Teac UD-701N USB DAC, Network Audio Player & Stereo Preamplifier (Black) - Manual (Page 23)

EN
23
Upconversion
Use this to set use of the upconversion circuit when receiving PCM
signals.
o See page 15 for the relationships between input sampling fre-
quencies and sampling frequencies after upconversion.
MENU
UPCONVERT
OFF
OFF
The input signal is sent as is to the D/A converter without being
upconverted.
2× Fs
If the input audio signal is less than 2× a standard sampling fre-
quency, it is upconverted 2× and then sent to the D/A converter.
4× Fs
If the input audio signal is less than 4× a standard sampling frequency,
it is upconverted 4× and then sent to the D/A converter.
8× Fs
If the input audio signal is less than 8× a standard sampling frequency,
it is upconverted 8× and then sent to the D/A converter.
NOTE
This can be set directly with the remote control UPCONVERT button.
Clock sync
o Clock sync is only possible when the input source is USB, NET
(including USB flash drives), COAXIAL, OPTICAL or Bluetooth.
MENU
CLOCK SYNC
OFF
OFF
No clock sync is used.
ON (DIN ASYNC)
This unit’s master clock will be synchronized to the 10MHz clock
input through the CLOCK sync input (10MHz IN) connector.
o When the input source is COAXIAL, OPTICAL or Bluetooth,
select this when only this unit is synchronized with external
clock.
ON (DIN SYNC)
This unit’s master clock will be synchronized to the 10MHz clock
input through the CLOCK sync input (10MHz IN) connector.
o When the input source is COAXIAL, OPTICAL or Bluetooth,
select this when both this unit and the digital audio output
device are synchronized with the same external clock.
NOTE
When the input source is USB or NET (including USB flash drives),
operation will be the same when set to either ON (DIN ASYNC) or
ON (DIN SYNC).
XLR polarity
MENU
XLR OUT POLARITY
PIN 2 HOT
Use this to set the polarity of the XLR analog audio output (LINE
OUT) connectors.
PIN2 HOT
Output through the XLR connectors with 2: HOT polarity.
PIN3 HOT
Output through the XLR connectors with 3: HOT polarity.
Line output level
MENU
LINE OUT LEVEL
VARIABLE
Use this to set the audio level output from the analog audio output
(LINE OUT) connectors.
FIXED 0dB
A maximum of 2 Vrms is output. Select this if you want to adjust the
volume using an amplifier.
FIXED +6dB
A maximum of 4 Vrms is output. Select this if you want to adjust the
volume using an amplifier.
o If the sound distorts, set this to FIXED 0dB.
VARIABLE
This will enable adjustment of the analog output level using this
unit’s VOLUME knob. Select this if you want to adjust the volume
using this unit.
OFF
No sound is ever output.
Headphone setting (XLR)
MENU
HEADPHONE XLR
BALANCED
Set the driver type of the headphones connected to the BALANCED
PHONES jack.
BALANCED
Balanced headphones are operated with differential drive.
The negative and positive connectors operate with opposite
polarities.
ACTIVE GROUND
The amp drives so that the negative connector of balanced head-
phones is 0 V.