Gigawave MTV-HD3 Manuale utente

MTV3- ASUM-7001-07 page 1 of 25

The information contained in this manual remains the property of Gigawave and may not be used,

disclosed or reproduced in any other form whatsoever without the prior written permission of

Gigawave.

Gigawave reserves the right to alter the equipment and specification appertaining to the equipment

described in this manual without notification.

MTV-HD3 RECEIVER

H264/MPEG-4 and MPEG-2 version

OPERATOR’S MANUAL

MTV3- ASUM-7001-07 page 2 of 25

CONTENTS

1 GENERAL INFORMATION ..................................................................................................... 4

1.1 General safety instructions ............................................................................................... 4

1.2 Disposal Instructions ......................................................................................................... 4

1.3 Environmental .................................................................................................................... 4

1.4 Health & Safety ................................................................................................................... 5

1.5 Maximum RF Power Density Limits .................................................................................. 6

1.6 Issue Status ........................................................................................................................ 6

2 GENERAL DESCRIPTION ...................................................................................................... 7

3 RECEIVER SPECIFICATIONS ................................................................................................ 8

4 PIN CONNECTIONS ............................................................................................................. 10

4.1 Front panel ........................................................................................................................ 10

4.1.1 SDI /ASI ..................................................................................................................... 10

4.1.2 Genlock input .............................................................................................................. 10

4.1.3 CVBS, YUV, Y/C ......................................................................................................... 10

4.1.4 Audio Connectors ........................................................................................................ 11

4.1.5 Remote control/User Data Connector .......................................................................... 12

4.2 Rear panel ......................................................................................................................... 12

4.2.1 Power Connector......................................................................................................... 12

4.2.2 10-32V DC .................................................................................................................. 12

4.2.3 RF Inputs (2 way diversity) .......................................................................................... 13

4.2.4 USB / Ethernet ............................................................................................................ 13

5 CONFIGURING THE RECEIVER .......................................................................................... 14

5.1 On / Off switch .................................................................................................................. 14

5.2 Operator Controls / Menus .............................................................................................. 14

5.3 Video monitoring on the front panel LCD screen .......................................................... 14

5.4 Current status and alarm screens ................................................................................... 14

5.4.1 Status overview screen ............................................................................................... 14

5.4.2 Status and alarm screens ............................................................................................ 15

5.4.2.1 Signal status......................................................................................................... 15

MTV3- ASUM-7001-07 page 3 of 25

5.4.2.2 Service information............................................................................................... 15

5.4.2.3 Decoder information ............................................................................................. 16

5.4.2.4 Unit status and alarms .......................................................................................... 16

5.5 Setup menus ..................................................................................................................... 16

5.5.1 Channel / Frequency Menu ......................................................................................... 16

5.5.1.1 Channel................................................................................................................ 16

5.5.1.2 Frequency ............................................................................................................ 17

5.5.1.3 Spectrum and bandwidth ...................................................................................... 17

5.5.2 Genlock ....................................................................................................................... 17

5.5.3 Inputs (decoder signal loss video output mode) ........................................................... 17

5.5.4 Outputs ....................................................................................................................... 17

5.5.4.1 Analogue outputs ................................................................................................. 17

5.5.4.1.1 Video................................................................................................................. 17

5.5.4.1.2 Analogue audio level adjustment ....................................................................... 17

5.5.4.1.3 Audio output impedance.................................................................................... 18

5.5.4.2 Digital outputs ...................................................................................................... 18

5.5.5 Services (MPEG decoder set up) ................................................................................ 18

5.5.6 Output ports ................................................................................................................ 18

5.5.6.1 User data ............................................................................................................. 18

5.5.6.2 USB port .............................................................................................................. 18

5.5.6.3 Ethernet port ........................................................................................................ 19

5.5.7 General settings .......................................................................................................... 19

5.5.7.1 Software versions ................................................................................................. 19

5.5.7.2 Display ................................................................................................................. 19

5.5.7.3 Unit name ............................................................................................................. 19

