestmediausa.com

-1-

WARNING! RISK OF ELECTRIC SHOCK DO NOT OPEN

ALWAYS KEEP THE MACHINE AWAY FROM WATER OR LIQUID

Cautions

Please do not open the system.

There are no user serviceable parts inside.

Refer all servicing to qualified personnel.

Keep the manipulation instruction - please keep this manual for further need of

safety and manipulation requests

Humidity Cautions - keep the machine away from humid conditions.

4. Aeration - keep the machine in well ventilated conditions at all time, there

should be at least 5cm clearance around the device.

Heat Source - keep the devices away from heat sources, such as radiators,

heaters & stoves.

5. Power Supply- use only the corresponded voltage as power source.

No exposed fire should be on the device (e. g. flaming candles).

No liquid or weights should be on the device, no water dripping or splashing onto

the device.

Protect the machine from being damaged as the pictures shown above.

-2-

Package Includes:

Dual-Channel Wireless RF Receiver x 1

Handheld Microphone x 2

Antennas, Battery Set, Anti-Rolling Plastic Rings x 2

System configuration:

Two Handheld Microphones

One Handheld Mic + One Belt-Pack Lapel (the lapel can be a headset or a lavalier)

-3-

1 2 34

7 98 8 7 6

1﹜ Volume knob

2﹜ LED display: channel ,mute, receive-channel frequency, radio frequency, etc.

3﹜ Infrared channel-select window: send the channel parameter to the transmitter.

working in "SET" button

menu state, press "SET" again to activate the setting.

5﹜ Power button: To turn on, hold and press the on-off button until the LCD screen shows on.

To Turn off, Hold and press the on-off button for 3 second until the LCD screen shows off.

VOLUME A

POWER

SET

DOWN

Sync

CHANNEL A CHANNEL B

SET

DOWN

VOLUME A

2 4 1

ANT B SENSITIVITY B BAL B OUT BAL A OUTMIX OUT SENSITIVITY A ANT A DC INPUT

12V 600mA

4﹜ Three function keys: Press “SET”, go to circular selection menu, press to change

User Manual, Microphone Cable, Rack Mounted Kits x 1

Lapels, headset mics & lavaliers are optional item, purchase seperate.

Two Belt-Pack Lapels (each lapel can be a headset or a lavalier)

Lapels, headset mics & Lavaliers are optional item, purchase seperate

6﹜ Power socket :DC 15V 500m. A power inputs socket, central electrode of the socket connects

to positive pole.

7﹜ Antenna jack

8﹜ Noise elimination control: counter clockwise ,to turn down receive-sensitivlty, zoom in

receive-distance, but strengthen anti-jamming function, rice versa.

9﹜ Audio balance out: suitable for long-distance connection, capable to knock down the noise

caused by line-connection.

10﹜ Audio mix out: send out one mixed signal by two.

Introduction for the LCD of the receiver

1﹜ 8-level RF display: signal strength of the receiving frequency

2﹜ 8-level AF display: signal strength of the audio frequency

3﹜ Frequency menu display: when the indicator is on, current service frequency is

show by the last 6 digits

4﹜ Channel menu display: when the indicator is on, current service channel is shown

5﹜ Mute display: when the indicator is on, frequency signal is not received.

6﹜ Channel display:dynamic display for the current auto-selected atenna channel,

shows channelA, means channel B.

-4-

7 8

Specifications

Handheld Microphone

1﹜ Sound receiver: steel netting and sound head module

2﹜ LCD: service channel and battery

3﹜ Infrared channel selecting window: send the channel parameter to transmitter, working in

the "SET" key of the receiver

4﹜ 3-step on-off: turned-off goes downwards, mute stays middle, turned-on goes upward.

Caution: if you want the microphone works mute during in use, you can set

the switch at middle rather than turning on. Switch downwards to

turn off after use.

