Firstly you will need to make some binds
open the console and type
1. bind "your choice of key" exec cam.cfg
2. bind "your choice of key" exec record.cfg
3. bind "your choice of key" exec stop.cfg
Pressing the "cam" key .Roll the mouse up or down to set the angle and range
press MOUSE3 to reset to Default
press the "record" key to record your Demo
press the "stop" key to stop recording the demo
next go into the menu Demo and watch your demo
you can now record your Demo using Frapps or a similar program
Simple....
Serenity