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VHF 

WIRELESS MICROPHONE 

OPERATION MANUAL

VHF 

WIRELESS MICROPHONE 

OPERATION MANUAL

VHF-238

VHF-238

Summary of Contents for VHF-238

Page 1: ...VHF WIRELESS MICROPHONE OPERATION MANUAL VHF WIRELESS MICROPHONE OPERATION MANUAL VHF 238 VHF 238 ...

Page 2: ...VHF WIRELESS MICROPHONE OPERATION MANUAL 1 Precautions Hand held microphone Receiver unit operation Installation Trouble shooting Specifications ...

Page 3: ...on please check the voltage of battery or polarities If it gets dim bit by bit then LOW indicator becomes red in using this indicates battery is dead please replace by another new one 3 Pushing MUTE switch to downside audio will be cut down noises are prohibited to come across receiver To use microphone please push MUTE switch to upside 4 Please confirm frequency of transmitter same as that of rec...

Page 4: ...other end into MIC IN or AUX IN of amplifier or mixer 3 Connecting the power adaptor from DC 12V of receiver to a mains power socket 4 Switching on receiver the power indicator comes on 5 Switching on microphone the RF indicator on receiver comes on green The LEVEL indicator will light up when speak to microphone Adjusting the volume by VOL A and VOL B control knobs ...

Page 5: ...jack lead connect from the MIXER jack socket to the MIC IN LINE IN socket on amplifier Plug the mains power adaptor from DC 12V jack to a suitable mains power socket Attention in installation 1 5m higher than ground 1 5m distance from wall ...

Page 6: ...5 ...

Page 7: ...KHz at 3dB Operating range 30M Operating Temperature 20 50 B Receiver Sensitivity 6dB V at S N 20dB Image Rejection 50dB De emphasis 50 s Audio output level 1V p p Audio Output Impedance 600ohms Power supply DC 12V 200mA Power Dissipation 800mW C Transmitter Mike capsule Dynamic microphone Pre emphasis 50 s Antenna Built in housing RF output power 10mW Spurious emission 40dB Battery one 9V battery...

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