1. Change Mode 1 to Mode 2 for the transmitter of the Zhenhua transmitter:
2. Open the back cover:
3. Inside configuration:
4. Take off the right screw with a plastic part 1:
5.  And a spring (note nether another plastic part 2 for the spring):
6. Take off the plastic part 2 from ather side:
7. That is the plastic part 2:
8. look at 3 parts took off: 
9. Take off the left screw: 
10. With the spring piece:
11. Move it to right side:
12. Install it here:
13. That is right:
14. Install the plastic part 2 to left side:
15. Put in here:
16. Here is right:
17. Put the spring into here:
18.  And link the plastic part 2 together:
19. Link the plastic part 1 to end of the spring:
20. Put the plastic part 1 to own place:
21. Yes,that is OK:
22. Then,open the electronic board:
23. Take off 2nd and 3rd BNC connector plugs
24. ...
25. Exchange them each other and put in the BNC:
26. Put the electronic board to the place before:
27. Put the switch plastic part to here:
28. Install the back cover:
29. All right,that is the Mode 2: