BARDL PROFESSIONAL AUDIO CO. LTD. SF-30H Manual De Usuario

Thank you for using BARDL's product. Please read the user manual carefully before you 
operate the wireless microphone. 

 

1. PRODUCT INTRODUCTION 

UHF SF-318 professional wireless microphone is designed in UHF, dual CPU control, PLL 
synthesized and signals testing. There are together 300 adjustable frequency points for 
the customer to choose. 

 

(1) Features 
A. Wide band UHF frequency delivery 

This system uses the UHF to delivery. The frequency is 684.7MHz.   
UHF makes the wireless microphone avoid the traffic jam off frequency and the 
interrupts from the other kind of frequencies. 

 

B.CPU control 

The whole system is controlled by the micro computer. 

 

C.LCD display 

All of the menu items can be displayed in the LCD screen. 

 

D.PLL synthesized 

PLL synthesized is a better design than quartz locked design. The frequency is more stable 
and the receiving is more fluently. 

 

E. True diversity receiving wireless system 

2 SYSTEMS'S ACCESSORY INSTRUCTION 
 

(1) SF-318receiver 

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(2) POWER 

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(3) 1/4inch connect cable 

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(4) antennas 

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(5) instruction 

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(6) repair card 

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(7) 9V power supply 

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(8) microphone 

a: SF-30H handle transmitter 

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b: Clip style microphone: 

SF-30T clip style transmitter 

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Microphone: all direction uni- 
directional headset style 

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True diversity receiving wireless system makes the wireless microphone always receive 

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the strongest signals and get the best S/N. 

 

F.Noise testing and the noise reduction function 

The system can analyze the noise signal the normal signal constantly. When the noise 

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signal is stronger than the normal signal, the system will cut the noise signal automatically. 

 

G.Lower battery warning 

When the battery is low, the lights both on the microphone and the receiver will be shining 
to warn the user to change the battery. 

 

H.Audio output function 

The audio output jack has 3 pin XLR balance output and 1/4 inches un-balance earphone 
jack. They can be connected to the peripheral equipment. 

 

I.Modulation design 

The microphone is designed in modulation. It is easy to adapt the different microphone 
head in various places. 

 

 

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c: Guitar system: 

SF-30T clip style transmitter 

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1/4 inch mini 3 input pin 

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guitar cable connector 

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