Document Version 1.2
Last revised on
2017-09-26
Page 58 of 92
Reference Manual for uTrust 4701F and uTrust 4711F Readers
6.3.4.5.
CNTLESS_CONTROL_PPS
This Escape command disables the automatic PPS done by the firmware/device for contactless cards.
Input:
The first byte of input buffer contains the escape code.
The second byte either sets the mode or contains a code to retrieve the setting.
Input
Output
Byte0
Byte1 - PPS control byte
Byte0
Escape
code(0x99)
0
Enable
No Output
1
Disable
No Output
FF
Get current status
0 – PPS is enabled
1 – PPS is disabled
Output:
No response is returned for set state. For Get State 1 byte response is received.
Output buffer
NULL or current state
6.3.4.6.
CNTLESS_RF_SWITCH
This Escape command can be used to switch the RF field ON or OFF.
Input:
The first byte of input buffer contains the escape code.
The second byte either sets the mode or contains a code to retrieve the setting.
Byte0
Byte1
Output
Value
Description
Byte0
Escape
code(0x96)
0x00
Switch RF Field OFF
No Output
0x01
Switch RF Field ON
No Output
0xFF
Get current field
state
0 – RF field is ON
1 – RF field is OFF
Output:
No response is returned for set state. For Get State 1 byte response is received.
Output buffer
NULL or current state
