Gigawave INCAM-G Manual de usuario

CABK-ASOM-735x-01

INCAM-G Operator’s Manual 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.

INCAM-G

Wireless Camera Transmitter

OPERATOR’S MANUAL

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INCAM-G Operator’s Manual Page 2 of 25

CONTENTS

1 General information ................................................................................................................. 3

1.1 General Safety Information .............................................................................................. 3

1.2 Disposal Instructions ....................................................................................................... 3

1.3 Environmental ................................................................................................................. 3

1.4 Health & Safety................................................................................................................ 4

1.5 Maximum RF Power Density Limits ................................................................................. 5

1.6 Document Issue Status.................................................................................................... 5

2 Introduction ............................................................................................................................. 6

3 Specifications .......................................................................................................................... 8

4 Installing the INCAM-G onto the camera ............................................................................... 10

5 INCAM-G operation ............................................................................................................... 11

5.1 On / Standby / Off switch ............................................................................................... 11

5.2 Connectors and Pin outs ............................................................................................... 11

5.2.1 Rear Connectors........................................................................................................ 11

5.2.1.1 Telemetry Antenna (1) ....................................................................................... 11

5.2.1.2 Video Out (2) ..................................................................................................... 12

5.2.1.3 Power In (3) ....................................................................................................... 12

5.2.1.4 Power Switch (4) ................................................................................................ 12

5.2.1.5 Steadicam Tally (5) ............................................................................................ 12

5.2.1.6 Return Data (6) .................................................................................................. 12

5.2.1.7 External Audio (7) .............................................................................................. 12

5.2.1.8 Remote Configuration (8) ................................................................................... 13

5.2.1.9 RF Antenna (9) .................................................................................................. 13

5.2.2 Side Connectors ........................................................................................................ 14

5.2.2.1 Return In (1) ....................................................................................................... 14

5.2.2.2 SDI Out (2) ......................................................................................................... 14

5.2.3 Transmitter Configuration via Windows PC application .............................................. 15

6 Camera control ...................................................................................................................... 17

6.1 Associated documentation ............................................................................................. 17

6.2 Typical block diagrams .................................................................................................. 17

6.2.1 MVL-HD3 receiver with built in Camera control TX .................................................... 17

6.2.2 MVL-HD3 receiver with separate Camera control TX ................................................. 18

6.2.3 MTV-HD3 receiver ..................................................................................................... 19

6.2.4 Interconnection details, when Interface Unit............................................................... 20

6.2.5 Arrangement for multiple OCPs and Cameras, using a single Data TX ...................... 21

7 Preparing for operation .......................................................................................................... 22

7.1 The INCAM-G transmitter .............................................................................................. 22

7.2 The Receiving Equipment .............................................................................................. 22

8 Table of COFDM bit rates...................................................................................................... 23

8.1 DVB-T bit rates .............................................................................................................. 23

8.2 LMS-T Bit rates.............................................................................................................. 24

9 Internal Architecture Block Diagram ...................................................................................... 25

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1 General information

1.1 General Safety Information

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

The INCAM-G is IPxx rated and it must be protected from dripping or splashing water/fluids. When

installed in a camera and used outdoors the unit should be protected by the rain cover which is

normally used to protect the camera.

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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. Appendix A refers.

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 transmitter or power amplifier with any of its covers

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

Worked examples

Antenna

Transmitter 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

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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 Document Issue Status

Issue

Date

Changes

1 11/12/2014 First issue

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2 Introduction

The INCAM-G is a Wireless Camera Transmitter built into the rear housing of the Grass Valley

LDX series cameras. The system includes a UHF data receiver unit for camera.

Features include:

 Includes built in wireless camera control receiver module.

 Full HD, 3G SDI

 Superb and exclusive broadcast quality 1080p, 1080i, 720p H.264 encoding.

 Ultra Low Delay down to 20ms H.264, plus Low and Standard Delay, with adjustable GOP (4

to 30).

 Data rates up to 39Mbit/s,

 Available for either COFDM DVB-T or LMS-T - factory options.

 Linear distortion pre-correction of COFDM RF carrier for improved spectral re-growth and co-

channel performance (option).

 Add on PA Barrel Booster option.

 Camera control compatible with Grass Valley OCP 400 and Gigawave OCP5.

 Control via USB connection with Windows™ PC Software

 Fully compatible with Vislink’s Gigawave and Link receivers

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Typical INCAM-G system configurations

COFDM video link

triax

MVL-HD3 series 2/4 way diversity

Dual RF head, single triax

Choice of OCPs

OCP5 or OCP400

L2174 series 2 or 4 way diversity

receiver

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3 Specifications

Frequency bands 1.5 to 7GHz in bands

Tuning range 500MHz standard bandwidth.

1.95 to 2.7GHz factory option

Frequency Selection Up to 16 pre-set channels or tuning in 500kHz steps.

Transmit Power Switchable in steps 10 to 200mW (frequency band dependant)

Linear distortion pre-correction of RF COFDM carrier, for improved

spectral re-growth.

Transmit Antenna Gigawave Omni Directional 4dBi gain (nom.)

Modulation Switchable

 DVB-T 2K

 LMS-T, single and double COFDM carriers (factory option)

Modulation Modes QPSK, 16QAM, 64QAM

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

LDPC – (LMS-T)

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

RF Bandwidths

DVB-T selectable 6, 7, 8MHz

Encoding Video H.264/MPEG-4 level 4.1

Profile selectable 4.2.0 / 4.2.2

H.264 Level selectable 3.0, 3.1, 3.2, 4.0, 4.1

Video GOP selectable, GOP M, GOP GN

Audio MPEG1 Layer 2 or Layer 1 selectable

Audio encoding rate selectable 128, 256, 384kBit/s

PIDs: User adjustable

Latency Selectable Standard, Low and Ultra Low delay (sub one frame, 20ms)

Video Input HD SDI 1080i, 1080p, 720p as defined by the camera

Audio Input Audio encoding rate selectable 128, 256, 384kBit/s

ASI connector Dual purpose connector, ASI output or input

DVB ASI transport stream 188/204

Internal ASI MUX

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User data 9600 baud

Remote control via USB connection with Windows PC Software

Camera Control RX

Operating bands UHF 430 to 470MHz or 450 to 490MHz

Tuning step size 12.5kHz or 6.25kHz

Modulation GMSK

Power Requirements

12 - 16VDC, 18 Watts

Mechanical Interface

Mounts inside the camera rear housing

Weight Rear housing weight with transmitter fitted 2.3kg

Environmental Temperature: -20o to +50oC

Altitude: 4500m

Humidity: 95% humidity long term

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4 Installing the INCAM-G onto the camera

To install the Incam-G rear housing to the LDX series camera, join the two parts together with the

Mating Plugs (5) inserting into the Mating Holes (3).

Next fasten the Retaining Screws (1) at the top of the camera into the Retaining Screw Holes (2).

Finally, fasten the Tightening Screws (4) at the bottom of the camera on both sides, which are

used to hold the Mating Plugs in place.

5. Mating Plugs

4. Tightening Screws 3. Mating Holes

2. Retaining Screw Holes

1. Retaining Screws

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