Yamaha CS1D Owner's Manual - Page 248
GAIN ATTENUATOR GAIN] encoder and LEDs, GAIN [CLIP] LED
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GAIN section SELECTED INPUT CHANNEL block 1 [GAIN] encoder and LEDs If an AD card with head amp is patched to this channel, this encoder sets the input sensitivity of the head amp. The range of levels is +10dB - -68 dB. The approximate current setting is shown by the perimeter LEDs. The PAD will be internally switched on or off when the gain of the LMY4-MLF card (including the AI8ML8F unit) internal head amp is adjusted between -8 dB and -7 dB. Keep in mind that noise may be generated if there is a difference between the Hot and Cold output impedance of the external device connected to the card when using phantom power. ATTENUATOR section This section attenuates the level of the input signal. 2 GAIN [CLIP] LED This LED will light if the input signal of the input channel clips. If this LED lights for an input channel to which an AD card with head amp has been patched, use the [GAIN] encoder (1) to lower the input sensitivity. If this LED lights for an input channel to which an AD card without head amp or a digital I/O card has been patched, lower the output level of the sound source that is connected to the card. 1 ATTENUATOR 1 [ATTENUATOR] encoder and LEDs This encoder attenuates the signal level of the selected channel, and immediately before the HPF. The range is -96 dB - 0 dB (1 dB steps), and the approximate current value is shown by the perimeter LEDs. 31
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