media and lighting information to the holder of the pda any pda with 802 11 wireless capability or other data capability such as cellular bluetooth or other may also receive the lighting information the public stream 130 may alternatively be conveyed over other formats such as bluetooth this forms three different streams of information which are sent from the console the controlling information to the lights the status information to a remote and the public information the public information may be transmitted with virtually no security since it is intended to be received by any user in the vicinity of the information however the private line 125 and the control lines 120 should be secured the private line should be secured against hackers since otherwise anyone with knowledge of the system could hack in and change the show or change other parameters for example this security may use any of the encryption protocols which are associated with the wireless networking and preferably uses the strongest possible encryption however the control protocols require not only protection against hacking but also protection against interference during the shows many electronic devices are operating many users may have cell phones and many persons in the audience may also have cell phones cell phones and especially gsm cell phones may cause interference in addition there are moving motors and other items which may cause interference accordingly the stream 120 may be interference protected this may be done by using a spread spectrum form of 802 11 for example or by using an extremely error corrected form of 802 11 in the most extreme case each command may be sent four or five times.