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VocoPro DA2277 - page 1
Digital Key Control Mixer with Dual Rechar geable W ireless Micr ophone System DA-2277 DA-2277 FEA TURES: • Wireless Receiver Base Charges Wireless Microphones and Also Serves as a Microphone Docking Station • 1 1-Step Digital Key Controller • Professional Digital Echo with Repeat and Delay Controls • V ocal Cancel and V ocal Partner Featur ...
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VocoPro DA2277 - page 2
DA-2277 Cautions and W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Welcome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Listening for a Lifetime . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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VocoPro DA2277 - page 3
1 Safety Instructions CAUTION RISK OF SHOCK CAUTION: T o reduce the risk of electric shock, do not remove cover (or back). No user- serviceable parts inside. Only refer servicing to qualified service personnel. W ARNING T o reduce the risk of fire or electric shock, do not expose this unit to rain or moisture. Explanation of Graphical Symbols The l ...
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VocoPro DA2277 - page 4
2 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. T o fully insure that the apparatus is indeed fully void if residual power , leave unit disconnected from the AC outlet for at least fifteen seconds. 1. T o ensure the finest performance, pl ...
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VocoPro DA2277 - page 5
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VocoPro DA2277 - page 6
4 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. V ocoPro and the Electronic Industries Association’s Consumer Electronics Group want you to get the most out ...
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VocoPro DA2277 - page 7
5 The DA-2277 Features Specifications Inputs Sensitivity: MICS 3,4 (Wired) STEREO AUDIO INPUT Outputs: AUDIO OUT 1 AUDIO OUT 2 AUDIO OUT 3 MIC OUTPUT MAXIMUM OUTPUT T one Controls: TREBLE (10KHz) BASS (100Hz) Signal to Noise Ratio: MIC STEREO T otal Harmonic Distortion: Frequency Response: Echo: Key: Dimensions: Net Weight: Power Consumption: 1.5mV ...
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VocoPro DA2277 - page 8
6 Before Getting Started: Things to Consider It is very important to 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 • Connect all external components before you plug any of their power cords into the wal ...
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VocoPro DA2277 - page 9
Microphone Basics 7 W ireless Micr ophones - The Basics • Every wireless microphone system must operate on a specific frequency range. • The government dictates the frequency ranges available for use with consumer wireless devices. • Wireless frequencies are shared with TV stations, communications equipment and a large number of wireless ...
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VocoPro DA2277 - page 10
Microphone Basics 8 A voiding Feedback Acoustic feedback can be a problem in any sound system. Audio systems that include wireless microphones are somewhat more prone to feedback than those using only wired microphones, simply because the freedom of movement with wireless makes it more likely that the user will walk in front of the speakers. T ake ...
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VocoPro DA2277 - page 11
9 Front Panel Descriptions and Controls 1. POWER button – This button turns the DA-2277’s power ON/OFF . 2. DOWN, NORMAL AND UP buttons – These buttons adjusts how the DIGIT AL KEY CONTROLLER transposes the musical key of your source music. The DOWN button lowers the MUSICAL KEY a half step each time it is pressed. The NORMAL k ...
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VocoPro DA2277 - page 12
10 DIGITAL KEY CONTROLLER Digital Key Control Mixer with/Dual Rechargeable Wir eless Mic System POWER Down Vocal Partner Vocal Cancel A/V Source Normal Up Music 0 0 0 0 5 10 10 0 -15 +15 0 -15 +15 0 10 0 10 9 Mic 4 Input Mic 3 Input Remote Key Control Delay Mic Master Volume Repeat Bass Treble Digital Echo Mic 4 Mic 3 Mic 1 (wireless) Mic 2 (wirele ...
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VocoPro DA2277 - page 13
1 1 Rear Panel Descriptions and Controls 1. ANTENNA 1 jack – Connect a RECEIVER ANTENNA to this jack before attempting to use this device. Ensure the ANTENNA is fully extended for optimal signal reception. 2. MIC OUT jack (1/4") – This jack provides an AUDIO OUT connection of MICROPHONE OUTPUT only for vocal specific applica ...
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VocoPro DA2277 - page 14
12 Microphone Descriptions and Functions 1. POWER LED indicator – This LED lights up when the microphone is turned on and in use. 2. POWER switch – This switch turns the microphone ON/OFF . 3. CHARGE LED indicator – This LED lights up when the microphone is being charged. 4. BA TTER Y compartment – This is where you insert the microphone ba ...
