20190905
10
V
:
Revision
S
:
Status(8 bits as below)
You can get device information and status by this command.
You will get nothing, if the computer’s baudrate didn’t match with the device.
B.
Show pre-saved page message on LCD
HOST to DEVICE (5 bytes)
STX
D
m
n
ETX
02H
44H bin bin 03H
DEVICE to HOST (1 bytes)
ACK/NACK
m
: text page message,
m
=30H; graphic page message,
m
=31H
n
: page number, 31H<=
n
=3CH(for
m
=30H, text page); 31H<=
n
<=36H(for
m
=31H, graphic page)
You can show page message, which is kept in EEPROM, on your LCD.
Device will reply
ACK
and display the pre-saved message, if this command is acknowledged.
Otherwise, reply
NACK
.
The default text page table
Page# Message
Page# Message
Page# Message
1
Welcome
5
Card error
9
Verify fail
2
Enter PIN
6
Press ENT
10
Re-enter PIN
3
PIN error
7
Time out
11
Thank you
4
Swipe card
8
Please try again
12
Not working
C.
Erase LCD and buffer
HOST to DEVICE (3 bytes)
STX
C
ETX
02H
43H
03H
DEVICE to HOST (1 bytes)
ACK/NACK
You can clear all screen and buffer by this command.
Device will reply
ACK
, if this command is acknowledged. Otherwise, reply
NACK
.
D.
Enable/Disable reader
HOST to DEVICE (4 bytes)
STX
M
n
ETX
02H
4DH bin 03H
DEVICE to HOST (1 bytes)
ACK/NACK
n
=31H, Enable reader(default)
n
=30H, Disable reader
B7
B6
B5
B4
B3
B2
B1
B0
0
Viewing Keypad
Reader
Display
Mode
Baudrate
1:Desktop
0:Wall-Mount
1:enable
0:disable
1:enable
0:disable
1:asterisk
0:normal
1:buffer
0:unbuffer
00: 2400bps
01: 4800bps
10: 9600bps
11: 19200bps
