[x] X [y].
Switch [x] input to [y] output
Save [X].
Save current scene to [X], [X] means
number keys from 1 to 9
Recall [Y].
Load the input/output switching saved in
[Y], [Y] means number keys from 1 to 9
Buzzer on.
Turn on the beep sound
Buzzer off.
Turn off the beep sound
7. Common Problem Shooting
Q:
Serial port operation is out of order, can not control to switch?
A:
The serial port is damaged or not started
Solution:
Make sure the port uses direct serial port line, check the connection of PC software
serial port.
Power failure:
Check the power fuses and connecting lines;
Signal interference:
Make sure the cables and plugs are connected well, the cables meet the
requirements, the system is ground connected well, the AC power between devices have the
same grounding system;
Accidental damage
：
Sent back to the manufacturer for recondition.
8. After-Sales
8.1 Warranty Information
The Company warrants that the process and materials of the product are not defective under
normal use and service for 2 (2) years 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
