User Manual

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Analog Output Level
– This is your primary monitoring level control. You can control this level / volume using the
fader or the knob on the front panel.
Digital Output Level
– Your default for this level is all the way on, at 0 dBFs. This provides the best possible signal to
noise ratio, and therefore the best audio quality.
However, since Hilo offers you the option of routing several inputs to these outputs, you may overload the digital
output and cause distortion. When this is the case, use the Digital Output control to lower the level feeding the D/A
converter. Note, this control is NOT for setting the volume level of the Monitor or Phone outputs, but to attenuate the
digital signal to reduce distortion. Once the digital overload has been lessened, you can set the listening volume with
the Analog level control.
Ther e is an overload at indicator at the top of these meters. When potentially distortion-cau sing clipping occurs, this
indicator turns red and the associated text reads “OVER”. For an input, the Over indicator will activate when there are
three full-scale samples in a row, which indicates a high probability that clipping has occurred. For the outputs, the
Over indicator is an accurate reflection of an actual overload condition and the attenuation should be performed on the
input sources or digital outputs themselves when this occurs.
Before we explore how to route sources, we need to take a look at the “Single Tap Source Select” button, because this
impacts the way that sources are enabled.
3.4.8.2 Single Tap Source Select
One of the advantages of the Touch Screen GUI, is that
we can offer user-preferred options for the way onscreen
buttons behave, a big advantage over standard, fixed-
function hardware buttons. This is one such option.
1. For this parameter, Checked is the default. In this state, pressing an INPUT source button will instantly turn
that source OFF to ON or ON to OFF, the same function as the ON/OFF button below the fader. This allows for
quicker one-touch selection and muting of INPUT sources. However, the selected source will be present instantly
with full volume on first press or a previously set volume level.
2. When Unchecked, pressing an input source will only bring that source into focus. One must then press the
ON/OFF button to make the source active. The advantage is that you would have the opportunity to adjust the