Simaudio 750 D - Manual (Page 12)

MOON 750 D Digital-to-Analog Converter / CD Transport
Remote Control Operation (continued)
Backlight Function
Your FRM-3 features a backlight capability that allows you to effortlessly operate this remote control in a darkened
environment. Since battery lifespan is substantially reduced when the backlighting feature is activated, the FRM-3 includes 3
different operational modes to help preserve battery life:
Default Mode (#1): The backlight is triggered on by either moving the remote control (via an internal motion detector) or by
pressing any button on the remote’s keypad; The backlight will remain illuminated for a full five (5) seconds after the last
event (motion or pressed button). To activate the “Default Mode”, press and hold the “CD” button for three (3) seconds. The
backlight will illuminate once, very briefly for confirmation.
Button Mode (#2): The backlight is triggered ONLY by pressing any button on the remote’s keypad - the internal motion
detector is deactivated; The backlight will remain illuminated for a full five (5) seconds after the last button is pressed. To
activate the “Button Mode”, press and hold the “AMP” button for three (3) seconds. The backlight will illuminate twice, very
briefly for confirmation.
Off Mode (#3): The backlight feature is completely disabled. To activate the “Off Mode”, press and hold the “DAC” button for
three (3) seconds. The backlight will illuminate three times, very briefly for confirmation.
Balanced Operation
When using an unbalanced interconnect, the audio signal runs through both the center wire and the shield/ground wire. Any
noise picked up by this interconnect (ie. nearby magnetic fields such as an AC power cord) will be reproduced by both the
preamplifier and amplifier, then heard through the loudspeakers. Conversely, a balanced interconnect has three separate
conductors; one for the ground and two for the actual signal. These two signals are identical except that one is 180 degrees
out of phase with the other. For example, when one conductor is carrying a signal of +4 Volts, the other will be carrying a
signal of –4 Volts. When these two inverted signals on a balanced line are output from the MOON 750D, any noise picked
up by the interconnect will be eliminated since a differential circuit amplifies only the difference between these two signals:
Noise on a balanced interconnect will be equal on both conductors and therefore not be processed.
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Remote Control Operation / Balanced Operation 12