Audiowireless AWDR-1 Manual de usuario

User Manual

v1.0

AWDR-1 User Manual V1.0 i i

User Manual

Contents:

Foreword..........................................................................................................1

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

Product Contents.............................................................................................1

General Description.........................................................................................2

True Diversity...................................................................................................3

Product Overview.............................................................................................4

Audio Output Sockets...................................................................................4

Headphone Monitoring Socket.....................................................................4

The LED Indicators.......................................................................................5

RSSI Active ‘A’ and Active ‘B’ (Tri-colour LED).........................................5

Receiver Battery Status (Tri-colour LED)..................................................5

Transmitter Battery Status........................................................................5

Antenna Input Socket A & B.........................................................................5

Push Button Controls ...................................................................................6

Frequency Label...........................................................................................7

Battery Compartment ...................................................................................7

LCD Display .................................................................................................8

Using the AWDR-1.........................................................................................11

Tuning the Receiver...................................................................................11

Tuning By Frequency..............................................................................11

Saving Custom Frequencies...................................................................11

Tuning By UHF TV Channel and Sub-Channel.......................................12

Unit Name ..................................................................................................13

Display settings..........................................................................................13

SCAN.........................................................................................................13

AUDIO........................................................................................................13

Phase.........................................................................................................14

Headphone Volume....................................................................................14

Mute Level / Squelch: “MUTELV” ...............................................................14

Unit Information: “INFO” .............................................................................14

Pilot Tone...................................................................................................15

Power Settings (On-Mode).........................................................................15

Resetting Preferences................................................................................15

Locking and Unlocking the Unit..................................................................16

Further Technical Information........................................................................17

Antenna Data for Flexible Wire Antennae ..................................................17

Model Variants and Switching Bands:........................................................18

Audio Connector Details.............................................................................19

Cable End Connectors...............................................................................19

Standard Receiver Cables Details..............................................................20

Technical Specifications ................................................................................23

RF Transmission System ...........................................................................23

Audio Performance.....................................................................................23

Received Signal Strength Indicators (RSSI)...............................................23

Battery Status Indicator..............................................................................23

AWDR-1

AWDR-1 User Manual V1.0 ii ii

TX Low Battery Indicator............................................................................24

Headphone Monitoring Output ...................................................................24

Powering ....................................................................................................24

Connectors.................................................................................................24

Dimensions.................................................................................................24

Accessories................................................................................................24

AWDR-1 User Manual V1.0 1 1

Foreword

Thank you for choosing Audio Wireless

We aim to offer the best quality products alongside a quick and reliable service

for all our customers. Please take some time to read our instruction manual to

ensure you get the most out of our equipment.

Safety Instructions

Please read these instructions carefully before using the unit to avoid

injury and damage to your AWDR-1 unit.

Always include these instructions when passing the unit on to third

parties

Never open the electrical units; if the units are opened then the warranty

becomes null and void.

Protect the unit from damp and wet conditions, as water entering inside

can cause damage to the unit.

Use only a slightly damp cloth to clean the unit. Do not use any cleansing

agents or solvents.

Product Contents

1 AWDR-1 Diversity Receiver

2 Antenna

1 Quick Start Guide

1 Carrying Case

AWDR-1 User Manual V1.0 2 2

General Description

The AWDR-1 Diversity Receiver offers the greatest flexibility and sound quality

for crews, operators and sound recordists, whether working internationally or

simply under challenging RF conditions.

Its sophisticated structure comes in a lightweight yet rugged, CNC machined

aluminium case, designed for extra strength and durability as well as the ability

to withstand the heavy demands of location use.

The unit requires two AA batteries which fit into its unique battery compartment

designed for fast and easy battery replacement by an easy-twist compartment

cover, with a reassuring click-stop mechanism. Alternatively it can be externally

powered from any 10-18V source.

Product Features:

Switching bandwidth up to 120MHz

Tunable in 25kHz steps

Digitally switchable RF front-end

Top-level flexibility for international working

Compact design, tough, lightweight aluminum case

2 x AA alkaline batteries provide approximately 5 hours of operating time

or using lithium batteries even longer

Easy-twist battery compartment cover, with click-stop reassurance

External powering capable with adaptor leads

Balanced user adjustable audio output

Audio output level from +6dBV to -42dBV

Headphone - Stereo/mono mini-jack with monitor-volume control

Easy operation by backlit LCD with programmable functions

Continuous Rx and Tx low battery status indicators

RF, Pilot-tone and noise operated mute

Reliable, professional-grade connectors

Please Note:

To ensure best performance it is recommended to only use the AWT-1

transmitter series with the AWDR-1 diversity receiver series.

