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Check the display switcher and make sure it's in good condition
Make sure the the DVI cable between the device and display are short than 7 meters
Reconnect the DVI cable and restart the system
Make sure the signal sources are on
Check the cables between the devices and displays are connected correctly.
Dial the switcher 7 to 1, then dial the switcher1,2 and choose the corresponding inputs.
Make sure the resolution less than WUXGA (1920*1200)/ 60HZ
Make sure the display can support the output resolution.
8. After Sales
1.1 Warranty Information
The Company warrants that the process and materials of the product are not defective under
normal use and service for 2 (2) year following the date of purchase from the Company or its
authorized distributors.
If the product does not work within the guaranteed warranty period, the company will choose
and pay for the repair of the defective product or component, the delivery of the equivalent
product or component to the user for replacement of the defective item, or refund the
payment which users have made.
The replaced product will become the property of the Company.
The replacement product could be new or repaired.
Whichever is longer, any replacement or repaired of the product or component is for a period
of ninety (90) days or the remaining period of the initial warranty. The Company shall not be
responsible for any software, firmware, information, or memory data contained in, stored in,
or integrated with the product repaired by the customer's return, whether or not during the
warranty period.
2.2 Warranty limitations and exceptions
Except above limited warranty, if the product is damaged by over usage, incorrectly use,
ignore, accident, unusual physical pressure or voltage, unauthorized modification, alteration or
services rendered by someone other than the Company or its authorized agent, the company
will not have to bear additional obligations. Except using the product properly in the proper
application or normal usage
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