◎ BEFORE USE
◎ SUPPORT AND SERVICE
◎ OPENHOBBY A/S CENTER
Thank you for purchasing Graupner/SJ X-4S HoTT 2.4GHz Radio
System. This system is extremely versatile and may be used by
beginners and pros alike. In order for you to make the best use
of your system, please read this manual carefully. If you have any
difficulties while using your system, please consult the manual, our
online Frequently Asked Questions (on the web pages referenced
below), your hobby dealer, or the Graupner/SJ Service Center.
Due to unforeseen changes in production procedures, the informa-
tion contained in this manual is subject to change without notice.
4
Customer support
We are happy to assist you with any question by e-mail
or phone. Customer service hours are from 9 am to 5 pm
PST (Pacific Standard Time) during the workweek, Monday
through Friday. E-mailed questions will be answered as
soon as possible
A/S support
During the warranty period, we can repair this product at
no cost in the event that it has become faulty under nor-
mal operating conditions.
For non-functional products that are past the expiration
date of the warranty or have been improperly used, we
would be happy to repair this product for an appropriate
amount of cost to the consumer.
Online Support
Please visit us at www.openhobbby.com, to stay up to
date with the latest software, firmware and product infor-
mation.
Warranty information
Refer the WARRANTY CARD in the Package
3245 University Ave, Suite 1520, San Diego, CA 92104,
United States of America
Phone: +1 855-5-RCisHoTT ( +1 855-572-4746)
Fax: +1 855-546-0350
E-mail: service@openhobby.com
©2014 Graupner/SJ USA – OPENHOBBY LLC. The HoTT trademark is used
with permission of SJ Inc. 4386066
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