| 摘要 |
PURPOSE:To use a surface panel effectively and to simplify a display element driving circuit by using a level display part of a sound signal also for display other than the level display. CONSTITUTION:For instance, 12 pieces of light emitting diodes a-l for displaying L channel levels and 12 light emitting diodes a'-l' for displaying R channel levels are arranged on the surface panel A. For instance, the diodes a'-l' for the R channel are used in common for necessary adjustment of BIAS, SENSE, etc. A switching circuit 20 is actuated in accordance with the operator's selection and a display element corresponding to the current selection mode is turned on. |