5﹜ Pipe body: built-in transmitting antenna inside

6﹜ Battery cage: 2x1.5V alkaline batteries(please remove the batteries if not in use for a long

time)

7﹜ High-Low RF switch(located inside the battery cage)

Tips: While running several BM-520U in KTV rooms, low frequency strength is

recommended. Longer battery life & less frequency conflict will be benefitted.

-5-

12 4 5

8﹜ Lock key (located in battery cage): used to lock the power on-off switch upwards

go to "ON" at the time outside power switch off, the microphone is still

working at mute, but the transmitting mike remains transmitting state.

Caution: This switch is available to keeping non-professional from

shutting down the mike by mistake channing in use (because

unexpected turned-off causes 2-3 sec delay)

Introduction of hand mike LCD

1﹜ Channel display: current service channel

2﹜ 8-level battery volume display: when the last 2-level starts displaying, full battery

is required.

3﹜ Please put on full-changed battery when display,as pic 2.

4﹜ When lock key is on with power switch off, display as pic 3,which means

transmitter is locked, mute function is on while power off

-6-

Specifications of the handmike

manual for handheld transmitter

channel battery volume. If service channel needs to change, receiver's channel

should be changed first. Then aim up the infrared windows of transmitter and

receiver, and then operate channel-selecting by hitting "SET" in receiver, klew

channel para meters will be sent to the transmitter.

manual for handheld transmitter

1﹜ hold the column on upside, press the battery cover on upside, which is found

right below the sphere protect-net slide down the battery cover,the battery cage

will open.

2﹜Put two new 1. 5V alkaline battery on. Make sure polarities are well set.

Caution: do not misset polarities, it may alamage internal electronic

components of transmitter

3﹜ Put on the battery cover again

Specifications of the handmike

-7-

INDICATOR SWITCH

IR PORT

CH 36

FREQ UEN CY

MHz

774. 000

select channel autometically with infrared

1﹜ Turn on the receiver: press the power on-off and hold on until LCD lights up.

2﹜ Select channel(or frequency)by pressing " " or " " t hen p ress "S E T" to ensure

the selection.

3﹜ Turn on the mike, press "SET" , LCD will display like pic 1, then aim the channel-

selecting window of the mike of ACT window of the receiver,till LCD displays

like pic 2,channel is well-selected.

4﹜ Display like pic 3, which means infrared is sent but not yet selected by any

channel,so press " " to select channel one more time.

Swich channel display to frequency display

1﹜ Turn on the receiver: press the power on -off and hold on until LCD lights up.

2﹜ Press "SET" twice,display like pic 4.

3﹜ Press " ", sparkle like pic 5.

4﹜ Press "SET" to ensure, press again, go back to frequency display state, like pic 6.

Channel-selecting and other special functions of the receiver

-8-

-9-

Receiving machine channel-selecting and other special

functions of the the receiver.

* switch frequency display to channel display

1﹜ Turn on the power of the receiving machine: press the power button the LCD

light is bright.

2﹜ Press "SET" continuously for tuile. Show it picture 4

3﹜ Press " " button,apper "picture 3" and flash

4﹜ Press "SET" to ensure. Press it again and than it will let to the situation of frequency

display.

* lock the choosen channel

This locked function can be used when the receiving machine is adjusted.

When the locked function is on, the three function button in the receiving

machine panel would be locked, in order to prevent nonprofessional person(s)

accidentally use.

Operortion steps below:

1﹜ Turn on the power of receiving machine:press the power button,LCD light is bright.

2﹜ Press "SET" continuously for three time, appear like picture 7

3﹜ Press the" " button to ensure and finish the function of locked channel.

* turn off the locked funcation

1﹜ turn on the power of the receiving machine: press the power button and LCD

light is bright

2﹜Press "SET" button for once, appear picture 8

3﹜Press" " button, appear picture T and flash

4﹜Press "SET" to ensure, finish the function of unlocking.

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