Rtc command group
			
			
				If the reader has a Real Time Clock (RTC) on board, its current 
				time can be set and retrieved with commands from this command 
				group.
			
			WARNING: This command set is not available in all Baltech reader firmware variants.
Status codes
| BRP status | BRP Library Error Code | Mnemonic | Description | 
|---|---|---|---|
| 0x01 | 0x0401 (1025) | Rtc.ErrHardware | The RTC hardware is defect. | 
| 0x02 | 0x0402 (1026) | Rtc.ErrVoltageLow | The battery of the RTC is low. The time may be invalid. |