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-Soft touch painting for comfortable use; 

-COMMON FEATURES, 

-PLL synthesized design;

-Consistent operating frequencies to comply with the EMC regulations; 

-16 channel frequency presets; 

-Manufactured under ISO9000:2000, ISO/TS16949:2002 quality management system; 

3. CONTROL ELEMENTS

3.1 UB-81R/81DV, PLL UHF DIVERSITY RECEIVER

POWER SWITCH

It switches on/off UB-

81R/81DV

 main power.

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1   

 THE FRONT PANEL

-Channel frequency adjusted manually 

3

RF LED 

  This LED lights up when antenna receives signals. 

  Note: UB-81DV has two antennas. LED A lights up when antenna A receives more

   signals than antenna B. LED B lights up when antenna B receives more signals than
   antenna A. 

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4   

POWER LED

This LED lights up when the receiver is powered on and vice versa. 

AF PEAK LED

This LED lights up when the signal reaches PEAK and sound is distorted.  

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It is used to adjust the volume of receiver.

VOLUME CONTROL 

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 THE REAR PANEL 

DC JACK 

This DC jack is used to connect DC 12~18V for the receiver. 

XLR AUDIO OUTPUT

This is a professional balanced XLR output connector.

AUDIO OUTPUT JACK

This is a professional unbalanced output jack.

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3.2 UB-8H, HANDHELD TRANSMITTER 

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SQUELCH CONTROL 

It is used to adjust the squelch level by using an adjusting bar which is placed in the 

microphone. The adjustable squelch range is 95.0~65.0dB.  

FREQUENCY BAND SELECTOR

Using a select bar, you can select the right frequency band you want. 

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The antenna receives the signals from transmitter. .

Note: 81DV has two antennas and 81R has only one antenna.

ANTENNA

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-UB-8H/8P TRANSMITTER,

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Summary of Contents for UB-81DV

Page 1: ...886 4 22313737 Fax 886 4 22346757 http www show pa com e mail sekaku sekaku com All rights reserved to SEIKAKU All features and content might be changed without prior notice Any photocopy translation...

Page 2: ...n mode Carrier frequency band Frequency response Frequency stability T H D Modulation mode RF output power Dynamic Tone frequncy Curent drain Max Deviation Battery Microphone Capsule 4 band choice Dim...

Page 3: ...Protective Grounding Make sure to connect the protective grounding to prevent any electric shock before turning ON the apparatus Never cut off the internal or external pro tective grounding wire or di...

Page 4: ...rate normally or has been dropped Follow all instructions instructions Do not install near any heat sources such as radiators heat registers stoves or other apparatus including am plifiers that produc...

Page 5: ......

Page 6: ...e the squelch responds to the detected voltage and cannot distinguish between wanted signal and noise Besides that a too high squelch threshold also decreases the usable range The squelch range is 95...

Page 7: ...enser microphones 3 3 1 1 4 4 2 2 Pin 1 GND Pin 4 for Dynamic or condenser microphone ANTENNA It is the flexible antenna To get effective transmission never cover the antenna with hand clothes etc dur...

Page 8: ...OWER SWITCH 2 2 The unit may be powered from a dry or rechargeable battery BATTERY COMPARTMENT 7 7 This adjusting bar is placed in the microphone It is used to adjust squelch control and band selector...

Page 9: ...vice versa AF PEAK LED This LED lights up when the signal reaches PEAK and sound is distorted 2 2 3 3 It is used to adjust the volume of receiver VOLUME CONTROL 5 5 THE REAR PANEL DC JACK This DC jac...

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