Miranda PicoLink Series Bedienungsanleitung

DAC-191p

Video DAC

Guide to Installation

and Operation

M824-9800-100

Miranda Technologies Inc.

Specifications may be subject to change.

Printed in Canada

March 2007

DAC-191p

picoLink Series

Miranda

Technologies inc.

3499 Douglas-B.-Floreani

St-Laurent, Québec, Canada H4S 1Y6

Tel. 514-333-1772

Fax. 514-333-9828

www.miranda.com

Guide to Installation and Operation

DAC-191p

Radio Frequency Interference and Immunity

This unit generates, uses, and can radiate radio

frequency energy. If the unit is not properly installed and

used in accordance with this guide, it may cause

interference with radio communications. Operation with

non-certified peripheral devices is likely to result in

interference with radio and television reception. This

equipment has been tested and complies with the limits

in accordance with the specifications in:

FCC Part 15, Subpart B

CE EN50081-1:1992

CE EN50082-1:1992.

CONTACT MIRANDA

For technical assistance, please contact the Miranda

Technical Support centre nearest you:

Americas

Telephone:

+1-800-224-7882

e-mail:

[email protected]

Asia

Telephone:

+81-3-5730-2987

e-mail:

[email protected]

Europe, Middle East, Africa, UK

Telephone:

+44 (0) 1491 820222

e-mail:

[email protected]

France (only)

Telephone:

+33 (0) 1 55 86 87 88

e-mail:

[email protected]

Visit our web site at

www.miranda.com

Guide to Installation and Operation

DAC-191p

CONTENTS

page

1.0 DAC-191p.............................................. 1

1.1 Introduction....................................................1

1.2 Features........................................................1

2.0 Physical Layout.....................................2

3.0 Installation.............................................3

3.1 Power Supply................................................3

3.2 4:2:2 Input ...................................................4

3.3 CAV Outputs .................................................4

4.0 Operation...............................................5

4.1 Switch Settings..............................................5

4.2 Status LED....................................................6

5.0 Specifications........................................7

Guide to Installation and Operation

DAC-191p

Guide to Installation and Operation

DAC-191p | 1

1.0 DAC-191p

1.1 Introduction

The DAC-191p is the industry’s smallest 4:2:2 serial

digital video to component analog video DAC. This

product automatically detects 525-line and 625-line 4:2:2

signals conforming to the SMPTE 259M-C standard and

provides BETA/EBU or GBR output signals. An internal

test pattern generator provides a color bars test signal

for both BETA/EBU and GBR outputs. In addition, this

feature-packed unit delivers ease-of-use, a simplified

design, easy installation and operation.

Figure 1: DAC-191p functional block diagram

1.2 Features

•Automatic 525-line and 625-line format input

detection

•Output standard selection: BETA/EBU or GBR with or

without setup

•Color bars generator

•Bi-color LED showing error status on input 4:2:2

signal

•Very small packaging with aluminum extruded body

Serial to

parallel DAC4:2:2 IN B/B-Y

G/Y

R/R-Y

COMPONENT OUT

Guide to Installation and Operation

2| DAC-191p

2.0 Physical Layout

Figure 2 illustrates the DAC-191p’s major parts and their

locations. The video source is connected to the 4:2:2

input BNC and the component analog output signals are

provided by the CAV outputs. Error status is provided by

the status LED and mode settings are configured by two

3-position slide switches. Finally, the power source is

connected to the power connector.

4:2:2 input

Power connector

CAV outputs

Status LED

3-position slide switches

Figure 2: Physical layout of the DAC-191p

Guide to Installation and Operation

DAC-191p | 3

3.0 Installation

3.1 Power Supply

The power supplies LKS-WSA and LKS-WSE, for 110 V

and 220 V operation respectively, are used to power the

DAC-191p. Each power supply provides a regulated +5

VDC@750 mA power source. The DAC-191p employs a

mini XLR-3 connector for its power needs. Figure 3

provides a detailed pinout of the male connector.

(male connector-facing)

Pin 1: Shield

Pin 2: GND

Pin 3: +5 VDC

Figure 3: Power connector pinout

Guide to Installation and Operation

4| DAC-191p

3.2 4:2:2 Input

Connect a 4:2:2 serial digital signal to the BNC labeled

4:2:2 IN. The 4:2:2 input signal must conform to the

SMPTE 259M-C standard.

3.3 CAV Outputs

The CAV outputs consist of green, blue, and red color

coded male BNC connectors. Male connectors are

provided so as to connect the DAC-191p directly to

monitoring equipment. Available CAV output standards

are:

•BETA/EBU

BETA/EBU operation provides Y/B-Y/R-Y

signals on the green, blue, and red BNCs

respectively (BETA = 60Hz; EBU = 50Hz.).

•GBR

The GBR format can be with or without setup.

Refer to Section 4.0 Operation in order to select the

desired output CAV standard.

Guide to Installation and Operation

DAC-191p | 5

4.0 Operation

4.1 Switch Settings

Figure 4 shows the slide switch locations and functions.

Output CAV standard (SW1)

Normal and Test (SW2)

picoLink CAV

OUT

SDI IN

Status LED

BETA

GBR 7.5

GBR

Normal

Test

DAC-191p

Miranda Technologies inc.

Made in Canada

Figure 4: DAC-191p switch settings

Output CAV standard switch (SW1)

BETA: For BETA/EBU CAV outputs, set SW1 to

this position. The Y/B-Y/R-Y outputs are

provided by the green, blue, and red

connectors respectively.

GBR 7.5: With 525-line inputs, set SW1 to this

position for GBR outputs with 7.5 IRE setup.

There is no setup for 625-line GBR outputs.

GBR: For GBR outputs with 0 IRE setup, set SW1

to this position.

Normal and test pattern switch (SW2)

Normal: For normal operation, set SW2 to this

position.

Test: Set SW2 to Test in order to enable the test

pattern generator. Make sure a valid 4:2:2

Guide to Installation and Operation

6| DAC-191p

input signal is installed. 525-line outputs

produce a 75% color bars signal whereas

625-line outputs produce a 75% color bars

with 100% white bar signal.

4.2 Status LED

The bi-colored status LED, located next to the CAV

output cable, is provided to identify any input errors and

the selection of the test pattern. The following lists all

possible situations.

Green: Indicates the DAC-191p is powered and has

detected a valid 4:2:2 serial digital signal.

Red: Indicates an error with the input signal has

been detected or simply, there is no input

signal installed.

Yellow: The test pattern is selected.

If an input signal error is detected during a test

pattern selection, the status LED will remain red.

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