AV SIGNAL CONTROLLER PROVIDED WITH DIMMER CONTROL FUNCTION, AND AUDIO VISUAL ROOM SYSTEM

摘要

PROBLEM TO BE SOLVED: To properly control the brightness of a display section 12 of an AV amplifier 11. SOLUTION: When a user selects an automatic mode for a dimmer control mode, the ON/OFF of the display section 12 of the AV amplifier 11 is automatically switched depending on the presence of the output of a video signal from the AV amplifier 11 to a monitor 18.