VHF 3005 manual.indd
Contents
1. a performance to ensure optimum placement of microphone and monitors IMPORTANT Every wireless microphone installation is a unique situation and can present a variety of problems Never attempt a live performance without first conducting a walkthrough test of the system in the performing area If major changes additional wireless systems or intercoms relocation of scenery etc have been made since the last walk through test check the wireless system again as close to performance time as possible Microphone Basics Microphone Position The VHF 3005 is ideal for close up vocals and can be held in the hand or mounted on a mic stand The most common applications and placement techniques are listed below Keep in mind that microphone technique is largely a matter of personal taste there is no one correct microphone position Proximity Effect When the sound source is less than 1 4 in from the microphone the microphone boosts bass frequencies by 6 to 10 dB at 100 Hz creating a warmer and richer bass sound than when farther away This effect known as proximity effect happens only in unidirectional dynamic microphones like the VHF 3005 Feedback Feedback occurs when the amplified sound from any loudspeaker reenters the sound system through any open microphone and is amplified again and again and again Most commonly feedback is caused by the following conditions placing loudspeakers too close to microphones having too man2. cabinet If a foreign object drops into the set contact your dealer Place the unit in a location with adequate air circulation Do not interfere with its proper ventilations this will cause the internal temperature to rise and may result in a failure Do not use force on switches knobs or cords When moving the unit first turn it off Then gently disconnect the power plug and the cords connecting to other equipment Never pull the cord itself Do not attempt to clean the unit with chemical solvents this might damage the finish Use a clean dry cloth Be sure to read the Troubleshooting section on common operating errors before concluding that your unit is faulty This unit consumes a fair amount of power even when the power switch is turned off We recommend that you unplug the power cord from the wall outlet if the unit is not going to be used for a long period of time This will save electricity and help prevent fire hazards To disconnect the cord pull it out by grasping the plug Never pull the cord itself 10 To prevent lightning damages pull out the power cord and remove the antenna cable during an electrical storm 11 The general digital signals may interfere with other equipment such as tuners or receivers Move the system farther away from such equipment if interference is observed 12 When positioning your equipment especially regarding speakers or other accessories avoid positioning them over areas where the
3. read the following instructions prior to starting any installation procedures Doing so will ensure a correct installation and may save you some time as well Protect Against Power Surges e Connect all external components before you plug any of their power cords into the wall outlet e Turn off the VHF 3005 before you connect or disconnect any cables e Make sure all cables are properly grounded Protect Components from Overheating e Don t block ventilation holes Arrange any components so that air can circulate freely e Don t stack components e f you place the VHF 3005 on a stand make sure you allow adequate ventilation Position Cables Properly to Avoid Audio Interference e Insert each cable firmly into the designated jack e f you place components above the VHF 3005 route all cables down the side of the back of the VHF 3005 instead of straight down the middle of the back of the VHF 3005 Important Stand and Base Safety Information Choose the location for your VHF 3005 carefully If the VHF 3005 is placed on a stand or base ensure that it is of adequate size and strength to prevent it from being accidentally tipped over pushed off or pulled off This could cause personal injury and or damage to the VHF 3005 You should have received the following items VHF Base Receiver Wireless Microphones AC DC Adapter 9V Hi Watt Batteries 1 4 Microphone Output Cable VHF DUAL WIRELESS MICROPHONE SYSTEM VOLUME Www am
4. with the requirements listed in FCC Regulations Part 15 for Class B digital devices Compliance with these requirements provides a reasonable level of assurances that your use of this product in a residential environment will not result in harmful interference with other electronic devices This equipment generates uses radio frequencies and if not installed will not occur in all installations If this product is found to be the source of interference which can be determined by turning the unit Off and On please try to eliminate the problem by using one of the following measures Relocate either this product or the device that is being affected by the interference Use power outlets that are on different branch circuit breaker or fuse circuits or install AC line filter s In the case of radio or TV interference relocate reorient the antenna If the antenna lead in is 300 ohm ribbon lead change the lead in to coaxial type cable If these corrective measures do not produce satisfactory results please contact your local retailer authorized to Curtiss Court La Verne CA 91750 CAUTION The apparatus is not disconnected from the AC power source so long as it is connected to the wall outlet even if the apparatus itself is turned off To fully insure that the apparatus is indeed fully void if residual power leave unit disconnected from the AC outlet for at least fifteen seconds CAUTION READ THIS BEFORE OPERATING YOU
