VocoPro VHF-3300 User Manual

Features:

Dual-Antenna Receiver design doubles as a Mic Charger/Holder
Squelch Circuitry Eliminates Background and RF Noise Bursts
VHF band Quartz Lock for drift-free operation
Auto-mute circuitry provides noiseless ON/OFF switching
Individual front panel Volume controls for precise vocal level mixing
Dual 1/4” unbalanced outputs for separate and mixed signal output
Excellent operating range up to 150 feet.
Dual front panel RF LED indicators
19” rackmountable to occupy a single rack space with included mounting brackets
Built-in charger on top of reciever both rechargers mic batteries and secures mics when not
in use

ON

OFF

POWER CH. A

WIRELESS VHF DUAL CHANNEL

RF RF

RECHARGEABLE MIC SYSTEM

VOLUME VOLUME

VHF-3300

CH. B

VHF-3300

Dual Channel Rechargeable Wireless Microphone System

owner's manual

Safety Instructions

CAUTION

RISK OF SHOCK

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 surface that may block the
ventilation slots.

CAUTION: To reduce the risk of electric shock,
do not remove cover (or back). No user­serviceable parts inside. Only refer servicing to
qualified service personnel.

Explanation of Graphical Symbols

The lightning flash & 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.

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:

A. The power supply cord or plug has been damaged; or
B. Objects have fallen into the appliance; or
C. The appliance has been exposed to rain; or
D. The appliance does not appear to operate normally
or exhibits a marked change in performance; or
E. 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.

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Welcome...

And Thank you for purchasing the VHF-3300 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: [phone]
FAX: [phone]

VocoPro Company Email Directory

Customer Service & General Information

[e-mail]

Tech Support

[e-mail]

Remember Our Website
Be sure to visit the VocoPro website www.vocopro.com for the latest information on
new products, packages and promos. And while you're there don't forget to check out
our Club VocoPro for Karaoke news and events, chat rooms, club directories and even
a KJ 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

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VHF-3300

Dual Channel Wireless Microphone System

Contents

Introduction

 Safety Instructions.............................. 1

 Welcome………………………………. 2

Specifications..................................... 3

 Listening For a Lifetime……………… 4

Getting Connected

 Connecting the VHF-3300................. 5

 Microphone Battery Installation.......... 5

Charging Batteries.............................. 5

Descriptions and Controls

 Front Panel ........................................ 6

Rear Panel......................................... 6

Microphone......................................... 7

Microphone Basics

 The Proximity Effect …………............. 7

Feedback............................................. 8

Placement and Tone Quality............... 8

Stage Monitors/P.A. Loudspeakers..... 8

Operations

 Operating the System..………............. 9

Achieving Optimum Performance........ 9

Auto-Noise Squelch Feature............... 9

Reciever Volume Adjustment.............. 9

Specifications

ELEMENT:

PRESSURE GRADIENT TRANSDUCER

POLAR PATTERN:

UNI-DIRECTIONAL

FREQUENCY:

20HZ~20KHZ

SENSITIVITY:

-33dB±2dB(0dB=1V/PA AT 1KHZ)

OUTPUT IMPEDANCE:

200 ±30%(AT 1KHZ)

LOAD IMPEDANCE:

>

1000

SELF NOISE:

16dB A

Troubleshooting

 Problems and Solutions..……............. 10

MAX INPUT S.P.L:

135dB(AT 1KHZ 1% THD)

S/N RATIO:

78dB

OPERATING VOLTAGE:

DC 48V PHANTOM(±5V)

>

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