SECURECRT, but after entering the simulator, the TAB key is still unable to complete.

SECURECRT is to do network, routing, switches and other equipment people know the tool, but into the simulator after the TAB key or can not complete, it is very annoying.
Setup steps:

1) Open SECURECRT Software, options-Global options-General-default session settings-Edit default settings-connect--the protocol option on the right is telnet;

2) on the left, select Telnet, on the right side of the Advanced box "force each character mode" tick, OK;

3) Always click "OK" and then restart the SECURECRT software.

SECURECRT, but after entering the simulator, the TAB key is still unable to complete.