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
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.
Ce manuel convient aux modèles suivants
3
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