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•
< min_len>- the max length for numeric. Max length cannot be less than 1
•
<256 bytes Encrypted Display Message> is encrypted Plain text data by numeric key using RSA-
2048 algorithm. The plain text of <256 bytes Encrypted Display Message> format is:
•
<LCD Message len><LCD Message Data>
Response Body:
1.
0x06 if command is successful, or 0x15 Error Code if it is not successful.
2.
Waiting for entering Numeric. And 06 + <len><keys0><keys1>...<keys14>
For example: enter into 7 numeric keys: 2 5 7 8 9 0 6, amount is 25789.06, response is 06 07 25 78 90 6F
FF FF FF FF FF FF FF FF FF FF FF FF
Note:
•
Wait 30 Seconds, The Numeric Len is 1~16
•
Per 10 Seconds, if the Numeric length was not 0, the Numeric would be clear and will display
cursor on LCD.
•
While you press numeric key,
Device
will increase display numeric on LCD if Total length is
smaller than MaxLen. Line 1 display:
o
If Enter 2 numeric (12): 0.12
o
If Enter 15 numeric (12345678901245): 1234567890123.45
•
While you press Backspace key,
Device
will decrease display numeric on LCD if Total numeric
length is not 0.
•
While you press Cancel key,
Device
will display cursor on LCD if Total numeric length is not 0, or
Device
will quit the work state.
•
While Cancel Command was sent,
Device
will quit the work state.
8.9.5
Get Function Key
Command Body:
75 46 0B
Command Example
STX
Len
Low
Len
High
Command Body
LRC
CHK
SUM
ETX
02
03
00
75 46 0B
38
C6
03
Output Hex String: 02030075460B38C603
Response Body:
06 + 1 byte ASCII code Func Key or 2 bytes ASCII code Func Key.
Note:
•
Wait 3 minutes.
•
While you press Backspace key,
Device
Sends “B” While you press Cancel key,
Device
Sends “C”
While you press Enter key,
Device
Sends “E” While you press ‘*’ key,
Device
Sends “*”
•
While you press ‘#’ key,
Device
Sends “#” While you press Blank key,
Device
Sends “?” While
you press F1 key,
Device
Sends “F””1” While you press F2 key,
Device
Sends “F””2” While you
press F3 key,
Device
Sends “F””3
8.9.6
Cancel Command
Command Body:
75 46 09
