Here you can request the firmware:
http://www.rigol.eu/firmwareVersion 00.01.07.00.01 Date 2013-05-16
Changes are:
1. Solve the problem LXI cannot pass the test of version 1.4.
2. Solve the problem Opposite TX1000 software switch and the actual output control
3. Solve the problem unable to remotely by the socket communication.
4. Solve the problem input is out of range, the instrument can not operated.
5. Solve the problem input save operation takes too long.
6. Correct spelling errors, change ‘Input Attention ’to ‘Input Attenuation.’