5. R UNIT 1 To ensure the finest performance please read this manual carefully Keep it in a safe 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 v motors To prevent fire or electrical shock do not expose to rain and water 3 Do not operate the unit upside down 4 Never open the cabinet If a foreign object drops into the set contact your dealer 5 Place the unit in a location with adequate air circulation Do not interfere with its proper ventilation this will cause the internal temperature to rise and may result in a failure 6 Do not use force on switches knobs or cords When moving the unit first turn the unit off Then gently disconnect the power plug and the cords connecting to other equipment Never pull the cord itself 7 Do not attempt to clean the unit with chemical solvents this might damage the finish Use a clean dry cloth 8 Be sure to read the Troubleshooting section on common operating errors before concluding that your unit is faulty 9 This unit consumes a fair amount of power even when the power switch is turned off We recommend that you unplug the power cord from the wall outlet if the unit is not going to be used for a long time This will save electricity and help prevent fire hazards To disconnect the cord pull it out by grasping the plug Neve
6. Www americanmusical com VAL 2S TAI THE SINGER S ULTIMATE CHOICE FEATURES e Dual Antenna Receiver Design e Squelch Circuitry Eliminates Background and RF Noise Bursts e VHF Band 180 MHz 270 MHz Quartz Lock for Drift free Operation e Audio Mute circuitry Provides Noiseless On Off Switching e Dual Front Panel Volume Controls e Two 1 4 Outputs for a Separate or Mixed Signal Output e Excellent Operating Range to 150 ft e Low Battery Indicators e Dual Front Panel RF Indicator LED s D 20 D 02727 2 2 2 VHF 3005 VHF DUAL WIRELESS MICROPHONE SYSTEM VOLUME VHF 3005 Dual Channel VHF Dual Wireless Microphone System Www americanmusical com Table of Contents Cautions and Warnings Welcome Listening for a Lifetime Before Getting Started Features and Specifications Rear and Front Panel Descriptions Microphone Basics and VHF 3005 Stage Monitor P A Loudspeakers Microphone Descriptions Functions Placement and Tone Quality Getting Connected Tips for Achieving Optimum Performance Troubleshooting WLLL ST La 1 TM THE SINGERS ULTIMATE CHOICE Www americanmusical com Safety Instructions TAN RISK OF SHOCK CAUTION To reduce the risk of electric shock do not remove cover or back No user serviceable parts inside Only refer servicing to qualified service personnel Explanation of Graphical Symbols The lightning flas
7. ceiver s AC power connection Make sure antennas are in the microphones line of sight If necessary reduce the distance between the microphones and receiver Turn up the receiver s VOLUME level controls Check for proper connection between receiver and external amplifier mixer Talk into the microphone and observe the receiver s RF signal LEDs If they glow the problem is elsewhere in the sound system Check microphone batteries and replace if power is low Remove local sources of RF interference such as lighting equipment Two transmitters may be operating too close together or on the same frequency If so turn one off Signal may be too weak If so reposition antennas If possible move them closer to the transmitter Remove local sources of RF interference such as lighting equipment Reposition the receiver or antennas Reposition receiver and perform a walkthrough test and observe the signal strengths If audio dropouts persist mark these dead spots in the performing area and avoid them during the performance Www americanmusical com V a ae ham 17 TM THE SINGER S ULTIMATE CHOICE Vocopro 2007 V 1 0 WWW VOCOPRO COM
8. ent conventional circuits may open unexpectedly sending loud bursts of noise through the receiver when the transmitter s signal is weak or turned off The VHF 3005 uses a noise squelch circuit that analyzes signal quality with the signal strength When the transmitter signal is strong the system s noise level is low and the receiver sends the audio through When the transmitter signal is weak or absent the system s noise level is high and the squelch circuit will mute the receiver This virtually eliminates the possibility of annoying bursts of noise coming through your receiver Microphone Placement amp Tone Quality Lead amp Backup Vocals Lips should be less than 3 from or even touching the windscreen on an axis to the microphone Doing this creates a robust sound emphasizes bass and provides maximum isolation from other sources Speech When giving a speech or simply speaking place the microphone 4 to 10 away from the mouth just above nose height for a natural sound with reduced bass You can also place the microphone 8 to 16 away from the mouth slightly off to one side for more distant sound with highly reduced wa bass and minimal s sounds Www americanmusical com Getting Connected To get your system up and running in just a few minutes follow the simple instructions on this page Receiver Connections 1 Connect the AC power adapter to the receiver power connector then plug it in
