Valcom V-420 User manual

Issue 4

1 947342

V-420

DYNAMIC NOISE CANCELLING MICROPHONE

INTRODUCTION

These instructions contain the

specifications and information

necessary to install, operate and

maintain the V-420 Dynamic Noise

Cancelling Microphone.

SPECIFICATIONS

Applications

Valcom Paging Systems

Features

Dynamic Element

Soft Lip Guard

Cycolac Housing

Push to Talk Button

Heavy Duty Four Conductor

Shielded Cable

Low Impedance (Balanced)

Dimensions/Weight

3.94"H x 2.97"W x 2.63"D

(10.00cm H x 7.54cm W x 6.68cm D)

10 oz. (284 grams)

Specifications

Element Dynamic

Frequency Response 100 to 5KHz

Output Impedance Lo Z 200 Ohms

Output Level Lo Z -58dB

(0dB = 1 mw/10 microbars)

INSTALLATION

Figure 1 shows the V-420 connected to

the Valcom V-9939C microphone

adapter.

TECHNICAL ASSISTANCE

Assistance is available from the factory

when problems are encountered.

Call (540) 563-2000 and press 1 for

Technical Support or visit our website at

http://www.valcom.com.

Valcom equipment is not field

repairable. Valcom, Inc. maintains

service facilities in Roanoke, VA.

Should repairs be necessary, attach a

tag to the unit clearly stating your

company name, address, phone

number, contact person and the nature

of the problem. Send the unit to:

Valcom, Inc.

Repair and Return Dept.

5614 Hollins Road

Roanoke, VA 24019-5056

2 947342

V-9939C

(TERMINAL LAYOUT)

VALCOM

MICROPHONE ADAPTER

SWITCH

POWER (GND)

POWER (-24VDC)

MIC SHIELD

LO Z2

GND OUT

LO Z1

MICROPHONE

SHIELDED CABLE

WHITE (+)

BLACK (-)

SHIELD

GREEN

RED

HI Z

V-420

RING

STATIONARY

BREAK

MAKE

TIP

FIGURE 1. CONNECTING ARRANGEMENT

VALCOM LIMITED WARRANTY

Valcom, Inc. warrants its products only to the original purchaser, for its own use, to be free from defects in materials and workmanship under conditions of

normal use and service for a period of one year from the date of shipment. This Limited Warranty obligation shall be limited to the replacement, repair or

refund of any such defective device within the warranty period, provided that:

1. inspection by Valcom, Inc. indicates the validity of the claim;

2. the defect is not the result of damage, misuse or negligence after the original shipment;

3. the product has not been altered in any way or repaired by others and that factory sealed units are unopened (a service charge plus parts

and labor will be applied to units defaced or physically damaged);

4. freight charges for the return of products to Valcom are prepaid;

5. all units 'out of warranty' are subject to a service charge. The service charge will cover minor repairs (major repairs will be subject to

additional charges for parts and labor).

This Limited Warranty is in lieu of and excludes all other warranties, expressed or implied and in no event shall Valcom, Inc. be liable for any

anticipated profits, consequential damages, loss of time or other losses incurred by the buyer in connection with the purchase, operation,

maintenance, installation, removal or use of the product. The maximum liability of Valcom under this warranty is limited to the purchase price of the

specific Product covered by the warranty.

Disclaimer. Except for the Limited Warranty provided herein, the product is provided “as-is” without any warranty of any kind whatsoever including, without

limitation, any WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.

This warranty specifically excludes damage incurred in shipment. In the event a product is received in damaged condition, the carrier should be notified