Enping Ding Li Acoustics Technological Co. Ltd. UH3 Manuel D’Utilisation

CONTENTS ...........................................................................................2

INTRODUCTION ....................................................................................2

USING THIS MANUAL............................................................................2

SYSTEM FEATURES ................................................................................3

UHF-3 RECEIVER ....................................................................................4

UH-3 HANDHELD MICROPHONE TRANSMITTER ......................................7

UB-3 BODYPACK MICROPHONE TRANSMITTER ......................................8

SPECIFICATIONS .................................................................................11

SERVICE ................................................................................. Back Cover

CONTENTS

Thank you for purchasing a Nady UHF-3 Diversity Wireless Microphone System and
congratulations on your choice. The UHF-3 is loaded with top professional operating
features and is the best performance and price value available in UHF diversity
wireless systems.

INTRODUCTION

This booklet gives instructions for the operation of the UHF-3 wireless, including
handheld, instrument, lavalier, headmic and plug-in transmitter systems. Please read
the instructions for your system completely before operating unit.

This manual will first list the features of the UHF-3 and then will take you step by step
to show you how to operate your new system. After reading the receiver instructions,
turn to the section of the booklet that covers the type of transmitter used with your new
system. Each section will give you detailed operating instructions. Also included in this
manual are system specifications and servicing information.

USING THIS MANUAL

UHF-3 OVERALL SYSTEM PERFORMANCE

Frequency Response

30 Hz - 15 KHz, +/– 3 dB

Dynamic Range

120 dB

Total Harmonic Distortion

< 0.6%

RF Carrier Frequency Range

UHF, choice of single frequencies from 470-500 MHz

Frequency Stability

+/- 0.005%, crystal controlled

Modulation

FM (F3E), +/-20KHz normal

Operating Range

Up to 250 ft. typical (depending on site conditions); up to
500+ feet optimum line-of-sight

RECEIVER

Reception Mode

DigiTRU Diversity™ (Dual Antenna)

Squelch

External Control, Tone Key (30.720 KHz)

Controls

Power ON/OFF, Volume Control, Squelch (Mute) Adjust

Connectors

DC in, 1/4”(6.3 mm) unbalanced phone jack (360 mV/
4.7K Ohm), XLR balanced output (60 mV/600 Ohm)

LED Indicators

Power ON, Diversity A/B, Audio Peak

Unwanted Signal Rejection

60dB image and spurious

Power Requirements

DC 12-15V @ 300 mA, AC/DC adapter included

Dimensions (Max.)

1.75" x 7.5" x 8.1" (4.4 x 19 x 20.7 cm)

Weight

1.6 lbs (.73 kg)

Antenna

11.2" (28.5 cm), dual telescopic

TRANSMITTERS

Audio Inputs

UB-3 Bodypack:

3.5mm locking mini-jack, 3-way select

switch for inputs: instrument, headworn mic,
or lavalier mic
UH-3 Handheld:

Integral Nady DM-10D neodymium

dynamic cartridge

Controls

UB-3:

POWER/MUTE ON/OFF, INSTRUMENT/

HEADWORN MIC/LAV MIC, INPUT LEVEL
UH-3:

POWER/MUTE ON/OFF

LED Indicator

UB-3:

Bicolor, Unit “ON” (green), Low Battery

Alert (orange)
UH-3:

Unit “ON” (single flash), Low Battery Alert (steady)

RF Power Out

50mW nominal (maximum allowed by FCC)

Harmonic & Spurious Emissions

< –50 dB

Battery

UH-3:

AA Alkaline (2x) UB-3: AAA Alkaline (3x)

Battery Life

UH-3:

8-10 Hours (150mA draw typical) UH-3: 4-5 Hours

Dimensions

UB-3 Bodypack:

3.25” x 2.187”x 1”

(8.25 cm x 5.53 cm x 2.54 cm)
UH-3 Handheld:

2”x 9”

(5.08 cm x 22.86 cm)

Weight

UB-3 Bodypack:

35.36 oz (2.21 lbs) without battery

UH-3 Handheld:

166.4 oz (10.4 lbs) without battery

SPECIFICATIONS