Shure orporated PA421A Users manual

User Guide

PA421A PSM® Antenna Combiner
Guide de l’utilisateur du répartiteur d’antenne PSM
Bedienungsanleitung für die Antennenweiche PSM

Guía del usuario del combinador de antenas PSM

Guida d’uso del combinatore di antenne PSM

Guia de usuário do combinador da antenas PSM

Руководство пользователя Combiner антенны PSM

PSM

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PSM

アンテナコンバイナ ユーザーガイド

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PSM
PSM

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Antenna Combiner 사용자 설명서

天线合并器用户指南

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天線合併器用戶指南

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©2011 Shure Incorporated

N108

Printed in U.S.A.

This symbol indicates that dangerous voltage constituting a
risk of electric shock is present within this unit.

! IMPORTANT SAFETY INSTRUCTIONS !

This symbol indicates that there are important operating and
maintenance instructions in the literature accompanying this unit.

1. READ these instructions.

2. KEEP these instructions.

3. HEED all warnings.

4. FOLLOW all instructions.

5. DO NOT use this apparatus near water.

6. CLEAN ONLY with dry cloth.

7. DO NOT block any ventilation openings. Install in accordance with the manu­facturer's instructions.

8. DO NOT install near any heat sources such as radiators, heat registers, stoves,
or other apparatus (including ampli ers) that produce heat.

9. DO NOT defeat the safety purpose of the polarized or grounding-type plug. A
polarized plug has two blades with one wider than the other. A grounding type
plug has two blades and a third grounding prong. The wider blade or the third
prong are provided for your safety. If the provided plug does not
let, consult an electrician for replacement of the obsolete outlet.

10. PROTECT the power cord from being walked on or pinched, particularly at plugs,
convenience receptacles, and the point where they exit from the apparatus.

11. ONLY USE attachments/accessories

WARNING:

safety certi

Voltages in this equipment are hazardous to life. No user-serviceable parts inside. Refer all servicing to quali ed service personnel. The

cations do not apply when the operating voltage is changed from the factory setting.

by the manufacturer.

t into your out-

WARNING: This product contains a chemical known to the State of California to cause cancer and birth

defects or other reproductive harm.

OVERVIEW

12.

13. UNPLUG this apparatus during lightning storms or when unused for long periods of
time.

14. REFER all servicing to quali
apparatus has been damaged in any way, such as power-supply cord or plug is dam­aged, liquid has been spilled or objects have fallen into the apparatus, the apparatus
has been exposed to rain or moisture, does not operate normally, or has been
dropped.

15. DO NOT expose the apparatus to dripping and splashing. DO NOT put objects
with liquids, such as vases, on the apparatus.

16. The MAINS plug or an appliance coupler shall remain readily operable.

17. The airborne noise of the apparatus does not exceed 70dB (A).

18. Apparatus with CLASS I construction shall be connected to a MAINS socket outlet
with a protective earthing connection.

19. To reduce the risk of re or electric shock, do not expose this apparatus to rain or
moisture.

20. Do not attempt to modify this product. Doing so could result in personal injury
and/or product failure.

USE only with a cart, stand, tripod, bracket, or table
speci

ed by the manufacturer, or sold with the
apparatus. When a cart is used, use caution when
moving the cart/apparatus combination to avoid
injury from tip-over.

ed service personnel. Servicing is required when the

lled

The Shure PA421A Antenna Combiners actively combine antenna outputs from up to four PSM wireless transmitters to a single antenna, improving
RF performance and reducing rack clutter.

INSTALLATION

1. Before installing, set the front panel power switch to OFF. (See Figure 1)

2. Using the supplied power cable connect the unit to an AC power source.

3. To use the device set the front panel power switch to ON. The power light will illuminate.

4. Before disconnecting the unit from the AC power source, or when not in use, power the unit OFF.

Switch Off

PA421A Benefits

• Reduction of intermodulation artifacts for cleaner RF environment
and more channels on air

• Simplified antenna placement

• Power distribution

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