TV One Multimedia Solutions 1T-DA-124 Manuale utente

1T-DA-124 Dual Audio

Distribution Amplifier

Instruction Manual

Table of Contents

1.0 Introduction 2

2.0 Specifications 4

3.0 Checking Package Contents 4

4.0 Connecting the Hardware 5

5.0 Operating The Unit 6

6.0 Troubleshooting 6

7.0 Limited Warranty 6

8.0 Regulatory Compliance 7

9.0 Contact Information 8

1.0 INTRODUCTION

1T-DA-124 Dual Audio DA is two separate Distribution Amplifiers in a single

case. A 1x4 Analog Stereo DA via 3.5mm Mini-Stereo connectors and a 1x4

S/PDIF DA via RCA coaxial connectors. Audio Bandwidth is 20Hz to 20KHz and

the signal processing system ensures a low signal to noise ratio plus flat

equalization curves throughout the bandpass spectrum. Impedance is 20KΩfor

Analog Stereo signals and 75Ωfor S/PDIF signals. Analog Signal Levels are

Unity I/O. S/PDIF levels are unity and may be from .5 to 1 V P-P I/O.

The DAs can be cascaded for expanded functionality. An optional Rack Mounting

kit provides for mounting either one or two 1T-DA-124 DAs in a 19” Rack.

Our professional video conversion products have been serving the industry for

over twenty years. TV One offers a full line of high quality Seamless Switchers,

Video Scalers, Up/Down/Cross Converters, Analog-Digital Converters (SD/HD-

SDI, HDMI, DVI), Format Converters, Standards Converters, TBC/Frame

Synchronizers, Matrix Routing Switchers, Signal Distribution Amplifiers and Cat.5

Transmission Systems.

1.1 Liability Statement

Every effort has been made to ensure that this product is free of errors. TV One

cannot be held liable for the use of this hardware or any direct or indirect

consequential damages arising from its use. It is the responsibility of the user of

the hardware to check that it is suitable for his/her requirements and that it is

reproduced or transmitted by any form or means electronic or mechanical,

including photocopying, recording or by any information storage or retrieval

system without the written consent of the publisher.

TV One reserves the right to revise any of its hardware and software following its

policy to modify and/or improve its products where necessary or desirable. This

statement does not affect the legal rights of the user in any way.

All third party trademarks and copyrights are recognised. The TV One logo, AV

Toolbox logo, TV One-task and CORIO are the registered Trademarks of TV

One. All other trademarks are the property of their respective holders.

1.2 Features

•Dual Audio Distribution Amplifier

•1x4 Analog Stereo

•1x4 S/PDIF Audio

•20Hz through 20KHz bandwidth

•Flat Equalization and Low S/N Ratio

•Locking DC Power Plug for Cable Security

•Single and Dual Rack Mount Kit Optionally Available

1.3 Getting the Best Results

There are many factors affecting the quality of results when distributing audio

signals. Some basic precautions will ensure the best possible performance from

your new DA.

•Output device – The quality of the output signal will depend largely upon the

type and quality of the device used. For instance, some audio devices have

more audio output than others or better signal processing.

•Distance between the DA sources and the destination devices - This

plays a major role in the final result. Long distances are possible, but special

measures should be taken in order to avoid cable losses. These include

using high quality cables. Additional line amplifiers may also be necessary for

the longest runs.

•Input/Output connection cables – Low quality cables are susceptible to

interference. They degrade signal quality due to poor matching and can

cause elevated noise levels. Cables should be of the best quality.

•Interference from nearby electrical devices – These can have an adverse

effect on signal quality. For example, an older computer monitor often emits

very high electromagnetic fields that can interfere with the performance of

nearby audio equipment. Also, do not place audio cables in close proximity to

AC power wiring.

2.0 SPECIFICATIONS

3.0 CHECKING PACKAGE CONTENTS

Before attempting to use this unit, please check the packaging and make certain

the following items are contained in the shipping carton:

•1x 1T-DA-124

•1x 100~240VAC to 5VDC Power Adapter

•1x Instruction Manual

Note: Please retain the original packing material should the need ever arise to

return the unit. If you find any items are missing, contact your reseller or TV One

immediately. Have the Model Number, Serial Number and Invoice available for

reference when you call.

Analog Section

Stereo Input 1x via 3.5mm Mini Stereo

Stereo Outputs 4x via 3.5mm Mini Stereo

Bandwidth 20Hz to 20 KHz

Impedance 20KΩ

Equalization +/- 3db

Digital Section

S/PDIF Input 1x via RCA Coaxial

S/PDIF Outputs 4x via RCA Coaxial

Bandwidth 20Hz to 20 KHz

Impedance 75ΩS/PDIF

Audio Level 0 .5-1V p-p

Equalization +/- 3db

Warranty

Limited Warranty 2 Years Parts and Labor

Mechanical

Size (H-W-D) 1.6x8.6x5.8” (41.5x218x147mm)

Weight (Net) 1.88lbs (0.85kg)

Environmental

Operating Temp. 0°to +48°C (+32°to +120°F)

Operating Humidity 10% to 90%, Non-condensing

Storage Temp. 0°to +48°C (+32°to +120°F)

