RM.404 Top Panel (FUNCTIONS)
Section B: Output Controls
3.Master Level: Controls the overall output level of the audio signal sent through the Master connectors (see Output Connections.)
4.Stereo/Mono Switch: Switches the Master output between a stereo or mono signal. Mono mode can be used to accommodate some large PA sys- tems. It can also be engaged in the event of a sudden loss of stereo signal in phonograph cartridge connections [Stereo = UP position.]
5.Zone Level: Controls the output level of the audio signal sent through the Zone connectors (see Output Connections.)
6.Master Pan: Controls left/right signal balance of the Master Output (#3.)
