Motorola VC70N0 Product Reference Manual page 231

Figure 1: Terminal Lock disabled
Figure 11-3
To enable it set the following registry value:
[HKEY_CURRENT_USER\ControlPanel\SystemManagement\TermLock]
"Enabled Terminal Locking"=dword:00000001
Figure 2: Terminal Lock enabled
Figure 11-4
By default Terminal Lock applet is read only.
To gain read/write access to this applet, set the registry:
[HKEY_CURRENT_USER\ControlPanel\SystemManagement\TermLock]
"Administrator Terminal Locking"=dword:00000001
Software Configuration 11 - 7