Adcom GDV-870 - Manual (Page 31)

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www.adcom.com GDV-870 Owner’s Manual
Customer Support
Use the Troubleshooting chart on page 32 to resolve
common situations that don’t require professional at-
tention. If the information provided does not resolve
your problem, please contact your Adcom dealer or
contact the Adcom customer service department as
follows:
Adcom, LLC
8541 E. Anderson Dr., Suite 101
Scottsdale, Arizona 85255
• Telephone: (480) 607-2277
• Fax: (480) 348-9876
• Email: [email protected]
• Web: www.adcom.com
Adcom Protection Plan
Adcom offers the enclosed valuable Limited War-
ranty. Please read the details on the Warranty Card
carefully to understand the extent of the protection
offered by the Warranty, its reasonable limitations,
and what you should do in order to obtain its ben-
efits. Be sure to verify that the serial number printed
on the rear panel matches the serial number on the
outer carton. If any number is altered or missing, you
should notify us immediately in order to ensure that
you have received a genuine Adcom product which
has not been opened, mishandled, or tampered with
in any way. Always retain your original sales receipt
as a proof of purchase.
Product Care & Maintenance
Before your Adcom DVD player left our factory, it
was carefully inspected for physical imperfections
and tested for all electrical parameters as a routine
part of Adcom’s systematic quality control. This,
along with full operational and mechanical testing,
should ensure a product flawless in both appearance
and performance.
After you have unpacked the GDV-870, inspect it for
physical damage. Save the shipping carton and all
packing material as they are intended to reduce the
possibility of transportation damage should the unit
ever need to be shipped again.
In the unlikely event damage has occurred, notify
your dealer immediately and request the name of the
carrier so a written claim to cover shipping damages
can be initiated. The right to a claim against a public
carrier can be forfeited if the carrier is not notified
promptly in writing and if the shipping carton and
packing materials are not available for inspection by
the carrier. Save all packing materials until the claim
has been settled.
A Special Note on “Hum”
If there is a low-volume “hum” audible throughout
your speakers, even with the main volume turned
all the way down, you have a common phenomenon
known as a “ground loop.” Generally, the cause of a
ground loop is the CableTV incoming signal line.
To determine if your cable system is the contributing
factor, disconnect the CableTV incoming signal line
(round, 75Ω) at the wall, or the first component the
cable is connected to (e.g. the cable box or VCR). If
the hum is no longer present, you must insert a “75Ω
ground loop isolator” before reconnecting the line.
Check with your Adcom dealer to obtain one.
System Reset
In rare cases the GDV-870 internal processor may
freeze or lock-up causing abnormal operation. This
is common to all micro-processor controlled devices
when the unit is subject to excessive static discharge,
AC line noise, or power spikes. In most cases it is
easy to solve this problem by simply turning off the
GDV-870 with the rear power switch for about five
minutes. After waiting, reconnect the power cord
and turn the unit on. If the unit functions normally,
no further action is needed.
If the unit still does not operate properly, it may be
necessary to manually reset the processor; see “Use
Default Settings” on page 24.
If the manual reset does not solve the problem, con-
tact your authorized Adcom dealer, an authorized
Adcom service center or contact Adcom’s service
department directly for further advice.
Chapter 5 - Help