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Installation, Chapter 2 – Bird Technologies 8320 User Manual

Page 15

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Chapter 2

Installation

Location

CAUTION

This equipment is designed for operation in a

horizontal position only, with the mounting

brackets down. Do not operate in any other

manner.

Allow at least six inches (150 mm) of clearance around the

unit, to permit an unimpeded access of convection air cur-

rents for adequate heat dissipation. Place the attenuator to

permit the shortest possible cable length between the unit

and the transmitting equipment. Operate the attenuator in

a horizontal position only, with the handles on top.

Mounting

The attenuator may be used for portable operation or for

fixed installation, that is, it may stand free or be secured to

a bench or any convenient flat surface. For Models 8322,

8323 and 8325, the front and rear fins are made of heavier

gauge material bent outward 90• to form mounting flanges.

At each corner of these flanges is a _ inch hole. The holes

are arranged in a rectangle, see Specifications, Page 1-3,

and the fasteners must be placed throughout the bench and

the holes. Secure the screws in place with nuts and lock

washers. Model 8321 is equipped with rubber bumper feet

which can be removed for permanent mounting. The holes

are tapped for 8-32 screws. All models have a convenient

carrying handle nested among the cooling fins on the top

side.

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