Extron electronics VGA Distribution Amplifiers P/2 DA8 Manuale utente

Setup Guide — P/2 DA8 and DA12 Series

(Continued on reverse side)

Installation

Step 1

Turn all the equipment off and disconnect all cables.

Step 2

Place the unit on a convenient table top or mount it in a rack, under a desk, or on a projector

mounting system. Follow the instructions included with the appropriate mounting kit.

Step 3

Use the provided IEC connector to connect the unit to a convenient power socket. The internal

power supply supports 100-240 VAC, 50-60 Hz.

C Always use a power supply speciﬁed by Extron for this unit. Use of an unauthorized

power supply voids all regulatory compliance certiﬁcation and may cause damage to the

supply and the distribution ampliﬁer.

Step 4

Connect a video source to the video input, using a female DB-15 connector. Acceptable input

formats include: RGBHV, RGBS, RGsB, RsGsBs, YUV (tri-level and bi-level sync), S-video, and

composite video.

Step 5 (P/2 DA8 A and P/2 DA12 A models only)

Connect an unbalance audio source to the female 3.5 mm TRS connector.

Step 6

Connect up to eight (P/2 DA8 series) or twelve (P/2 DA12 series) display devices using female

DB-15 connectors. The output signal format follows that of the input.

N Output 1 is used for DDC reference.

The Extron® P/2 DA8 and P/2 DA12 series of distribution

ampliﬁers distribute video (all models) and stereo audio

(P/2 DA8 A and P/2 DA12 A models only). Unless

otherwise stated, these instructions apply to all four

models.

W These instructions provide a quick setup

guide for experienced installers. Installation

and service must be performed by authorized

personnel only.

100-240V 0.6A

50-60Hz

INPUTS

VIDEO OUTPUTS

P/2 DA8 A

2 4 6 8

1 3 5 7AUDIO OUTPUTSMUTE

1 3 5 7

2 4 6 8

Local Monitor

Audio In

Video In

Projector

Plasma

Display

Sound

System

Setup Guide — P/2 DA8 and P/2 DA12 Series (cont’d)

Extron USA - West

Headquarters

+800.633.9876

Inside USA / Canada Only

+1.714.491.1500

+1.714.491.1517 FAX

Extron USA - East

+800.633.9876

Inside USA / Canada Only

+1.919.863.1794

+1.919.863.1797 FAX

Extron Europe

+800.3987.6673

Inside Europe Only

+31.33.453.4040

+31.33.453.4050 FAX

Extron Asia

+800.7339.8766

Inside Asia Only

+65.6383.4400

+65.6383.4664 FAX

Extron Japan

+81.3.3511.7655

+81.3.3511.7656 FAX

Extron China

+400.883.1568

Inside China Only

+86.21.3760.1568

+86.21.3760.1566 FAX

Extron Middle East

+971.4.2991800

+971.4.2991880 FAX

68-1475-50

Rev. A

01 10

Step 7 (P/2 DA8 A and P/2 DA12 A models only)

Connect up to eight (P/2 DA8 A) or twelve (P/2 DA12 A) audio output devices to the 3.5 mm

5-pole captive screw connectors. Outputs can be balanced or unbalanced.

Unbalanced Stereo Output

Tip

NO GROUND HERE.

Sleeve(s)

Tip

NO GROUND HERE.

Balanced Stereo Output

Tip

Ring

Sleeve(s)

Tip

Ring

L R

Left

Right

Left

Right

CAUTION For unbalanced audio, connect the sleeve(s) to the center contact ground.

DO NOT connect the sleeve(s) to the negative (-) contacts.

Conﬁguration

Sync impedance DIP switches

Set the front panel DIP switches to correct for sync impedance mismatches,

or to solve laptop compatibility issues on the video input or reﬂection

problems on the video output.

Switch 1 (sync input impedance) — The default setting is Off (510 ohms). If the image from

the laptop is unstable, slide DIP switch 1 to On (10k ohms).

Switches 2-7 (sync output impedance) — Each of these switches controls a pair of outputs

simultaneously (see the table below). The default setting is Off (50 ohms). If the front LED is

green and all the input and output cables are connected correctly, but there is no image on the

display, slide the switch to On (75 ohms).

Switch Function Sync Impedance (ohms)

On Off

1 Input sync 10,000 510

2 Output 1 and 2 sync 75 50

3 Output 3 and 4 sync 75 50

4 Output 5 and 6 sync 75 50

5 Output 7 and 8 sync 75 50

6 Output 9 and 10 sync 75 50

7 Output 11 and 12 sync 75 50

N Switches 6 and 7 are available only on the P/2 DA12 series models.

Mute control

The mute control provides a way to mute individual outputs, or all outputs

at once. Audio and video for each output are muted simultaneously.

Each output is assigned to a pin on the captive screw connector. To mute

any output, short its pin to the ground pin ( ). Multiple outputs can be

shorted at the same time. To mute all outputs at once, short pin A (all) to the

ground pin.

The P/2 DA8 A model uses two 5-pole, 3.5 mm captive screw connectors.

The P/2 DA12 A model (shown at right) uses two 4-pole, 3.5 mm connectors and two 3-pole,

3.5 mm connectors.

If you have problems with the output from any of these distribution ampliﬁers, please consult

the Troubleshooting section of the full manual, which is available online at www.extron.com.

If the problems persist, contact the Extron service department.

1 2 345

ONON

OFF

SYNC IMPEDANCE

6 7

1234567

2 4 6 8 10 12

1A 3 5 7 9 11

MUTE

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