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LED display card operation instructions:
1) Presses "K1" to turn on the LED display card, it will displays "AAA"
2) Presses "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) Presses "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. Confirms 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. Confirms
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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