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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.
keycode
:
0x32
(
2
)
Press a key
→
figure 3-3 Keyboard Testing Display
Press“ESC” to quit, then test number string input function, see figure 3-4
figure 3-4
0123456789_
Digit
-
only input test:
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.
0123456789
Content is:
String length=10
NL8510_
(To enter alpha input state,
press letter.)
Alpha & digit
Input test:
figure 3-5 figure 3-6
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)
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