Optoma DAC80 User Manual
DAC80
A class leading DAC for your home system
44.1k
88.2k
176.4k
48.0k
96.0k
192.0k
User manual
ALDACBZ
NuForce DAC80 Digital to Analog Converter
FCC Notice - Declaration of Conformity Information
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment uses and can radiate radio frequency energy and, if not installed and used
in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning the equipment
o and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit dierent from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
WARNING: Only peripherals complying with the FCC class B limits may be attached to this equipment.
Changes or modiications made to this equipment, not expressly approved by us or parties authorized by us
could void the user’s authority to operate the equipment. This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may cause undesired operation.
1PB
QUICK START GUIDE
Product Overview
Front Panel
Back Panel
NuForce DAC80 Digital to Analog Converter
44.1k
88.2k
176.4k
48.0k
96.0k
192.0k
AC 100(115)V / 230(240)V
FUSE T2.5A 250V
100V
115V
240V
230V
RL
COAXIAL
2
COAXIAL
3
4
OPTICAL
1
USB
Make sure that the AC Voltage selector switch at the rear of the unit is switched to the appropriate voltage for
your country. All DAC80s are shipped with the switch set to 230VAC in order to prevent accidental damage.
Turn ON the AC power switch at the rear of the unit. The DAC80 will now be in standby mode.
The logic On/O is enabled by pushing the knob or using the remote. The DAC80 consumes less than 1W in
standby and approximately 10W when ON.
When turned ON from the standby state, the DAC80 requires six seconds to stabilize. During that period, the LED
will blink and the output will be muted.
2
NuForce DAC80 Digital to Analog Converter
Connections
Connect the appropriate digital source to any of the available digital inputs by using a high quality corresponding
cable type (USB, coaxial or Toslink).
The analog RCA output should be connected to your preamp using high quality interconnect cables. Please note:
It is not recommended to directly drive a power ampliier from the RCA outputs.
Inputs
The DAC80 provides for connecting up to four digital sources. They are selected in the following order:
• Input #1 - USB
• Input #2 - SP/DIF coaxial/RCA
• Input #3 – SP/DIF optical/Toslink
• Input #4 – SP/DIF coaxial/RCA
To select the desired input, simply press the Input buttons labeled 1 – 4. Once pressed, the selector button will
illuminate. Please note: the last-selected input is memorized when DAC80 is turned o and will become the active
Input when the unit is turned back ON.
Volume Control
The volume knob is a one-turn control. Pressing in on the knob turns the DAC80 ON and OFF (OFF = standby).
The volume at turn-on will be determined by the knob position.
LED Indicators
A stable and fully illuminated LED indicates the sample rate.
• Blue = multiples of 48kHz
• White = multiples of 44.1kHz
A blinking LED indicates that the output is muted.
When the six LEDs light sequentially in a clockwise pattern, the digital signal is not standard PCM format. Rather,
while the DAC80 has locked onto the signal, it may be a DTS signal (such as from a Blu-ray player) or some format
using a non-standard sample rate (such as 38.8kHz).
No LED indicates that the unit is OFF or in standby mode.
Using the Remote Control
The DAC80 comes with a simple remote control with the following buttons:
• On
• O
• Input – cycles through Input 1 to 4
• Volume +
• Volume -
• Mute
When using the Remote Control to change the volume, please note: the knob on the front panel is not motorized
and therefore will not turn. However, moving the front panel knob will immediately change the volume to that
knob position.
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