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VocoPro DA2277 - page 15
Replacing/Recharging the Microphone Batteries 13 Replacing Microphone Batteries • Unscrew the BA TTERY COMP ARTMENT cap by twisting it counter-clockwise. • Insert 2 new RECHARGEABLE AA batteries into the BA TTERY COMP ARTMENT with the polarities matched as shown in the diagram located in the compartment. • Replace and retighten the BA TTE ...
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VocoPro DA2277 - page 16
Getting Connected 14 Connecting A/V Source Players to the DA-2277 For each A/V source player , you will need an A/V patch cable (red, white and yellow plugs). • Connect one set of red and white plugs to the AUDIO OUT jacks on your source player and the yellow plug to the VIDEO OUT jack on your source player . • Connect the other set of red ...
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VocoPro DA2277 - page 17
Getting Connected Connecting Video to Display Devices • For each VIDEO OUT connection, connect a single RCA patch cable from the VIDEO IN jack on your display device to the VIDEO OUT (1 or 2) jack on the DA-2277. • If the TV does not have a VIDEO INPUT jack you may connect that end of the cable to the VIDEO INPUT of a VCR and connect th ...
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VocoPro DA2277 - page 18
16 Understanding and A voiding VHF Interference Recognizing Interference The ways of recognizing the type of interference present are observing the receiver LED indications and carefully listening to the audio. A set of headphones can be a useful tool in isolating and analyzing interference problems. With headphones it is easier to listen to one wi ...
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VocoPro DA2277 - page 19
17 Understanding and A voiding VHF Interference A voiding Basic Problems Sometimes interference problems have very basic causes. T o avoid wasting time on an easily correctable problem, check the following items before proceeding: • Make certain than no radio transmitters are allowed to come closer than approximately 10 to 15 feet of the wire ...
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VocoPro DA2277 - page 20
18 Understanding and A voiding VHF Interference Frequency Conflicts There are two primary ways that other wireless systems and TV channels cause interference. The first is a direct frequency conflict. If two wireless systems are on the same frequency , usually neither system will be usable unless the other is turned off. This problem is more common ...
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VocoPro DA2277 - page 21
19 T roubleshooting PROBLEMS SOLUTIONS CAUSE Battery is running low even when just charged. No sound output. Excessive noise in microphone output. No music output. No echo is being applied to the vocals The microphone is not recharging because it is not placed in the recharging terminal correctly . Battery is not fully recharged after 8 hours of re ...
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VocoPro DA2277 - page 22
20 Glossary of T erms Digital Echo - Digital echo is a synthetically processed sound effect that mimics natural echo. Echo in general is the "bouncing" of waves back and forth between 2 surfaces. This ef fect gives a spacious or ambient feeling that works great with vocals. Repeat - Repeat is facet of the echo process. Repeat refers to th ...
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VocoPro DA2277 - page 23
21 Glossary of T erms A/V - A/V is an abbreviation for Audio/Visual. Y -Adapter - Any type of connection that splits a signal into two parts. An example would be a connector with one male RCA jack on one end, and two female RCA jacks on the other end. Woofer - A speaker , (driver), used for low-frequency reproduction. Usually larger and heavier tha ...
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VocoPro DA2277 - page 24
22 Recommended V ocoPro Gear Professional CD/CD+ Graphic Player • Pro CD Player W/ CD + Graphics Decoder • Pitch Control T o 12% (+) Or (-) • Scramble protection during pitch changes • Single T rack Mode • Frame Search W/ Jog Dial • 4-Speed Fast Forward/Rewind Shuttle. • Pitch Slider , Pitch Bend and Jog Dial • BPM (Beat Per Minute) ...
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VocoPro DA2277 - page 25
23 Recommended V ocoPro Gear 2 Space 600W Professional Power Amplifier • 300W + 300W RMS • 600W + 600W Max • THD: 0.05% • Frequency Response: 20HZ-20KHZ Signal to Noise • 1/4" or XLR Inputs • Input Ratio: Less than 100DB • Input Sensitivity: 1.23V • Dimension: W x D x H (19” x 13” x 1.5”) • Shipping Weight: 47 Lbs VP-60 ...
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VocoPro DA2277 - page 26
24 Recommended V ocoPro Gear Professional 8" 3 W ay V ocal Speakers • 3 W ay 8" Karaoke V ocal Speakers (Sold in Pair) • Design for Karaoke Studio or Singers Monitor • Power Rating: 180 W atts Peak / 90 W atts RMS • Metal Grill • Impedance: 8 OHM • Sensitivity: 92 DB • Frequency Response: 20HZ-20KHZ • Dimensions H x W x D: ...
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