Operation Of The Mc-3+ Smart Clock Usb - Mutec MC-3+ Smart Clock USB Operating Manual

Operation

Operation of the MC-3+ Smart Clock USB

Main Function Menus
The four main function menus provide access to all features of your MC-3+USB.
Select the operational mode of the MC-3+USB via the »MODE« menu. This needs to be selected first. The factory default is
»INTERN«.
The »REFERENCE« menu allows selecting the individual inputs of the MC-3+USB. That means, herewith all possible external
references and the references for synchronous and externally referenced re-clocking may be activated for synchronization. The
factory default is 44.1 kHz.
The »CLOCK « menu allows selecting the basis clock rate for the Word Clock, AES3/11 and S/P-DIF outputs. It is accessible
OUT
when running the MC-3+USB in the »INTERN« mode and when »1–10.0 M« or »USB-PCM and »USB-DSD/DoP« is selected
within the »REFERENCE« menu. The factory default is set to 44.1 kHz.
Additional clock multipliers for each for the two Word Clock pairs and the digital audio outputs may be selected in the
»CLOCK « menu. Their numbering legend is assigned to the output numbers on the rear panel. Select the preferred
MULTIPLIERS
output with the »MENU« key and toggle to the desired multiplier by pressing the »SELECT« key. The factory default is set to x1.
The »STATUS« and »CLOCK
for user adjustments.
Attention
Shut-Down of Outputs
All digital outputs are muted while the function menus are active. After a function has been selected and the corresponding
LED stops flashing, the digital outputs are activated for signal transfer.
User settings
All user function settings will be stored and recalled when the unit is power-cycled.
»INTERN« – Selecting the internal Clock
The MC-3+USB runs as a clock generator and is locked to its internal ultra-low jitter master clock. The base clock rate for all
outputs can be selected in the »CLOCK
INTERN WCLK
USB - PCM
EXTERN 1 – 10.0M
USB - DSD/DoP
RE - CLK S/P - DIF
S/P - DIF
AES3/11id
MODE REFERENCE
The example above shows that the MC-3+USB is locked to its internal ultra-low jitter master clock, which provides a clock
rate of 44.1 kHz to all of the available clock and audio outputs (= factory default). The »CLOCK
base clock rate of all the outputs to frequencies between 32.0 kHz and 192.0 kHz, which will be indicated by one or two LEDs.
The »CLOCK
MULTIPLIERS
AES3/11 (4) outputs as described in the section »Selecting clock multipliers«. The current lock status of the frequency synthesi-
zer for the internal clock rate will be shown in the »STATUS« menu, while the »CLOCK
selected in the »CLOCK
The »REFERENCE« menu is deactivated in »INTERN« mode.
20
« menus serve system status monitoring purposes of the MC-3+USB only. They are not accessible
IN
« menu.
OUT
1 2
× 1
32.0
96.0 × 256
SC
× 2
44.1
× 256
176.4
WC
× 4
48.0
OP
× 512
AES3/11 192.0
× 8
88.2
BNC
CLOCK CLOCK
OUT
« menu provides access to selecting several clock multipliers for the Word Clock (1&2), S/P-DIF (3), and
« menu.
OUT
3 4
LOCK
DSD
MAIN REF
LOCK
DoP
RE-CLK REF
HOLD 64
AUDIO 128
STATUS CLOCK
MULTIPLIERS
1 – 10.0M
32.0
96.0
44.1
176.4
48.0
256 192.0
88.2
IN
« menu allows setting the
OUT
« section reflects the base clock rate
IN