AWDR-1 User Manual V1.0 3 3

True Diversity

The Audio Wireless diversity receiver systems give a dramatic improvement to

signal dropout problems found in dead spots when compared to other simple

standard or antenna switching receivers. This is because the true diversity

receiver makes use of two RF signals, and when one antenna is receiving a

weak signal, the other antenna will be receiving a stronger signal, offering

greater reliable coverage.

The problem of signal dropout is usually caused where the direct and reflected

signals happen to interfere and cancel each other out at the antenna. Within the

Audio Wireless diversity receiver the combining circuitry automatically discards

the output from the receiving sections of weaker RF signal before it can degrade

the audio output. Should the signal strengths be similar the audio outputs are

combined to improve the signal to noise ratio. This audio mixing gives a 3dB

improvement over conventional switched diversity receivers and results in a

greater operating range.

By fully processing(demodulating) both signals and not simply switching at the

Antenna level a robust and reliable AF signal can be transmitted with no audible

dropouts and the best signal to noise ratio can be maintained over a large

reliable operating area.

Furthermore the same result could not be achieved by just connecting two

antennas in parallel, either directly or through simple amplifiers. The relative

phase of the signals from the two antennas would change as the transmitter was

moved and cancellation effects would occur at the summing point.

Receiving

Module

RXA

Antenna

Comparator

AF Signal

Selector

Signal

Strength

Output

Receiving

Module

RXB

Antenna

Signal

Strength

Output

AWDR-1 User Manual V1.0 4 4

Product Overview

Audio Output Sockets

There are two types of Audio Output connectors are available:

Large 6-Pin LEMO™connector (pictured above)

Multi-way 4-pin connector HR4

Both connectors provide balanced audio output and external dc input

connections to the receiver. The balanced audio output level is user adjustable

from +6dBV to -42dBV to suit varying device input requirements. External

powering may be done by using dedicated RCP cables.

Headphone Monitoring Socket

The AWDR-1 has a unique headphone design that auto detects Stereo or Mono

Jacks when inserted into the 3.5mm socket and does not cause an electrical

short or any loss of audio level. The Headphone is user adjustable to suit

headphones impedances as low as 16.

TOP VIEW

Audio Output

Socket

(Model Specific)

Antenna

Socket A

Headphone

Monitoring Socket

RSSI for RXA

Receiver Battery

Indicator

RSSI for RXB

Transmitter Battery

Indicator

Antenna

Socket B

Please Note:

Ensure that P48 is turned off on a mixer/camera before connecting it to

the AWDR-1.

Please Note:

Make sure that the Headphone Amplifier is OFF (00) when not used.

High levels of volume can damage your hearing, always set the Monitoring level

low before connecting headphones and then adjust as required.

AWDR-1 User Manual V1.0 5 5

The LED Indicators

RSSI Active ‘A’ and Active ‘B’ (Tri-colour LED)

A tri-colour LED above each antenna socket continuously display the Received

Signal Strength Indicators (RSSI) and shows which half of the Diversity

Receiver is Active.

Receiver Battery Status (Tri-colour LED)

A tri-colour LED continuously displays the internal/external battery status.

Transmitter Battery Status

Transmitter low battery-warning Red-LED lights up/flashes when the supply

voltage of the corresponding TX has fallen to below ~1.0 Volt.

The Low Battery Warning period depends upon the type of battery used.

Antenna Input Socket A & B

The miniature 50SMA coaxial sockets are used as the antenna input

connectors, the detachable matching antennas are fitted by a simple screw-on

action.

AWDR-1 User Manual V1.0 6 6

Push Button Controls

All user adjustments to the AWDR-1 are made via three push buttons. Primarily

use the UP and DOWN to scroll through menu’s and the SET-PWR to select

choices. Alternatively at any time the SET-PWR button can be held down to turn

the receiver OFF (and back ON) and by holding both the UP and DOWN buttons

the receiver can be LOCKED.

FRONT VIEW

Antenna Socket

Audio Output Socket

Frequency Label

(Model Specific)

Multi-function

LCD Display

Push Button

Controls

Battery Compartment

Antenna Socket

AWDR-1 User Manual V1.0 7 7

Frequency Label

Indicates the tuning range of the receiver, where it is possible to tune to

frequencies within this range in steps of 25 kHz. Alternatively the user may tune

the Receiver to standard UHF TV channels with pre-coordinated sub channels.

Battery Compartment

The AWDR-1's AA batteries are held in place by a captive, easy-twist

compartment cover, with a click-stop mechanism for quick, reliable changes

possible by feel alone.

Simply open the battery cover by rotating clockwise, insert 2 AA batteries

(please follow the polarity guidance) into the compartment. The click system

reassure that the compartment is fully opened or closed.

Please Note:

When inserting the batteries please remember to follow the polarity

guidance indicated on the rear face of the unit. Remove the batteries

when the unit will not be used for extended periods of time.

To Open Rotate clockwise

To Close Rotate anti-clockwise

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