background image

Receiver

Receive mode

frequence stability

sensitivity

signal to  noise ratio

audio output

power

crystal frequence lock

    15PPM

    3uV  30dB S/N

    60dB

    0~0.5V/4.7K

    AC120( 10%)

frequence stability

modulate mode

modulate degree

emission power

harmonic suppression

battery

Transmitter

15PPM

    FM

    >30KHz

  30mV MAX

    40dB

 1.5V AA battery

SPECIFICATION

frequence stability

modulate mode

frequence response

signal to noise ratio

maximum sound pressure

distortion factor

effective field (in the open air)

operation temperature

System specification

0.005%

    FM

  50-16000Hz

    >60dB

     120dB

     1%

    50M 

~

10     +50

C

C

5

ATTENTION

       For the rechargeable system, which uses AA recycle rechargeable batteries. It 
has recharge equipment. The recharge instructions are as below:
1.   When the handheld microphone is out of power during using, please recharge it
      in time. 
2.   Plug in the receiver, screw out antenna of the microphone. and connect the
      microphone into the recharge socket on top of the receiver. the recharge signal 
      When the batteries are recharged.
3.   In recharge status, the receiver will automatically close its display and audio 

      output.

Application:

1.   Applicable batteries: AA 1.5V rechargeable batteries.
2.   Rated recharge power:100mA+/-10%

3.   Rated recharge time:

4hrs.

Hold The Transmitter With Care:

Please dont le tan  y ob

  jects (d ust, ra indrop, gr it) fa ll in toth e m achine to  ca use an

  y

damage to it.
Please avoid the machine falling onto the ground. Keep it away from serious strike or
shake.
The machine is not waterproof. Please avoid raindrop, tea etc. splattering onto the
machine.

In most countries of the world, regulations for wireless system are generally stipulated by
the governments. To get legal usage permission is a must. The local distributors may give
you regulations for wireless system in your district.

Should this machine does not work as usual, please stop using, take out the batteries or
cut off the AC power immediately. Please contact the local distributor or accepted service
center to ensure your effective rights and interests.

Ensuring:

Permission:

Special Warning:

      This charger is applicable for AA recycle rechargeable batteries only. Non-rechargeable 
batteries are forbidden to be used to avoid any danger.

6

Summary of Contents for WM-300

Page 1: ...tage of the features read this manual carefully before use For purposes of improvement specifications and design are subject to change without notice This manual has been checked carefully if any mistakes because of printing or other reason make you puzzle please call the dealer WM 300 ...

Page 2: ...x circumstances Dual frequency design Be able to use two microphones at the same time without mutuaI interference Applicable for medium small stages karaoke halls and homeentertainment etc Features 1 Be sure to check whether thelocal voltage accord with operativevoltage of the microphone before using make correct selection Wrong selection may leadto burnout of the whole machine 2 Please don t open...

Page 3: ...y installisn t correct polarity The transmitter is working out of effective field Fail to operate Noiseanddistorted sound Disturb by other electric wave The operation frequence of two transmitter is same The batteries voltage of the transmitter isn t enough The frequence of the transmitter and the receiver isnt same TROUBLESHOOTING Shortentheoperationdistanceof the transmitter and the receiver Mov...

Page 4: ...ries are recharged 3 In recharge status the receiver will automatically close its display and audio output Application 1 Applicable batteries AA1 5V rechargeable batteries 2 Rated recharge power 100mA 10 3 Rated recharge time 4hrs Hold The Transmitter With Care Please dont letany objects dust raindrop grit fall intoth e machine to cause any damage to it Please avoid the machine falling onto the gr...

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