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FMUSER INTERNATIONAL GROUP INC Support: http:// fmusersupport.com

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User Manual

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FU-25A 25W FM Transmitter

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Summary of Contents for FU-25A

Page 1: ...FMUSER INTERNATIONAL GROUP INC Support http fmusersupport com 1 18 User Manual For FU 25A 25W FM Transmitter...

Page 2: ...ce 6 6 Quick Guide for Connecting part 7 7 Key Functions and Operation 7 7 1 Button 7 8 User Must Know 12 8 1 Precautions of Transmitter 12 8 2 About Transmission Distance 12 8 3 About sound quality 1...

Page 3: ...transmitter uses professional transmitting transistors it gives excellent audio quality the audio port and microphone port are independent from each other the input signal will be processed independe...

Page 4: ...smitter will turn to protection mode automatically Temperature protection When the temperature of transmitter is too high it will turn to protection mode automatically 4 Technical Specifications NO It...

Page 5: ...sersupport com 5 18 radiation 10 Audio distortion 0 2 11 Frequency Response 50Hz 15000Hz 12 Separation 35 dB 13 Input level 15 dBV 14 Frequency Modulation 75KHZ 15 SNR 70dB 16 Size 210 L 174 W 59 H Ex...

Page 6: ...FMUSER INTERNATIONAL GROUP INC Forum http bbs fmuser com 6 18 5 Appearance 5 1 Front Panel 5 2 Rear Panel...

Page 7: ...reen lighted 5 Set the transmitter audio input to your audio source input 6 To set your frequency 7 To turn the same frequency in your radio then you can hear the audio 7 Key Functions and Operation 7...

Page 8: ...smitter O position means OFF See picture on the right After power on the transmitter goes into working status Real time working frequency Real time internal working temperature RF output power SWR Sou...

Page 9: ...e RF output will be shut down temporarily Turn the knob to adjust the frequency by stepping of 0 1MHz then press the knob to confirm setting and exit Line in Volume setting On the Menu page turn the k...

Page 10: ...firm setting and exit RF output power setting On the Menu page turn the knob to page 4 RF POWER setting press the knob to enter setting Turn the knob to adjust the output power within the range of 0 5...

Page 11: ...rn the knob to page 7 SWR SET setting press the knob to enter setting Turn the knob to adjust the SWR protection point within the range of 1 0 5 0 then press the knob to confirm setting and exit Line...

Page 12: ...the antenna to higher gain or install the antenna on places at higher altitude Generally speaking a antenna brings up a transmission distance of around 2 5KM Please contact us for more and better tra...

Page 13: ...h the transmitter then check if the buzz still exists If the buzzes stop after step 2 the possible reason could be the quality of the line in cable or the line in cable was intertwined with the power...

Page 14: ...ter Small Conference Room 50 x 50 Less than 50 people FU 15A 15W FM transmitter Public Speech on Square 500x1000 1000 1500 people FU 25A 25W FM transmitter FU 30B 30W FM transmitter FU 50B 50W FM tran...

Page 15: ...t match transmitter 3 There are too many reflecting objects close to antenna 3 Temperature Alarm 1 Fan is not working 2 Antenna doesn t match transmitter the SWR value is too high thus temperature ri...

Page 16: ...No audio output 1 Transmitter line in volume is too low 2 Line in audio signal is abnormal 8 No microphone output 1 Microphone is not working well 2 Microphone volume is too low 3 Microphone is dynam...

Page 17: ...ng of the problems please provide the information as below this will help us to get a solution faster a The full page Screenshots of status b The full page Screenshots of media c The full page Screens...

Page 18: ...FMUSER INTERNATIONAL GROUP INC Forum http bbs fmuser com 18 18 Let s make it easy to do Broadcasting TV FMUSER...

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