FEITIAN R502, User Manual, Page: 28 / 33

6.5 Basic Operation of MIFARE
a) Load Keys
Load keys command loads a Mifare one card key and stores it in the reader’s memory, thus preparing the
reader for subsequent card authentication. Mifare one smart card reader can only store one key at a time.
b) Authentication
The Authenticate command authenticates the card of the selected page by the reader system. For the
authentication of Mifare one, this command requires previous Load Keys.
c) Read Block
The Read command can read a specific block. For the Mifare one card, only sixteen bytes can read at a
time.
d) Write Block
Input the block number and the specific data you want and then click the button. For the Mifare one card,
only sixteen bytes can be write at a time.
e) Initial value
If you want some data to be increase or decrease or restored, you have to initialize the data block.
f) Increment
This command can add a data value to a block. User should input the block number and data value in the
textbox or output dialog will appear “Input Block number, Please!” or “Input data Value, Please!”.
g) Decrement
This command can decrease the data value of a block. Users should input block number and data value in
the textbox or output dialog will appear “Input Block number, Please!” or “Input data Value, Please!”.
h) Read Value
The read value command reads one memory value. Please input the block number or output dialog will
appear “Input Block number, Please!”
i) Restore value
The restore value command can transfer the contents of a data block into the data register.
6.6 Output Field
As the various responses to the different commands, the response messages brought by the reader and the
smart card will be show here.
a) Output Field-Clearing: This command clear out the whole information appeared in the output field.
b) Quit: This command ends the demo application program.