This product applies the latest power technology.
Therefore the working temperature has dropped significantly compared
to the previous generation products. This allows leaving power on
over the long term.
This product is burned-in for at
least 300 hours before shipping.
We recommend burning it
for an additional 300 hours for best results.
The quickest way to complete the
burn-in of this product is to play music continuously.
Do not immediately power on the unit
after powering it off. Wait for at least 30 seconds.
Digit on top:
sampling rate indicator; 44.1, 48.0,88.2, 96.0, 176, 192, 352 and
384 are for the PCM formats, while 064, 128, 256 and 512 are for the DSD
Leftmost digit on bottom:
When the clock
connected, the right bottom of this digit will light up a dot, that
can go into the setting menu to set the DAC work with external
clock.( for details, read below ).
2nd and 3rd digit
display, could be set to NOS modes include N0 and N1, also the OS
modes include O2,O4 and O8 .
digit on bottom:
The turnable sound flavor
indicator, either 1,2,3,4,5, 6 ( for details, please read
Power On or Off.
Left button on right side: (Only
available while user want to change the set feature .)
Push the left button
once, the leftmost digit of bottom will blink, which indicates it is selected.
This allows changing the corresponding setting. Push the right button to select the desired value. While the display is
still blinking, push left button again , the next digit to the right
will be selected and blink.
While the rightmost digit of
blinking, push the left button one time, quite the set menu and back to the normal
Right button on right side: (Mulriple functions.)
While the display is in normal
state (not blinking), it allows selecting the input source in
decreasing order. One of the following will be displayed:
"1 - AES", for the AES/EBU digital input;
"2 - BNC", for the BNC coaxial digital input; (If update the EC firmware, the 2-BNC is for the external clock input .The
external clock output impedance must be 75 ohms, the supported
output level range is 0.7-3.0V and a 50-ohm BNC cable must be used.)
"3 - RCA", for the RCA coaxial digital input;
"4 - OPT", for the optical digital input; (For the best
sound quality , R-27HE optical input sensitivity rigorous follow the
worldwide standard, it may can't
work well with some models TV, TV box or game box optical outputs
if weaker than standard.)
"5 - IIS", for the HDMI-IIS digital input; (The HDMI-IIS
need the source HDMI-IIS output has the same pin definitions for
compatible and work. It can't work with the TV or computer standard
HDMI output .)
"6 - USB", for the USB digital input. (For Windows , the
computer must install the driver for recognize the device. Mac,
Linux, IOS and Android don't need driver install.)
The leftmost digit on bottom: External
I (Internal) : Selects the
E (External) : Selects the external
The external clock selection is only
possible after a successful clock connection is made, otherwise the
display will show "Fail" on an attempt to select it.
The second and third digit from the left on
bottom: OS and NOS mode select.
While working under
oversampling (OS) mode, the lower the oversampling level is, the
warmer the sound will be. While working under non-oversampling (NOS)
mode , the sound even more warmer and smoother. The possible values are:
N0 : New NOS mode.
N1 : Basic NOS mode.
O2 : 2X oversampling
O4 : 4X oversampling
O8 : 8X oversampling
The 4th digit
on bottom: Simulates the
sound of a turnable
S (Simulate) : Activate
the phono simulation feature, and we recommend to set the DAC on
OS2, NOS0 or NOS1 mode for best results.
n (Non-Simulate) :
Disable the phono simulation.
The 5th digit
on bottom: Display
D (Auto Dark) : Enables the display's
auto-dimming; the display will dim 10 seconds after the buttons are
left untouched, only keeping a LED bar lit to indicate the unit is
turned on. As soon as a button is touched, the display will turn
L (Light) : Disables the display's
auto-dimming, the display will remain on at all time.
HDMI definitions : (Apply
HDMI transmit the IIS signal, the pin's definitions must exact same ,
and not promise compatible with other brands)
Note that this
product does not require the source MCLK signal but if present, it will
simply be discarded.