Filter
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10
OUTPUT
This button allows you to adjust the output level in 0.5 dB
steps between –99.5 and +6 dB. You can also set the level to
–∞. When using this feature, switch off the VOLUME BYPASS.
VOLUME BYPASS
Pressing and holding this button for more than 3 seconds
switches the Volume Bypass on and off.
On
By-passes the volume (output level) circuit. Switch the
Volume Bypass on when you will be adjusting the volume
using a connected preamplifier. The indicator lights up.
Off
Switch the Volume Bypass off when this unit is directly
connected to your power amplifier and you will use the
OUTPUT button to adjust the output level. The indicator
turns off.
There is danger a sudden excessively loud signal will damage
the speakers if you switch the Volume Bypass on while in the
process of playing a CD or other media. Be sure to reduce the
preamp’s volume before you switch the Volume Bypass on.
F
E
FILTER
This button selects algorithms for upward conversion.
Pressing the button repeatedly rotates the selection through
the following (a lit indicator shows the current selection):
RDOT
A fluency digital filter that does upward sample rate
conversion. This filter has a slow roll-off characteristic and
provides a smooth immersive sound. A maximum 16 times
up-conversion is available.
FIR
An FIR-type digital filter that does upward sample rate
conversion. This filter has a sharp roll-off characteristic and
provides deep, well-defined sound. A maximum 8 times up-
conversion is available.
FIR+RDOT
This provides a combined function of FIR and RDOT filters.
The two up-conversion filters are directly coupled digitally
so that the best of each is brought out.
Pressing and holding the FILTER button for more than 3
seconds shifts the unit to the setting mode (page 12).
INPUT select switch
Use this switch to select digital inputs. Select which input your
external digital device is connected. The corresponding
indicator lights. It blinks when you select an input to which no
device is connected or a device that is connected but either
turned off or not compatible with the input type.
D
FIR RDOT FIR+RDOT
DF OFF (Digital Filter OFF)
C
Names of Each Control 2
CBA D FE
Display