Detailed Product Description

LED display card operation instructions:
1) Press "K1" to turn on the LED display card, it will displays "AAA"
2) Press "K2" to choose the group (there are 6 groups altogether, among which
the 1st group can store 512 characters, 5 other groups can store 256 characters),
after you choose the group, confirm according to "K1"
3) Press "K4" to choose the character form you want to display. (There are capital
letter, small letter and special character for you to choose, please see the blank
as below)
4) After choosing the character form, you can press the "K2" or "K3" to choose the
letter or the special character you want to display. Confirm according to "K1" after
selecting a letter or the symbol each time. After you press the "K1", you find that
the letter you choose is wrong, then you can press "K5" to correct it. That is, first
press "K5", then press "K4" to choose the character form you want to display,
after that press the "K2" or "K3" to choose the letter or the special character you
want to display. Confirm according to "K1" after selecting a letter or the symbol.
After the correction you can continue to input what you want
5) Waiting for 10 seconds, it will show automatically after all choosing the display
information wanted
6) The speed shown amounts to 9 grades, you can change its speed under the
state that it is showing according to "K4". One of the grade can make the
displaying stop don't move
7) You can press "K1" to take off it under the state of displaying
8) Operated by 2pcs CR2032 batteries

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