Further innovations were incorporated into the FACS (foot activated channel switching) model, which built upon the single channel design by adding switchable preamps and tone stacks, and provided relay switching for the power attenuator.

However, as a trade-off for screen size, this set uses a mechanical rotary channel selector (rather than the currently popular pushbuttons), which precludes the use of a remote control for channel switching.

Marshall then updated the JCM800 range with additional models and new features such as "channel switching", which meant that players could switch between clean and distorted tones with the push of a foot-operated switch.

Whether this tacit endorsement of channel switching will add to WCCO's ratings or simply confuse viewers is a matter of much interest in the television community.

THERE is another festival of sport this Sunday but it requires some channel switching.

When both channels are displayed, the type of channel switching can be selected on some oscilloscopes; on others, the type depends upon timebase setting.

If manually selectable, channel switching can be free-running (asynchronous), or between consecutive sweeps.

The big question here is actually why Fender are using the Champ moniker for this 25 watt, channel switching, all-purpose tube amplifier, when previously 'Champ' has been a synonym for 'diminutive but pokey practice amp'.

In the next room I heard the TV go on, then aimless channel switching.

Random scrambling and channel switching, coordinated with miniaturization and speed that makes fiber optics look like a slow boat. . . well, nothing is beyond possible anymore.