Using Target Visibility Checker, V8.0 . ... Proposers Info Documents Manuals AO-15 Information AO-16 Timeline OTAC Results Target Visibility Tool Target Search Tool . ... If you select this entry option (Default) you can provide the revolution range for which the visibility should be computed. ... A time is specified for the minimum length that a target is required to be visible. ... The visibility tool imposes that for a target to be visible, all corners of the corresponding bin must be visible. ...