5.5.7.4 Advanced mode ................................................................................................... 19

5.5.7.5 USB upgrade........................................................................................................ 19

5.5.8 Decryption ................................................................................................................... 20

5.5.9 Receiver menu Tree .................................................................................................... 21

6 PREPARING FOR OPERATION ........................................................................................... 23

6.1 The MTV-HD3 receiver ..................................................................................................... 23

6.1.1 Antennas ..................................................................................................................... 23

6.1.2 Checks ........................................................................................................................ 23

6.2 Transmitter / Receiver tests............................................................................................. 23

7 TABLE OF COFDM BIT RATES ........................................................................................... 24

7.1 DVB-T bit rates ................................................................................................................. 24

7.2 ISDB-T bit rates ................................................................................................................ 25

MTV3- ASUM-7001-07 page 4 of 25

1 GENERAL INFORMATION

1.1 General safety instructions

The information that follows, together with local site regulations, must be studied by

personnel concerned with the operation or maintenance of the equipment, to ensure

awareness of potential hazards.

WARNING- RF Power Hazard: High levels of RF power are present in the unit. Exposure to RF or

microwave power can cause burns and may be harmful to health.

Switch off supplies before removing covers or disconnecting any RF cables, and before inspecting

damaged cables or antennas.

Avoid standing in front of high gain antennas (such as a dish) and never look into the open end of

a waveguide or cable where RF power may be present.

Users are strongly recommended to return any equipment that requires RF servicing to Gigawave.

WARNING- GaAs / BeO Hazard: Certain components inside the equipment contain Gallium

Arsenide and Beryllium Oxide that are toxic substances. Whilst safe to handle under normal

circumstances, individual components must not be cut, broken apart, incinerated or chemically

processed. In the case of Beryllium Oxide, a white ceramic material, the principal hazard is from

the dust or fumes which are carcinogenic if ingested, inhaled or entering damaged skin.

Please consult your local authority before disposing of these components.

CAUTION: Tantalum capacitors: When subjected to reverse or excess forward voltage, ripple

current or temperature these components may rupture and could potentially cause personal injury.

CAUTION: This system contains MOS devices. Electro-Static Discharge (ESD) precautions

should be employed to prevent accidental damage.

1.2 Disposal Instructions

All equipment, including batteries where applicable, should NOT be disposed of with household

waste as they are not bio-degradable in landfill sites. They should NOT be incinerated.

For safe disposal take to:

The local (council/authority) environmental waste site, (in Europe in accordance with the

European Environmental directive).

For details contact your local authority/recycling centre.

1.3 Environmental

It is recommended that the rain cover supplied with the equipment is used to protect the unit from

bad weather and pollution when used outdoors.

MTV3- ASUM-7001-07 page 5 of 25

1.4 Health & Safety

Exposure to Non Ionising (RF) Radiation/Safe Working Distances

The safe working distance from a transmitting antenna may be calculated from the

relationship:

D =  

in which D = safe working distance (meters)

PT = transmitter or combiner power output (watts)

GR = antenna gain ratio = anti log (gain dBi 10)

w = maximum allowed power density (watts/square meter)

The RF power density value is determined by reference to safety guidelines for exposure of

the human body to non-ionising radiation. It is important to note that the guidelines adopted

differ throughout the world and are from time-to-time re-issued with revised guidelines. For

Gigawave use, a maximum power density limit (w) of 1w/m² is to be applied when calculating

minimum safe working distances.

Important Note: It must be remembered that any transmitting equipment radiating power at

frequencies of 100 KHz and higher, has the potential to produce thermal and athermal effects upon

the human body.

To be safe:

a) Operators should not stand or walk in front of any antenna, nor should they allow anyone

else to do so.

b) Operators should not operate any RF receiver or power amplifier with any of its covers

removed, nor should they allow anyone else to do so.

