SecureCRT landing liunx arrow keys fail

Use SecureCRT landing liunx (CenterOS) system, found deleted (backspace) key, and arrow keys do not work, resolve as follows:

First open Options-> Session Options-> Terminal-> Emulation (Chinese: Options -> Options answer -> Terminal -> emulation) at the interface:

1. Terminal (T): selecting linux, default is VT100.

2.ANSI color (A) check mark.

Then open Options-> Session Options-> Terminal-> Emulation-> Mapped Keys (Chinese: Options -> Options answer -> Terminal -> Simulation -> map key)

Check the box (Backspace sends delete, Delete sends backspace)