9. ericanmusical com e Dual Antenna Receiver Design e Squelch Circuitry Eliminates Background and RF Noise Bursts e VHF Band 180 MHz 270 MHz Quartz Lock for Drift free Operation e Audio Mute Circuitry Provides Noiseless On Off Switching e Dual Front Panel Volume Controls e Two 1 4 Outputs for a Separate or Mixed Signal Output e Excellent Operating Range to 150 Ft e Low Battery Indicators e Dual Front Panel RF Indicator LED s 2727 TILT VHF 3005 VHF DUAL WIRELESS MICROPHONE SYSTEM VOLUME VOLUME Specifications Receiver Microphone Power Supply AC 110V 50 Hz Microphone Power 13 dBm Power Consumption 1W Modulation Type FM F3F S N Ratio gt 90 dB Maximum Deviation 30 kHz Image amp Spurious Rejection gt 80 dB Spurious Emission gt 60 dB with carrier Border Upon Channel Rejection gt 80 dB Battery Voltage 9V Battery Receiver Sensitivity gt 12 dBu S N 20dB Continual Use Rating 8 Hours Noise Control Auto Mute Circuitry Technical Data Carrier Frequency VHF 220 270 MHz Frequency Stabilization lt 30 PPM Dynamic Range gt 90 dB Total Harmonic Distortion lt 0 5 Frequency Response 40 Hz 18 kHz Audio Output Level 0 400mV mixed output 0 200mV separate output Temperature Range 10 50 C Sensitivity Range 164 Radius Www americanmusical com Front and Rear Panel Descriptions POWER BUTTON Turns the VHF 3005 ON OFF POWER ON LED Glows RED when the receiver is powe
10. h amp arrowhead symbol within an equilateral triangle is intended to alert you to the presence of danger The exclamation point within an equilateral triangle is intended to alert you to the presence of important operating and servicing instructions WARNING To reduce the risk of fire or electric shock do not expose this unit to rain or moisture 1 Read Instructions All the safety and operating instructions should be read before the appliance is operated 2 Retain Instructions The safety and operating instructions should be retained for future reference 3 Heed Warnings All warnings on the appliance and in the operating instructions should be adhered to 4 Follow Instructions All operating and use instructions should be followed 5 Attachments Do not use attachments not recommended by the product manufacturer as they may cause hazards 6 Water and Moisture Do not use this unit near water For example near a bathtub or in a wet basement and the like 7 Carts and Stands The appliance should be used only with a cart or stand that is recommended by the manufacturer 7 A An appliance and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause an overturn 8 Ventilation The appliance should be situated so its location does not interfere with its proper ventilation For example the appliance should not be situated on a bed sofa rug or similar s
11. near computers or other RF generating equipment e Avoid placing the receiver in the bottom of an equipment rack e Extend telescopic antennas completely and as far apart from each other as possible e f multiple wireless systems are used maintain a distance of at least 3 meters 10 ft between the transmitter and the closets receiving antenna e Keep the distance between the microphones and the receiver antennas short e Locate the microphone 1 to 1 1 2 from the mouth or as close as practical to the desired sound source e Work close to the microphone for extra bass response e Use only one microphone per person or sound source e Place microphones far from sound reflecting surfaces e Add a windscreen when using the microphone outdoors for close up speech or vocals e Avoid excessive handling to minimize mechanical noise Www americanmusical com Troubleshooting PROBLEMS No sound receiver RF light s and AUDIO lights not glowing No receiver sound RF and Audio Level meter lights glowing Received signal is noisy or contains extraneous sounds with transmitter on Noise coming from the receiver with the microphones turned OFF Momentary loss of sound as transmitter is moved around performing area SOLUTIONS Make sure POWER switches on transmitter and receiver are set to the ON position Check microphone batteries to ensure that they are providing power Replace battery if necessary Check re
12. or Objects have fallen into the appliance or The appliance has been exposed to rain or The appliance does not appear to operate normally or exhibits a marked change in performance or The appliance has been dropped or the enclosure damaged 18 Servicing The user should not attempt to service the appliance beyond that described in the operating instructions All other servicing should be referred to qualified service personnel Note To CATV system installer s U S A This reminder is provided to call the CATV system installer s attention to Article 820 40 of the NEC that provides guidelines for proper grounding and in particular specifies that the cable ground shall be connected as close to the point of cable entry as practical Www americanmusical com FCC Information U S A 1 IMPORTANT NOTICE DO NOT MODIFY THIS UNIT This product when installed as indicated in the instructions contained in this manual meets FCC requirements Modifications not expressly approved by Vocopro may void your authority granted by the FCC to use this product 2 IMPORTANT When connecting this product to accessories and or another product use only high quality shielded cables Cable s supplied with this product MUST be used Follow all installation instructions Failure to follow instructions could void your FCC authorization to use this product in the U S A 3 NOTE This product has been tested and found to comply
13. r Karaoke news and events chat rooms club directories and evena Service directory We look forward to hearing you sound like a PRO with VocoPro your ultimate choice in Karaoke entertainment FOR YOUR RECORDS Please record the model number and serial number below for easy reference in case of loss or theft These numbers are located on the rear panel of the unit Space is also provided for other relevant information Model Number Serial Number Date of Purchase Place of Purchase Www americanmusical com Listening For a Lifetime Selecting fine audio equipment such as the unit you ve just purchased is only the start of your musical enjoyment Now it s time to consider how you can maximize the fun and excitement your equipment offers VocoPro and the Electronic Industries Association s 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 e Start your volume control at a low setting e Slowly increase the sound until you can hea
14. r it comfortably and clearly and without distortion Once you have established a comfortable sound level e Set the dial and leave it there e 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 Association s 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 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 Example 90 Subway Motorcycle Truck traffic Lawn Mower 100 Garbage truck Chainsaw Pneumatics drill 120 Rock band concert in front of speakers 140 Gunshot blast Jet plane 180 Rocket launching pad Information courtesy of the Deafness Research Foundation Www americanmusical com Before Getting Started Things to Consider It is very important to
15. r pull the cord itself 10 To prevent lightning damage pull out the power cord and remove the antenna cable during an electrical storm 11 The general digital signals may interfere with other equipment such as tuners or receivers Move the system farther away from such equipment if interference is observed NOTE Please check the copyright laws in your country before recording from records compact discs radio etc Recording of copyrighted material may infringe copyright laws Voltage Selector General Model Only Be sure to position the voltage selector to match the voltage of your local power lines before installing the unit 110V Www americanmusical com Caution Read this before operating your unit CAUTION The apparatus is not disconnected from the AC power source so long as it is connected to the wall outlet even if the apparatus itself is turned off To fully insure that the apparatus is indeed fully void of residual power leave unit disconnected from the AC outlet for at least fifteen seconds To ensure the finest performance please read this manual carefully Keep it in a safe place for future references 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 prevent fire or electrical shock do not expose to rain or water Do not operate the unit upside down Never open the
16. red ON RF SIGNAL LED Light GREEN when RF signals are received by antenna A or B VOLUME CONTROLS Adjusts the OUTPUT volume or the receiver s mic channel TELESCOPING ANTENNA S Receives the SIGNALS sent from the microphone OUT A amp B These are 1 4 PHONE jacks providing mic level signals for connection to amplifiers or mixing consoles POWER INPUT Accepts POWER from supplied AC adapter VHF DUAL WIRELESS MICROPHONE SYSTEM VOLUME VOLUME Receiver Volume Adjustment The volume controls on the front panel of the VHF 3005 receiver can be adjusted to set the wire less system output levels as you desire After making any musical balancing adjustments adjust the receiver volume control until the output reaches the desired level Rotate the volume control clockwise to increase output Rotate it counter clockwise to decrease output onnect One Cable For Mixed Output KOWA Connect Two Cables For Separate Outputs CAUTION RISK OF ELECTRIC SHOCK MICROPHONE OUTPUT DO NOT OPEN Www americanmusical com VHF 3005 amp Stage Monitor P A Loudspeakers If you will be using the VHF 3005 with stage monitor and or P A system try the following e Place the stage monitor directly behind the microphone e Locate the P A loudspeakers so that they point away from the rear of the microphone With the speakers located in these positions the possibility of feedback is greatly reduced e Always check the stage setup before
