Elo TouchSystems ET1725L Series, Руководство пользователя

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Section 2. Properties
13
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)