| 摘要 |
PURPOSE:To reduce the number of pilot lamps, by indicating one of 2 volumes for regulation, by either turning on or flickering the pilot lamp. CONSTITUTION:Pilot lamps 1, 3 and 5 are provided above 6 regulating volumes 7-12 arrayed ina 2 stages. In this stae, in case when regulation of the upper stage of the regulating volumes positioned under the pilot lamps 1, 3 and 5 is indicated, a corresponding pilot lamp is turned. On the other hand, in cast when regulation of the lower stage is indicated, a corresponding pilot lamp is flickered. |
