Extron Electronics BUC 102 - Manual (Page 14)

BUC 102 • Installation and Operation
Installation and Operation, cont’d
Front Panel Features
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1
2 3
Figure 3 — BUC 102 front panel
1 Power LED — Lights green to indicate that the BUC 102
has power.
2 Left input channel audio gain control — Adjusts the
audio input gain of the stereo left channel. The gain is
adjusted by rotating the screw and the adjustment range is
from mute (fully counterclockwise) to +20 dB (fully
clockwise). See
5
under “Rear Panel Features and
Cabling” in this chapter. See note below.
3 Right input channel audio gain control — Adjusts the
audio input gain of the stereo right channel. The gain is
adjusted by rotating the screw and the adjustment range is
from mute (fully counterclockwise) to +20 dB (fully
clockwise). See
5
under “Rear Panel Features and
Cabling” in this chapter. See note below.
Unity gain (0 dB) for both channels is around the
12 o’clock (vertical) position with the arrow end of the
pot adjustment screws vertically aligned with the
indicator dots, as shown here.
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The pots of the BUC 102 are set precisely to unity gain
at the factory. Once a pot adjustment screw is turned,
test equipment will be required to accurately reset the
pot to unity gain.
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