Worked examples

Antenna

Receiver Power

Type

Gain (dBi)

Gain Ratio

10W

30W

OMNI

4 2.5 1 1 1.5 2.5

HELIX

20 100 4 5.6 9 15.5

PARABOLIC

DISH 35 3,162 22.5 32 50 87

MINIMUM SAFE DISTANCE (METRES)

PT. GR

4.w

MTV3- ASUM-7001-07 page 6 of 25

1.5 Maximum RF Power Density Limits

The RF Radiation Power Density limit figure recommended by Gigawave is based upon guideline

levels published in:

a. IEEE standard C95.1 1999 - IEEE Standard for Safety Levels with respect to Human

Exposure to Radio Frequency Electromagnetic Fields, 3 KHz to 300 GHz.

b. Guidelines for Limiting Exposure to Time-varying Electric, Magnetic & Electromagnetic

Fields (up to 300 GHz) published in 1998 by the Secretariat of the International Commission on

Non-Ionising Radiation Protection (ICNIRP).

Both documents define guideline RF power density limits for "Controlled" and "Uncontrolled"

environments. An uncontrolled environment is defined as one in which the person subjected to the

RF radiation may be unaware of and has no control over the radiation energy received. The

uncontrolled environment conditions can arise, even in the best regulated operations and for this

reason the limits defined for the uncontrolled environment have been assumed for the Gigawave

recommended limit.

Documents a) and b) also show the RF power density guidelines to be frequency dependent.

Different power density / frequency characteristics are presented in the two documents. To avoid

complexity and to avoid areas of uncertainty, Gigawave recommends the use of a single power

density limit across the frequency range 100 KHz to 300 GHz. The 1w/m² power density limit we

recommend satisfies the most stringent of the guidelines published to date.

Footnote: The IICNIRP document may be freely downloaded from the internet at

www.icnirp.de/emfgdl (PDF file), the IEEE standard is available on loan from Essex County Library

on payment of a search fee.

1.6 Issue Status

Issue

Date

Changes

Updated by

March 2010 first issue

M. Robinson

2 24

March 2010 Revised connections paragraphs 4.1.3 and 4.2.4 M. Robinson

3 13

April 2010 Video monitoring on front panel LCD added M. Robinson

4 14

April 2011 Ethernet port pin connections, detail expanded M. Robinson

5 18

Dec 2011 MPEG-2, H264/MPEG-4 decoder introduced M. Robinson

6 25

Nov 2013 Basic Safety Requirement added S. Huynh

MTV3- ASUM-7001-07 page 7 of 25

2 GENERAL DESCRIPTION

The Gigawave MTV-HD3 mini receiver is designed for all applications, both indoor and outdoor,

where a very small light-weight unit is essential to the operation. The unit features two-way

diversity reception using Maximum Ratio Combining technology

The receiver is available with either DVB-T or ISDB-T demodulation (factory options)

The receiver is comprised of a single miniature unit that contains RF down-converter COFDM

demodulator MPEG decoder and video/audio output circuitry.

This version of the receiver features both MPEG-2 and H264/MPEG-4 decoding with automatic

selection.

In HD mode, in addition to the HD SDI output, the unit provides a down-converted to SD monitoring

quality output at the CVBS port.

Video picture monitoring is available on the full colour front panel LCD screen.

The unit provides 4 audios (2 stereo) with analogue, SDI embedded and AES/EBU digital outputs.

The receiver powers from 10 to 32VDC, and outputs HD SDI, SD SDI and analogue composite

video (CVBS), component YUV and YC, and ASI, Audio outputs are analogue, SDI embedded and

AES/EBU digital audio.

The receiver can be used with a variety of Gigawave antennas:-

 PA series Low profile antennas are used for uplinking ground to air, or on-board linking

 HX series antennas offer increased gain and directivity

 FBA fan-beam antennas offer increased gain and 90 degree sector coverage.

 Parabolic antennas offer the highest gain, and longest operational range

 CO series Omni antennas are typically used for ground based mobile operations, or

helicopter air to ground

Full details are given in the Gigawave Antennas data sheet.

At the transmitting site a range of Gigawave digital transmitters may be used; for example the

complementary MTV-HD2 and D-Cam Clip-On, and MVL-D2 transmitters are available in both

H264 and MPEG-2 versions. Please consult the separate operator’s manuals for information

detailing transmitters.

