User Guide
  Section 2.  Properties 
 99
Property Access Description 
enc_key
R/W  Encryption key to use for the next encryption process (IntelliPIN): 
M  for Master key 
S for Session key 
0-3  for lower working keys 
A-J for upper working keys 
enc_key_sn
R/W  Serial number of encryption key. Used to specify key serial 
number for activating/deactivating PIN encryption in MSK mode 
and to return the key serial number in DUKPT mode. The key 
serial number is specified in clear text (IntelliPIN). 
enc_mode
R/W 
Current encryption mode – 
msk or dukpt (IntelliPIN). 
entry_echo
R/W  Specifies how to display the characters when entered from the 
keypad on the LCD screen (IntelliPIN): 
•  empty value to display as entered 
•  (minus) to suppress display 
•  $ to display as amount 
The value of this property affects the operation of the read
key_string
 command. By default this property is empty. 
entry_len
R/W  Maximum number of characters (1-32) to be collected with the 
read key_string command. An empty value (default) for this 
property converts to a length of 1. (IntelliPIN) 
entry_tout
R/W  Entry timeout: number of seconds (15-255) to wait for keypad 
input. (IntelliPIN) 
events_on
R/W 
Set to 
1 to enable unsolicited event notifications. The default is 0. 
(PPINSERT) 
invalcmdrsp
R/W 
Invalid command response: set to 
1 to enable responses to invalid 
commands (useful during program development). This is set to 0 
(disabled) by default. 
key_parity
R/W 
Set to 
1 to enable parity check on encryption keys. (IntelliPIN) 
lasterr
R  Status from the last command sent to the driver. A successfully 
executed command will reset this value to 
0. This property is 
useful for checking the operation of the set commands. After 
each 
set, the response to get lasterr should be 0. 
max_pin_len
R/W  Maximum PIN length (IntelliPIN): 
•  1 – 16 for ibm format (IBM 3624) 
•  4 – 12 for ansi format (ANSI 9.8) 
msg1 - msg4
R/W  Messages to show on LCD screen with various commands. 
msg1 – used by the read and display commands 
msg2 – used by the display and read pin commands 
msg3 – used by the read pin command 
msg4 – used by the key_press and key_string operations 
To specify leading spaces, use \x20. See the display command 
for more information. (IntelliPIN) 










