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Selecting fine audio equipment such as the unit youʼve just purchased is only the start of your 

musical enjoyment. Now itʼs time to consider how you can maximize the fun and excitement your 

equipment  offers.  VocoPro  and  the  Electronic  Industries  Associationʼs  Consumer  Electronics 

Group want you to get the most out of your equipment by playing it at a safe level. One that lets 

the  sound  come  through  loud  and  clear  without  annoying  blaring  or  distortion  and,  most 

importantly, without affecting your sensitive hearing.
Sound can be deceiving. Over time your hearing “comfort level” adapts to a higher volume of 

sound.  So  what  sounds  “normal”  can  actually  be  loud  and  harmful  to  your  hearing.  Guard 

against this by setting your equipment at a safe level BEFORE your hearing adapts.
To establish a safe level:

• Start your volume control at a low setting.

• Slowly increase the sound until you can hear it comfortably and clearly, and without 

  distortion.
Once you have established a comfortable sound level:

• Set the dial and leave it there.

• Pay attention to the different levels in various recordings.
Taking a minute to do this now will help to prevent hearing damage or loss in the future. After all, 

we want you listening for a lifetime.
Used  wisely,  your  new  sound  equipment  will  provide  a  lifetime  of  fun  and  enjoyment.  Since 

hearing damage from loud noise is often undetectable until it is too late, this manufacturer and 

the  Electronic  Industries  Associationʼs  Consumer  Electronics  Group  recommend  you  avoid 

prolonged exposure to excessive noise. This list of sound levels is included for your protection.

Some common decibel ranges:

Level 

30

40

50

60

70

80

Example
Quiet library, Soft whispers      

Living room, Refrigerator, Bedroom away from traffic

Light traffic, Normal Conversation

Air Conditioner at 20 ft., Sewing machine

Vacuum cleaner, Hair dryer, Noisy Restaurant

Average city traffic, Garbage disposals, Alarm clock at 2 ft.

The following noises can be dangerous under constant exposure:

Level 

90

100

120

140

180

Example
Subway, Motorcycle, Truck traffic, Lawn Mower 

Garbage truck, Chainsaw, Pneumatics drill

Rock band concert in front of speakers

Gunshot blast, Jet plane

Rocket launching pad

-Information courtesy of the Deafness Research Foundation

Listening for a Lifetime

Summary of Contents for UHF-8900

Page 1: ...o w n e r s m a n u a l UHF 8900 UHF PLL WIRELESS MIC SYSTEM WITH FREQUENCY SCAN...

Page 2: ...a Lifetime 6 Features 7 Getting Connected 8 Descriptions and Functions 10 Setting up the Microphones 13 Re syncing the Microphones 16 Using the Wireless Mics 17 Basic Operations 18 Advanced Operations...

Page 3: ...cluding amplifiers that produce heat 10 Power Sources The appliance should be connected to a power supply only of the type described in the operating instructions or as marked on the appliance 11 Grou...

Page 4: ...e place for future reference 2 Install your unit in a cool dry clean place away from windows heat sources and too much vibration dust moisture or cold Avoid sources of hum transformers motors To preve...

Page 5: ...urtiss Court La Verne CA 91750 Toll Free 800 678 5348 TEL 909 593 8893 FAX 909 593 8890 VocoPro Company Email Directory Customer Service General Information info vocopro com Tech Support techsupport v...

Page 6: ...ay attention to the different levels in various recordings Taking a minute to do this now will help to prevent hearing damage or loss in the future After all we want you listening for a lifetime Used...

Page 7: ...150 wireless frequencies available LCD display shows frequency and other info 19 rack mountable chassis uses just 2 rack spaces Independent power knob and volume control per channel 8 balanced XLR ou...

Page 8: ...8900 3 Connect the other end of the XLR cable to the desired input on your mixer Note To avoid confusion it s recommended that the XLR jacks are attached correspondingly e g CH 1 to CH 1 CH 2 to CH 2...

Page 9: ...ard 19 inch rack 1 Use the included screws to fasten the rack brackets to the sides of the UHF 8900 as shown in the illustration below Mounting the UHF 8900 in a Rack The UHF 8900 will fit in a standa...

Page 10: ...menu selections When in IR Mode it is used to confirm the desired frequency when choosing manually 6 Menu Button Used to cycle through menu screens Press once 1x to toggle into the Group GR Selection...

Page 11: ...Displaying the Group Frequency page for details 3 IR infrared Mode Indicator Indicates when the module is in IR Mode which is used to assign a microphone to a module 4 Squelch Displays the current Squ...

Page 12: ...io signal 2 Power LED This LED indicator will turn green when the microphone is turned on It will turn red when the batteries need to be replaced 3 ON OFF Switch This switch turns the microphone on or...

Page 13: ...GR 1 1 through G 1 A The bottom Module row Right 2 Modules The Groups are listed as GR 2 1 through GR 2 A Pressing Buttons 4 Second Default When cycling through the selection modes and parameters usi...

Page 14: ...that the 2 IR sensors are level and within 3 5 inches of one another 4 Select Scan Press the MENU button on the desired module twice 2x This will display the symbol Scan on the LCD The Scan Mode will...

Page 15: ...e MENU button on the desired module twice 2x This will cycle the menu past the SCAN screen and enter the Channel CH selection screen this will display the symbol CH on the LCD With the CH symbol displ...

Page 16: ...Position the microphone so that the 2 IR Sensors are level within 3 5 inches of one another 4 Re sync Microphone Press the MENU button on the desired module for time 4x to cycle the menu to IR mode th...

Page 17: ...reducer to cut the frequency bands in which the feedback occurs Microphone Placement Tone Quality Lead Backup Vocals Lips should be less than 3 from or even touching the windscreen on an axis to the...

Page 18: ...her squelch setting provides better protection against interference However since a high setting also can cause a reduction in operating range set the control to the lowest position that reliably mute...

Page 19: ...TV broadcast towers If the UHF 8900 is experiencing dropouts static or other strange noises it is likely RF interference at fault if within the threshold distance of 30 miles Follow the instructions b...

Page 20: ...tially starting from GR 01 through GR 05 The bottom Module row Left 2 Modules The Groups are listed as GR 1 1 through G 1 A The bottom Module row Right 2 Modules The Groups are listed as GR 2 1 throug...

Page 21: ...51 200 CH 04 634 100 640 100 646 100 652 100 CH 05 635 500 641 500 647 500 653 500 CH 06 637 300 643 300 649 300 GR 2 1 GR 2 2 GR 2 3 GR 2 4 GR 2 5 GR 2 6 CH 01 655 000 658 700 657 600 656 000 662 000...

Page 22: ...uencies USA 38 614 620 MHz 39 620 626 MHz 40 626 632 MHz 41 632 638 MHz 42 638 644 MHz 43 644 650 MHz 44 650 656 MHz 45 656 662 MHz 46 662 668 MHz 47 668 674 MHz 48 674 680 MHz 49 680 686 MHz 50 686 6...

Page 23: ...Refer to obtaining information on your proximity to TV broadcast towers The microphone will not set to the desired frequency Make sure the microphone has charged batteries Make sure nothing is blocki...

Page 24: ...UHF 8900 Owner s Manual VocoPro 2014 v1 0 0812 www vocopro com...

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