MTV3- ASUM-7001-07 page 8 of 25

3 RECEIVER SPECIFICATIONS

RF Input

2x RF, N Type

Frequency Band

1.3 - 10 GHz band

Tuning Range

400MHz (modulation dependant, consult

factory)

Frequency Selection

Up to 16 pre-set channels or tuning in

1MHz steps via front panel control.

Programmable with 1MHz resolution to

customer

requirements within available bandwidth

(500kHz steps available to special order)

Receiver Noise Factor

4dB max.

Receiver Threshold

-92dBm to BER 10-5 (nom., QPSK)

Receive Antenna

Compatible with all Gigawave antennas

Demodulation

2 way Maximum Ratio Combining

Diversity reception

Demodulation Modes

DVB-T 2k

ISDB-T 2k (factory option)

QPSK, 16QAM, 64QAM

FEC:1/2, 2/3, 3/4, 5/6, 7/8

Guard interval: 1/32, 1/16. 1/8, 1/4

Data Rate

4.98 to 31.7 Mbit/s (automatic selection)

Bandwidth

DVB-T 6, 7, 8MHz

ISDB-T 6, 7MHz

Decoding

H264/MPEG-4 and MPEG-2 (automatic

selection).

Latency

Transmitter encoder dependant

Video Output

HD SDI SMPTE-292M (299M)

SD SDI SMPTE-259M (272M)

Analogue: composite (PAL/NTSC)

Analogue: component (YUV, YC)

HD down-converted to SD CVBS monitor

Video formats

1080i 1920 x 1080, 25 and 29.5Hz

720p 1280 x 720, 50 and 59Hz

480i (NTSC) 720 x 480

576i (PAL) 720 x 576

ASI Output

DVB ASI transport stream, 188 / 204

selectable

Genlock

Genlock input type, SD video –

composite black/burst

HD video – tri-level sync

Genlock timing offset feature

MTV3- ASUM-7001-07 page 9 of 25

Audio Outputs

Digital 2 x AES3 plus SDI embedded

Analogue 2 x stereo / 4 mono

User auxiliary data

Selectable 1200 to 230,400 baud

Power Supply

10 to 32VDC, 26 Watts typical

Monitoring

• Video picture monitoring on the full

colour LCD front panel display

• Comprehensive control and monitoring

menu via front panel control

• COFDM demodulator parameters

• RF Received signal level (dBm and bar

graph)

• C/N, MER, BER (dB and bar graph)

• Summary comprehensive internal lock

alarms

Remote control

Remote control and monitoring via

Ethernet port

USB software upgrade

Software upgrade via rear panel USB

port

Size

76mm high x 179 wide x 275 deep

Weight

2.9kg (6.4lbs)

Environmental

Safe use: -20° to +50°C

To spec: -10° to +45°C

Altitude: 4500m

Humidity: 95% long term

Mechanical Interface

Standard wedge plate compatible with all

Gigawave interfaces.

Specifications may alter at the discretion of Gigawave or to meet customer specific requirements.

MTV3- ASUM-7001-07 page 10 of 25

4 PIN CONNECTIONS

4.1 Front panel

4.1.1 SDI /ASI

Two outputs for either SDI or ASI. Each may be independently selected via front panel menu

system. See 5.5.4

75 BNC connector

4.1.2 Genlock input

Reference input for Genlock. Analogue CVBS or Tri level sync.

75 BNC connector

4.1.3 CVBS, YUV, Y/C

Analogue SD video, Composite PAL/NTSC (CVBS) or component YC / YUV

Connector Type: 6 pin LEMO connector EGG.1B.306.CLN

Video

CVBS

YUV

1 Y(0v) Y(0v)

2 Y Y

3 0V U(0v)

4 CVBS U

5 C(0v) V(0v)

6 C V

Note: The wiring of this connector is different from the corresponding connector used on the

MTV-D2 TX and Clip-On Tx

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