Extron-electronics IN3252HR Setup Guide Uživatelský manuál stáhnout pdf

Setup Guide — IN3252HR

This guide provides basic instructions for an

experienced installer to set up and operate the

Extron

IN3252HR Distribution Ampliﬁer (DA).

Installation and service must be performed

by authorized personnel only.

Step 1 — Turn off the DA and input/output devices

Turn the input and output devices off and unplug their power cords. Verify that the DA is

disconnected from the power source before proceeding.

Step 2 — Conﬁgure the jumpers

Changes to internal jumpers must

be performed by authorized service

personnel only. Take steps to prevent

electrostatic discharge.

To ensure the best picture quality, inputs are

DC coupled as a factory default. If the source

device has a high DC offset that causes picture

distortion and/or instability, change the jumpers

to AC coupling. If a local monitor will be used,

change the jumpers so inputs are unterminated

(see ﬁgure 2).

If necessary, access the jumpers by following the

steps below.

a. Remove the screws from the sides of the unit and slide the top cover off.

b. Identify the location of the jumpers (see ﬁgure 1) and conﬁgure them as needed

(see ﬁgure 2).

c. Replace the top cover and tighten the screws.

Step 3 — Attach input or loop-through cables

Connect an RGBHV, RGBS, RGsB, RsGsBs, component video, S-video, high resolution

monochrome video, or composite video device to these BNC connectors (

). See ﬁgure 3

on the reverse side for information on how to cable the BNC connectors.

N When using a loop-through connected to a local monitor, be sure to keep the cable

shorter than 12 feet in order to prevent reﬂections.

Step 4 — Attach output cables

Connect up to two RGBHV, RGBS, RGsB, RsGsBs, component video, S-video, high

resolution monochrome video, or composite video output devices, such as projectors

or monitors, to these BNC connectors (

). See ﬁgure 3 on the reverse side for more

information on how to cable the BNC connectors.

Figure 1 – Board view of jumpers

Input is terminated to 75 ohms (loop-through not used)*

AC coupling

Input is unterminated (high Z) (loop-through connected

to a local monitor or another amplifier)

Configuration

*Factory default settings

DC coupling*

J2 J3 J5 J1 J4 J6

Closed* Closed*

Closed*

OpenOpenOpen

Open

Closed*Closed* Closed*

Open

Closed

Figure 2 – Jumper conﬁguration table

1 2

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Strany 1 - Setup Guide — IN3252HR

Setup Guide — IN3252HRThis guide provides basic instructions for an experienced installer to set up and operate the Extron® IN3252HR Distribution Amp

Strany 2 - Step 7 — Mount the DA

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