Black Box AC3003A-NEC Manuel utilisateur

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Customer

Support

Information

February 2010

MT1000A-85-R4

BL A C K B OX®

Get perfect HD image

and sound quality

every time.

Insert these neat,

made-for-NEC receivers

directly into your display.

HD View – NEC-Integrated Receivers

AC3003A-NEC

AC3004A-NEC

Overview

Part of our HD View™ modular multimedia transmission

system, these receivers may be inserted directly into your NEC

display to extend HD video and stereo audio transmission up

to 1000 feet (304.8 m).

These units are compatible with HD View Transmitters

(AC3000A, AC3008A, AC3016A), Line Splitters (AC3001A,

AC3002A), Receiver (AC3005A), and Tuner (AC3006A).

Specifications

DDC: Complies with VESA DDC-2 specification

Distance (Maximum): AC3003A-NEC: 360 ft. (109.7 m);

AC3004A-NEC: 1000 ft. (304.8m)

Input/Output Video Signals: Analog Signal RGB;

0.7v p-p; 75 ohm

Resolution (Maximum): 1920 x 1440 at 60 Hz

(depending on the cable length)

Serial Baud Rate: 57 kbps

CE Approval: Yes

RoHS: Yes

Skew Compensation (Maximum): 63 nsec

Connector Type/Gender: RJ-45 / F; VGA HD15 F;

AC3004A-NEC only: Control: RJ-11

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Page 2

HD View – NEC-Integrated Receivers

Installation Steps

1. Turn the display off completely, using the hard on/off switch, or disconnect the equipment fully from the main power supply.

2. The receiver must be placed in the plug-in slot designed for this purpose. It is located on the left side of the display near the

carrying handle.

3. Remove the carrying handle by loosening the two Phillips-head screws.

4. Remove the cover panel over the plug-in slot by loosening the two Phillips-head screws.

5. Ensure that the receiver is inserted wtih the right orientation. Orientation is correct when the tuning port is on top and the

connector labeling is not upside down.

6. Use the screws that previously held the cover panel in place to secure the receiver.

7. Re-attach the carrying handle. Ensure that the screws are properly tightened (1.39 – 1.89 Nm torque).

8. Connect the CATx cables between the system ports of the Broadcaster and the Receivers.

Operating and Maintenance

1. Understanding LEDs: The table below explains the functions of the LEDs of the units in the system. There are very short

interruptions that can be observed in the “On“ state of the LED caused by presence scanning that the Transmitter performs.

Unit LED Function

Transmitter/Broadcaster Front Panel – Green Power Indicator

AC3003A-NEC and AC3004A-NEC Rear Panel – RJ-45 System Port Green/Yellow

Green – Power Indicator

Yellow solid – Unit is connected to the system

Yellow blinking – Bi-directional RS-232 communication (only possible when

using one receiver at a time)

2. Tuning: In order to achieve the best possible picture quality, you must tune the system. You can tune the system from the

Transmitter position or from the Receiver itself. By tuning from the Receiver, you have the advantage of being able to see the

tuning, right on the screen. To tune from the Broadcaster position, please see the Transmitter‘s user guide; to tune from the

Receiver‘s position, connect the Serial Download cable to the Receiver Tuning Port and the Serial port of a computer that

carries the Service Utility. See Figure 1 below.

Figure 1: The proper connection for tuning the system from a computer that has the Service Utility software.

AC3003A-NEC

To Transmitter Tuning from the Receiver Tuning Port

To computer‘s Serial port

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Page 3

HD View – NEC-Integrated Receivers

AC3003A-NEC

Troubleshooting

1. If the green LED is not on:

a. Is the receiver correctly positioned in the slot? Are the screws tightened?

b. Is the display turned on?

2. If the LED is on, but there is no picture:

a. Have you selected "Option" as input?

b. Although it is unlikely, please check to see if the dip switches in the back of the unit (behind the black 60-pin connector) are

in the correct position. The dipswitches on the unit must be set as follows:

Position 1 2 3 4

State Off Off On On

3. If the picture is out of focus:

a. Has the correct resolution been set?

- NEC MultiSync® LCD4020, LCD4620: 1360 x 768

- NEC M40, M46 and MultiSync LDC5220, LCD6520, L&P: 1920 x 1080

b. The display has possibly been set up for a different size. Press the “Size“ button on the remote control until “standard“ is

displayed in green in the top right-hand side of the screen.

c. Has the unit been tuned properly? [See “Operating and Maintaining Instructions / Tuning]

BL A C K BOX®

FREE, live, 24/7 Tech Support is just 30 seconds away.

724-746-5500 | blackbox.com

and HD View™ are trademarks of BB Technologies, Inc. Any third-party trademarks appearing in this publication are acknowledged to be the property of their respective owners.

AC3003A-NEC, rev. 1

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