ACR1255U-J1 – Reference Manual info@acs.com.hkVersion V1.07 www.acs.com.hkPage 43 of 776.4.2.3. Version Data ObjectThis command returns the version number of the IFD handler.Version Data ObjectTag Length (1 byte) Value80h 03h Major Minor Build6.4.2.4. Turn Off the RF Data ObjectThis command turns off the antenna field.Turn off RF Field Data ObjectTag Length (1 byte) Value83h 00h -6.4.2.5. Turn On the RF Data ObjectThis command turns on the antenna field.Turn on the RF Field Data ObjectTag Length (1 byte) Value84h 00h -6.4.2.6. Timer Data ObjectThis command creates a 32-bit timer data object in unit of 1 μs.Example: If there is timer data object with 5000 μs between RF Turn Off Data Object and RF TurnOn Data Object, the reader will turn off the RF field for about 5000μs before it is turned on.Timer Data ObjectTag Length (1 byte) Value5F 46h 04h Timer (4 bytes)6.4.2.7. Get Parameter Data ObjectThis command gets the different parameters from the IFD.Get Parameter Data ObjectTag Length (1 byte) ValueTag Len ValueFF 6Dh Var TLV_Objects