TASCAM TRACKPACK 4x4 Owners Manual - Page 14

Specifications, Ratings, Analog inputs

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88 Sound breaks up or there is noise. The processing load on the computer causes sound to break up and noise to occur. Here are some methods to reduce the load on the computer. 1. A wireless LAN and software running in the background, including antivirus software, regularly put processing loads on the computer, which can cause sound to break up and other noise. Stop wireless LAN transmission, antivirus software and other software running in the background when using this unit. 2. Set the buffer size (latency) in the audio application that you are using or in this unit's Settings Panel to a larger value. (Windows only) NOTE Consult the maker of the audio application that you are using for methods to reduce its load on your computer. 3. Change the settings of your computer so that they are optimal for audio processing. Using Windows 1. Open the Control Panel using the procedures for the OS (Windows 10/Windows 8.1/ Windows 7). ii In Windows 10, click Control Panel from the Windows Start button to open the Control Panel. Then, click the System icon. ii In Windows 8.1, right-click the ordinary Start screen (Metro user interface screen) and then click "All apps". Then, right-click "Computer" and select "Properties". ii In Windows 7, right-click "Computer" from the Windows Start button, and select "Properties". 2. Click "Advanced system settings". 3. Click "Settings" in the "Performance" section of the "Advanced" tab of the "System Properties" window. 4. In the "Visual Effects" tab of the "Performance Options" window, select "Adjust for best performance". Using Mac 1. Open "System Preferences..." from the Apple menu, and select "Energy Saver". 2. Set "Computer sleep" to "Never". 3. Set "Display sleep" to "Never". NOTE Depending on the Mac OS version and Macintosh computer model, this setting might not be available. 14 TASCAM US-2x2/US-4x4 88 Support for Bundled DAW Software TASCAM does not provide end-user support for the bundled DAW Software. Please check the Help menu of the installed software to find where this support is available. Specifications Ratings Sampling frequencies 44.1, 48, 88.2, 96 kHz Quantization bit depth 16/24-bit Analog inputs Mic inputs (Balanced) US-2x2: IN 1-2 US-4x4: IN 1-4 Connectors: XLR-3-31 equivalent (1: GND, 2: HOT, 3: COLD) Input impedance: 2.2 kΩ Rated input level (gain knob at MAX): −65 dBu (0.0004 Vrms) Rated input level (gain knob at MIN): −8 dBu (0.3090 Vrms) Maximum input level: +8 dBu (1.9467 Vrms) Gain range: 57 dB Instrument inputs (Unbalanced) IN 1-2 (MIC/LINE INST switch set to INST) Connectors: 6.3mm (1/4") standard TS jacks (Tip: HOT, Sleeve: GND) Input impedance: 1 MΩ or more Rated input level (gain knob at MAX): −63 dBV (0.0007 Vrms) Rated input level (gain knob at MIN): −6 dBV (0.5015 Vrms) Maximum input level: +10 dBV (3.162 Vrms) Gain range: 57 dB Line inputs (Balanced) US-2x2: IN 1-2 US-4x4: IN 1-4 (MIC/LINE INST switch set to MIC/LINE) Connectors: 6.3mm (1/4") standard TRS stereo jacks (Tip: HOT, Ring: COLD, Sleeve: GND) Input impedance: 10 kΩ Rated input level (gain knob at MAX):−53 dBu (0.0017 Vrms) Rated input level (gain knob at MIN): +4 dBu (1.228 Vrms)

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14
TASCAM US-2x2/US-4x4
8
Sound breaks up or there is noise.
The processing load on the computer causes sound
to break up and noise to occur.
Here are some methods to reduce the load on the
computer.
1.
A wireless LAN and software running in the
background, including antivirus software,
regularly put processing loads on the computer,
which can cause sound to break up and other
noise.
Stop wireless LAN transmission, antivirus software
and other software running in the background
when using this unit.
2.
Set the buffer size (latency) in the audio appli-
cation that you are using or in this unit's Settings
Panel to a larger value. (Windows only)
NOTE
Consult the maker of the audio application that
you are using for methods to reduce its load on
your computer.
3.
Change the settings of your computer so that
they are optimal for audio processing.
Using Windows
1.
Open the Control Panel using the proce-
dures for the OS (Windows 10/Windows 8.1/
Windows 7).
i
In Windows 10, click Control Panel from
the Windows Start button to open the
Control Panel. Then, click the System icon.
i
In Windows 8.1, right-click the ordinary
Start screen (Metro user interface screen)
and then click “All apps”. Then, right-click
“Computer” and select “Properties”.
i
In Windows 7, right-click “Computer” from
the Windows Start button, and select
“Properties”.
2.
Click “Advanced system settings”.
3.
Click “Settings” in the “Performance” section
of the “Advanced” tab of the “System
Properties” window.
4.
In the “Visual Effects” tab of the “Performance
Options” window, select “Adjust for best
performance”.
Using Mac
1.
Open “System Preferences…” from the Apple
menu, and select “Energy Saver”.
2.
Set “Computer sleep” to “Never”.
3.
Set “Display sleep” to “Never”.
NOTE
Depending on the Mac OS version and Macintosh
computer model, this setting might not be
available.
8
Support for Bundled DAW Software
TASCAM does not provide end-user support for the
bundled DAW Software. Please check the Help menu
of the installed software to find where this support is
available.
Specifications
Ratings
Sampling frequencies
44.1, 48, 88.2, 96 kHz
Quantization bit depth
16/24-bit
Analog inputs
Mic inputs (Balanced)
US-2x2: IN 1-2
US-4x4: IN 1-4
Connectors:
XLR-3-31 equivalent (1: GND, 2: HOT,
3: COLD)
Input impedance: 2.2 kΩ
Rated input level (gain knob at MAX): −65 dBu
(0.0004 Vrms)
Rated input level (gain knob at MIN): −8 dBu
(0.3090 Vrms)
Maximum input level: +8 dBu (1.9467 Vrms)
Gain range: 57 dB
Instrument inputs (Unbalanced)
IN 1-2
(
MIC/LINE INST
switch set to
INST
)
Connectors: 6.3mm (1/4") standard TS jacks
(Tip: HOT, Sleeve: GND)
Input impedance: 1 MΩ or more
Rated input level (gain knob at MAX): −63 dBV
(0.0007 Vrms)
Rated input level (gain knob at MIN): −6 dBV
(0.5015 Vrms)
Maximum input level: +10 dBV (3.162 Vrms)
Gain range: 57 dB
Line inputs (Balanced)
US-2x2: IN 1-2
US-4x4: IN 1-4
(
MIC/LINE INST
switch set to
MIC/LINE
)
Connectors: 6.3mm (1/4") standard TRS stereo jacks
(Tip: HOT, Ring: COLD, Sleeve: GND)
Input impedance: 10 kΩ
Rated input level (gain knob at MAX):−53 dBu
(0.0017 Vrms)
Rated input level (gain knob at MIN): +4 dBu (1.228
Vrms)