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Press the switch again to turn the LED's on. 22. LED BAR CHART PEAK LEVEL INDICATORS This is a new indicating system which uses digital-electronics to indicate the peak level of output or input during recording/playback. This system is much more accurate in indicating rapid transient power peaks than the ordinary VU meter system. The green LED display indicates —21 to —3dB levels, while the red display shows 0 to +6 dB levels. 23. PHONES LEVEL CONTROL Use this separate control to adjust the