17. to an AC electrical outlet 2 Connect the receiver to a sound system with either one 1 4 output jack for a mixed channel output or both 1 4 output jacks for separate channel outputs External mic adjustments can not be applied to just one mic channel Uses only 1 mic input on an Mixes channel Output external Mixer Amplifier External mic adjustments can Separate Channel Output be applied to one or both mic channels Uses 2 mic inputs on an external Mixer Amplifier Microphone Battery Installation 1 Unscrew the microphone battery compartment caps and insert fresh 9 volt alkaline batteries Be sure to observe proper battery polarity Tighten the battery compartment lid battery compartment Operating the System 1 Press the receiver POWER switch The RED power LED on the receiver will glow 2 Switch the microphone s power button to ON 3 Talk or sing into the microphones During normal operation the RF signal LED s will light GREEN when a microphone is being used 4 Adjust the receiver LEVEL controls until the output levels are compatible with the mixer amplifier input In most cases this control should be set fully clockwise Www americanmusical com Tips for Achieving Optimum Performance e Maintain a line of sight between the microphone and receiver antennas if possible e Avoid placing transmitter and receiver where metal or other dense materials may be present e Avoid placing the receiver
18. urface that may block the ventilation slots 9 Heat The appliance should be situated away from heat sources such as radiators heat registers stoves or other appliances including 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 Grounding or Polarization Precautions should be taken so that the grounding or polarization means of an appliance is not defeated 12 Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at plugs convenience receptacles and the point where they exit from the appliance 13 Cleaning Unplug this unit from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use a damp cloth for cleaning 14 Power lines An outdoor antenna should be located away from power lines 15 Nonuse Periods The power cord of the appliance should be unplugged from the outlet when left unused for a long period of time 16 Object and Liquid Entry Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings 17 Damage Requiring Service The appliance should be serviced by qualified service personnel when The power supply cord or plug has been damaged
19. y can fall and cause injury to yourself and others Note Please check the copyright laws in your country before recording from records compact discs radio etc Recording of copyright material may infringe copyright laws Www americanmusical com ULTIMATE CHOICE OF KARAOKE ENTERTAINMENT Welcome Thank you for purchasing the VHF 3005 from VocoPro your ultimate choice in Karaoke entertainment With years of experience in the music entertainment business VocoPro is a leading manufacturer of Karaoke equipment and has been providing patrons of bars churches schools clubs and individual consumers the opportunity to sound like a star with full scale club models in home systems and mobile units All our products offer solid performance and sound reliability and to further strengthen our commitment to customer satisfaction we have customer service and technical support professionals ready to assist you with your needs We have provided some contact information for you below VocoPro 1728 Curtiss Court La Verne CA 91750 Toll Free 800 678 5348 TEL 909 593 8893 FAX 909 593 8890 VocoPro Company E mail Directory Customer Service amp General Information info vocopro com Tech Support techsupport vocopro com Remember Our Website Be sure to visit the VocoPro website www vocopro com for the latest information on new products packages and promo s And while you re there don t forget to check out our Club VocoPro fo
20. y open active microphones boosting tone controls indiscriminately mainly treble and performing in areas with high rations of room surfaces that have hard and reflective surfaces such as glass marble and wood What to do if feedback occurs before the sound system is loud enough e Request that the talker speak louder into the microphone e Reduce the distance from the talker to the microphone Each time this distance is halved the sound system output will increase by 6dB e Reduce the number of open microphones Each time this number is halved the sound system output can be increased by 3dB e Move the loudspeaker farther away from the microphone Each time this distance is doubled the sound system output can be increased by 6dB e Move the loudspeaker closer to the listener Each time this distance is halved the sound system output will increase by 6dB e z Use an equalizer feedback reducer to cut the frequency bands in which the feedback occurs The sound system output will typically increase 3 to 9dB Www americanmusical com Microphone Descriptions and Functions 1 GRILL Protects the microphone cartridge and helps reduce breath sounds and wind noise 2 POWER BUTTON Used to turn the microphone ON OFF or put it in STANDBY mode 3 BATTERY COVER Removable cup hides and protects the microphone battery Auto Noise Squelch Feature Squelch circuits analyze RF signal strength When a wireless system is used in a noisy RF environm
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