User's Manual
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
2
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
11
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