Have a look at the examples: Project | open
Start / stop the simulation with the buttons 
and 
Edit elements by right mouse click (when simulation is stopped)
Watch: activate a PLC window and click on 
(eye).
Carry out the example session! It is described in the manual (chapter 8) or here.
Turn and shift the machine in the 3-D view with the mouse, in the online help all navigation possibilities are described.
To find a position in PLC program: click on the element with the right mouse button, click on CR (cross reference) then activate desired position by double click
To find additional use of an operand in PLC program: mark operand in PLC program, click double on the status bar -> the cross reference appears, activate desired position by double click.
Make use of the element tree: Machine|Element tree
Please use also the context sensitive help with the key 
When a problem occurs you can call our hotline +49 (0)4961 / 91 63 93
or send us a mail to cephalos@t-online.de.