Transceiver Setting - ACS ACR128 User Manual

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NOTE: Make sure that the Auto PICC Polling is disabled first before turning off the antenna field. To execute
the manual PICC Polling, the antenna field must be enabled first.

5.7 Transceiver Setting

The Transceiver settings can be modified programmatically at any given time.
To modify the transceiver setting of the device, issue the following command:
ACR128 Escape Command
Modify Transceiver Setting
Use Tables 13, 14 and 15 to format Antenna Setting, RX Gain, and TX Mode values.
Table 13: Antenna Setting Values
CMD
Bit7 – Bit4
Bit3 – Bit 0
33 or 12
Table 14: RX Gain Setting Values
CMD
Bit7 – Bit3
Bit2
Bit1 – Bit 0
06
Table 15: TX Mode Setting Values
CMD
4B
To read the existing transceiver setting of the device, issue the following command:
ACR128 Escape Command
Read Transceiver Setting
ACR128 API
Version 1.7 May 2008
ACR128 Dual Interface Smart Card Reader
Antenna is turned off
Antenna if turned on
Description
Field Stop Time (Unit = 5 ms)
Setup Time (Unit = 10 ms)
Default Value
Description
RFU
LP Filter Off
Receiver Gain
Default Value
Description
Default Value
20 04 06 Antenna
Setting
20 01
RX TX
Gain Mode
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