Storage Humidity 10% to 90%, Non-condensing

Power Requirement

Ext. Power Supply 5VDC@2A

Regulatory Approvals

Audio DAs FCC, CE, RoHS

Power Supply UL, CUL, CE, PSE, GS, RoHS

Accessories Included

1x AC Power Adapter US, UK or Euro Type

1x Instruction Manual

Optional Accessories

RM-220 Single/Dual Rackmount Kit

4.0 CONNECTING THE HARDWARE

Connect the Analog Audio source and/or S/PDIF audio source to the input(s) of

the 1T-DA-124, connect its outputs to an appropriate audio devices or audio

equipped monitors and lastly connect the AC to DC Power Adapter. The drawing

below shows the locations of the inputs, outputs and power connector.

1T-DA-124 DA

4.1 Connecting the Inputs to the Distribution Amplifiers

You can connect either analog stereo or S/PDIF coaxial audio to the 1T-DA-

124’s inputs. It’s possible to distribute analog stereo and S/PDIF audio at the

same time or just one type of audio. Make certain that the cables are securely

plugged into the devices as well as the Distribution Amplifier. Always use high

quality cables, as short a length as possible, for best results.

4.2 Connecting the Outputs to the Destination Devices

Using high quality cables, connect each output of the DA to an appropriate

destination device. Use the shortest cable run possible.

4.3 Connecting Power

All units are shipped with a Power Adapter to convert 100~240VAC@50-60Hz to

5VDC. Connect the twist lock DC Output Cable from the Power Adapter to the

back of the unit and then plug the Power Adapter into an AC Receptacle. There

is no power switch. The unit begins to function as soon as power is available.

4.4 Optional Rack Mount Kit

The Distribution Amplifiers can be mounted in a standard 19” equipment rack.

To mount the 1T-DA-124 DAs in a rack, the optional RM-220 Rack Mount kit

must be purchased.

5.0 OPERATING THE DISTRIBUTION AMPLIFIERS

Once the input, output and power cables are connected, plug the AC adaptor into

the AC receptacle and the Distribution Amplifier will begin to function. Other than

connecting cables and applying power, there are no other operator interventions

required.

6.0 TROUBLESHOOTING

In the event of problems, first make certain that the input and output cables are

high quality and undamaged. Next, make certain that the Distribution Amplifier is

receiving power.

If you still are experiencing problems using the 1T-DA-124 Distribution Amplifier,

you should attempt to determine what is wrong by attaching each of the source

devices – one at a time – directly to the destination device using the same

cable(s) you are using with the expanded system. This is a way of determining if

the problem is due to bad cables or a problem with the other devices. If you are

unable to obtain a signal using this simplified path, suspect the cables, the

source device or the destination device.

After trying the above suggestions should the problem still persist, contact your

dealer for additional suggestions before contacting TV One. Should the dealer’s

technical personnel be unable to assist you, contact TV One via our support

website: http://tvone.crmdesk.com. Create a technical support request on the

site and our support team will respond within a short period of time.

7.0 LIMITED WARRANTY

LIMITED WARRANTY – With the exceptions noted in the next paragraph, TV

One warrants the original purchaser that the equipment it manufactures or sells

will be free from defects in materials and workmanship for a period of one year

from the date of purchase. Should this product, in TV One’s opinion, prove

defective within this warranty period, TV One, at its option, will repair or replace

this product without charge. Any defective parts replaced become the property of

TV One. This warranty does not apply to those products which have been

damaged due to accident, unauthorized alterations, improper repair,

modifications, inadequate maintenance and care, or use in any manner for which

the product was not originally intended.

Items integrated into TV One products that are made by other manufacturers,

notably computer hard drives and liquid crystal display panels, are limited to the

term of the warranty offered by the respective manufacturers. Such specific

warranties are available upon request to TV One.

If repairs are necessary under this warranty policy, the original purchaser must

obtain a Return Authorization Number from TV One and return the product to a

location designated by TV One, freight prepaid. After repairs are complete, the

product will be returned, freight prepaid.

LIMITATIONS - All products sold are "as is" and the above Limited Warranty is

in lieu of all other warranties for this product, expressed or implied, and is strictly

limited to two years from the date of purchase. TV One assumes no liability to

distributors, resellers or end-users or any third parties for any loss of use,

revenue or profit.

TV One makes no other representation of warranty as to fitness for the purpose

or merchantability or otherwise in respect of any of the products sold. The

liability of TV One with respect to any defective products will be limited to the

repair or replacement of such products. In no event shall TV One be responsible

or liable for any damage arising from the use of such defective products whether

such damages be direct, indirect, consequential or otherwise, and whether such

damages are incurred by the reseller, end-user or any third party.

8.0 REGULATORY COMPLIANCE

The 1T-DA-124 Distribution Amplifiers have been tested for compliance with

appropriate FCC and CE rules and regulations. The Power Adaptor/Supplies

have been tested for compliance with appropriate UL, CUL, CE, PSE, GS Rules,

Regulations and/or Guidelines. These Products and Power Adapters are RoHS

Compliant.

Indice

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