Keyboard; Files - Newland NL-8510 POS User Manual

3.2 Keyboard

To test the keyboard。
First to test if the key name matches the key code, for example: press "2" to see if code 2 is
entered. For detail display please see the figure 3-3.
Press"ESC" to quit, then test number string input function, see figure 3-4
input number date and press "enter" LCD will display the number date and its length, see figure
3-5.
Next testing the input date, see figure 3-6: input date then press "enter" to see the context
and length that you inputted.
String length=10
Content is:
0123456789
figure 3-5

3.3 Files

Test the file system of flash disk.
Firstly, display the free space of flash disk and the number of available file handlers (the
number of files that can be opened without closing the files that have already been opened)
Press a key
（ 2 ）
keycode：0x32
figure 3-3 Keyboard Testing Display
Digit－only input test:
0123456789_
figure 3-4
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Alpha & digit
Input test:
(To enter alpha input state,
press letter.)
NL8510_
figure 3-6
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