The TR905 has the ability to apply an admin password requirement to access the menu systems. Should the user forget the admin password, please use this tool to access the menu system. Someone will need to be at the clock to perform this procedure. 

Download TFT Backdoor Utility attached to this artcle

Steps to follow

1. Ask for the current clock display time
2. Enter the clock time into the program. **This program recognizes only military time format. For example 4:15pm=16:15
3. Hit Menu button on the clock
4. At "Admin Affirm Prompt" (Lock Screen), Enter 8888 then OK
5. Enter the unlock code into the password field then press OK
6. Main Menu is now accessible.