Valcom V-764 Manuel utilisateur

TECHNICAL ASSISTANCE

When trouble is reported, verify there are no broken connections to the unit and

consult the Troubleshooting Chart. Assistance in troubleshooting is available from

the factory. When calling, you should have a Volt-ohm meter and a lineman’s test set

available and be calling from the job site. Call (540) 427-3900 and ask for Technical

Support, or call (540) 427-6000 for Valcom 24-hour Automated 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

VALCOM LIMITED WARRANTY

Valcom, Inc. warrants its products 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. The obligation under this warranty 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 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, or use of the product.

This warranty specifically excludes damage incurred in shipment. In the event a product is

received in damaged condition, the carrier should be notified immediately. Claims for such

damage should be filed with the carrier involved in accordance with the F.O.B. point.

Headquarters: In Canada

Valcom, Inc. CMX Corporation

1111 Industry Avenue 35 Van Kirk Drive #11 and 12

Roanoke, VA 24013 Brampton, Ontario L7A1A5

Phone: (540) 427-3900 Phone: (905) 456-1072

FAX: (540) 427-3517 FAX: 905) 456-2269

INSTALLATION INSTRUCTIONS FOR

TALKBACK DESK SPEAKER WITH CALL BUTTON

MODEL NO. V-764

Issue 2 947164

VALCOM TALKBACK DESK SPEAKER WITH CALL BUTTON

The V-764, Valcom Desk Speaker, is a 45 Ohm talkback speaker with call button

designed to be used with Valcom “handsfree” talkback control units. The volume

may be adjusted with the knob on the front of the housing. The V-764 requires no

additional power.

Model V-764-BK Black

Model V-764-W White

Model V-764-GY Gray

WIRING

Connections are accomplished via an RJ11C connector. A 7 ft. silver satin modular

cord is supplied to accomplish these connections.

Cable runs should be limited to 800 foot maximum from the talkback control unit

using Cat 3 or 5, twisted telephone cable.

Tip

Ring

Call Sw

Green

Red

Black

Yellow

Valcom

H andsfree

Talkback

C ontrol U nit

Zone

O tp t

Mod lar

J a c k

RJ11C

Jack

Mod lar

C o rd

V -7 6 4

Speaker

Typical Connection

DIMENSIONS/WEIGHT

Dimensions: 3.9”H x 5.1”W x 3.2”D

(9.9cm H x 12.9cmW x 8.1cmD)

Weight: .7 lbs. (.32 kg)

MOUNTING

The V-764 can be used on a desk or wall mounted. The front cover may be

rotated to match positioning. Four rubber feet are included with the V-764 to

restrict movement on a desk surface.

Key hole patterns are located on the inside rear surface of the enclosure for

wall mounting. When wall mounting, remove the front cover, mount and

replace the front cover. Use a 11/32” drill bit to drill the center hole and a

3/16” bit to drill either of the outer holes.

OPERATION

Adjust the V-764 volume control to ½ rotation. Adjust transmit/receive

controls on the talkback control, then fine tune the volume control on the

speaker as needed. Typical adjustment of receive volume control is 1/3

rotation and transmit volume control is 2/3 rotation.

NOTE: Adjustment of the volume control raises and lowers the reply voice

level when the page control is in the receive mode. The V-764 will not

increase the transmit or receive level beyond the setting on the page control

unit.

TROUBLESHOOTING CHART

Problems Probable Causes and Corrections

No Sound 1. Check that volume control is turned up.

2. Using a lineman’s test set, check for the proper audio level

on the T & R leads, and if necessary also at the source.

Low Volume 1. Check that volume control is turned up.

2. Using a lineman’s test set, check for the proper audio level

on the T & R leads, and if necessary also at the source.

Loud Squeal

(feedback) 1. Lower volume of speaker.

2. Aim speaker in different direction.

3. Move speaker to location further from phone.

4. Install confidencer on phone in severe problem area.

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