NAD Masters Series M2 Benutzeranleitung

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IDENTIFICATION OF CONTROLS
FRONT PANEL
1 STANDBY 
LED: This indicator will light up amber when M2 is in 
standby state. When M2 is at ON state, this indicator will illuminate blue.  
2 STANDBY 
BUTTON: Press this button to switch ON the M2. The 
Standby LED indicator will turn from amber to blue and illuminate the 
VFD. Pressing the STANDBY button again turns the unit back to standby 
mode.
IMPORTANT NOTICE
 
The rear panel POWER switch must be set to ON position for the 
STANDBY button to activate.  After pressing the STANDBY button, there 
will be a delay before the M2 will be completely enabled. Please wait 
until the initial “NAD M2” display in the VFD is extinguished before you 
select any of the source input or features of your M2. 
3  VACUUM FLUORESCENT DISPLAY (VFD): Display visual information 
about the selected source input, menu options, volume level and other 
related information and settings.
4 VOLUME: Use this control to adjust M2’s overall amplification or volume 
level.  Turn clockwise to increase the volume setting; counter clockwise 
to lower it.  The M2 features a “velocity sensing” volume control; rapid 
movement changes the volume in large steps, slow movement increments 
the volume in 0.5dB steps.  The VOLUME knob is also used to select options 
or adjust settings when MENU button is activated. 
5 COAX 
1: Select the source connected to the COAX 1 rear panel 
terminal as the active input. 
6 COAX 
2: Select the source connected to the COAX 2 rear panel 
terminal as the active input.
7 OPTICAL 
1: Select the source connected to the OPTICAL 1 rear panel 
terminal as the active input.
8 OPTICAL 
2: Select source connected to the OPTICAL 2 rear panel 
terminal as the active input.
9 AES/EBU: Select the source connected to the AES/EBU IN rear panel 
connector as the active input.
10 BALANCED: Select the source connected to the BALANCED L and 
BALANCED R rear panel connectors as the active input.
11 SINGLE-ENDED: Select the source connected to the SINGLE-ENDED L 
and SINGLE-ENDED R rear panel terminals as the active input.
12  LOOP (DIGITAL PROCESSOR LOOP): Allow the insertion of external 
digital filters into the signal path.  This is the digital equivalent of the 
analog “Tape Monitor Loop”.  An example on how to take advantage of 
this feature is illustrated below.
a  Connect a digital input to the rear panel’s OPTICAL 1 TosLink optical 
terminal.
b  Connect the rear panel’s OPTICAL LOOP OUT to a compatible 
OPTICAL IN of a Mac or any processor where the signal can be 
subjected to a wide library of crossover filters, equalization or room 
correction programs (Check if your Mac or processor has these 
feature capabilities).
c  Send out the processed signal from your Mac or processor’s 
corresponding Optical Out port into M2’s OPTICAL LOOP IN thereby 
completing the signal loop path.
d  Press front panel’s “loop” button to select your OPTICAL 1’s 
“processed” input signal. When “loop” feature is engaged, “LOOP” will 
be continuously displayed at the lower left corner of the VFD after a 
brief display of sample rate setting of the source.
IMPORTANT NOTICE
 
With “loop” button enabled, there will be no audio output if any 
connection from the above “loop” setup example is “broken” (i.e., no 
connection to OPTICAL OUT, not looped to “OPTICAL LOOP IN”, etc). Press 
“loop” button again to deactivate or turn off the “loop” feature (“LOOP” 
is extinguished in the VFD) thus returning to normal audio listening of a 
selected source input.
NOTE
 
This digital processor loop feature can be applied to all analog and 
digital audio input signal sources (Optical 1-2, Coax 1-2, AES/EBU, 
BALANCED and SINGLE-ENDED).
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