To download the latest SW file for your TV: visit www.p4c.philips.com, select country and model.select Software & Drivers, andsearch for your model number. Once on the download page, the Release Notes can be found under: Software and drivers,Release notes and/or installation instructions,History.
Frequency coordinators, in this case, are private organizations that have been certified by the Commission to recommend the most appropriate frequencies for applicants in the designated Part 90 radio services.requency coordinators, in this case, are private organizations that have been certified by the Commission to recommend the most appropriate frequencies for applicants in the designated Part 90 radio services.
The crossover is the circuit in the speaker which controls which frequencies each individual driver (woofer, midrange, tweeter...) plays. The crossover frequency is the frequency at which one driver 'takes over' from another. The crossover is a passive analog circuit consisting of resistors, capacitors and inductors, and are not 'brickwall' filters; around the cross over frequency, both drivers will be emitting sound.