Operating Manual MU TEC GmbH · Fo n 0049- ( 0) 30- 74 68 80- 0 · c o n t ac t @ m u t ec- n et . co m · www. m u t ec- n et .
Content Safety Instructions...................................................................................................................................................................... 4 Warranty Regulations................................................................................................................................................................. 5 Introduction General Description....................................................................................................
Safety Instructions General Instructions To reduce the risk of fire or electrical shock, do not expose this appliance to rain or moisture, direct sunlight or excessive heat from sources such as radiators or spotlights. No user serviceable parts are inside. Repair and maintenance must be carried out by qualified personnel authorized by MUTEC GmbH! The unit has been designed for operation in a standard domestic environment.
Warranty Regulations §1 Warranty MUTEC GmbH warrants the flawless performance of this product to the original buyer for a period of two (2) years from the date of purchase. If any failure occurs within the specified warranty period that is caused by defects in material and/or workmanship, MUTEC GmbH shall either repair or replace the product free of charge within 90 days. The purchaser is not entitled to claim an inspection of the device free of charge during the warranty period.
Introduction Thank you very much for buying the MC-3+ Smart Clock, a Synchronizable Digital Audio Master Clock Generator, from MUTEC! General Description The new MUTEC MC-3+ Smart Clock is especially designed to improve the acoustical quality of digital audio devices in two ways: At first by clocking external devices with ultra-low jitter Word Clock signals and secondly by aggressively re-clocking incoming digital audio signals.
Introduction Increase of clock signal reliability during live events Multiple clock rate synchronization Peripheral MUTEC Products USB Interfaces MC-1.2 The MC-1.2 is a high-performance USB audio interface which converts between USB, AES3, AES3id and S/P-DIF signals. It enables for the first time bi-directional conversions between USB audio streams, AES3, AES3id and S/P-DIF signals.
Installation Content of the Box Your MC-3+ was packed carefully. Nevertheless we recommend to check the content directly after opening the package: 1 x MC-3+ 1 x Power cable 1 x USB cable 1 x Manual If there are any damages visible, please refer to Safety Instructions and Warranty Regulations for further details. Placing the Device The unit should be set up as closely as possible to the devices to which it will be connected with to avoid excessive cable lengths.
Installation For devices which have no termination of the Word Clock input, e.g. RME Hammerfall with Word Clock i/o, Alesis BRC or M-Audio ProFire Light bridge, you can use an additional BNC-T piece to terminate the input. Plug the T piece with its center connector into the input of the receiving device. Then, connect the cable coming from the Word Clock output to one of the lateral connectors, and the other connector of the BNC-T piece to a 75 Ω resistor forming the BNC termination.
Control Elements and Terminals MC-3+ Front Panel 1 2 3 4 5 6 7 7 7 1 »POWER« This red LED lights up when the unit is switched on with the rear panel power switch. 2 »MENU« Use this key to access the different menus. 3 »SELECT« Use this key to select a function within a specific menu. 4 »MODE« This function menu allows to select the clock references for internal and external synchronization as well as the reference for externally-referenced digital audio re-clocking.
Control Elements and Terminals MC-3+ Rear Panel 1 2 3 4 5 6 7 1 »WCLK OUT 1– 3« These 3 pairs of Word Clock outputs transfer all standard Word Clock rates and Word Clock × 256 for older digidesign ProTools™ systems. Their numbering is aligned to the apropriate menus on the front panel. The individual BNC connectors are pairwise marked as »A« and »B«, which allows for, e.g. simple documentation of the connected devices. The impedances of all connectors are 75 Ω (BNC connectors, female).
Operation General System Operation Operating the MC-3+ is very easy! The device is fully operated using the two keys on the front panel. »MENU« Key Pressing the »MENU« key toggles between different basic function menus, usually between the vertical LED rows. »SELECT« Key Pressing the »SELECT« key activates individual functions within one menu by toggling between the LEDs of one vertical LED row. First press on »MENU« or »SELECT« key enables the last selected function within the last selected menu.
Operation 1) Which operation mode is basically needed? → »MODE« Should my MC-3+ work as clock generator (»INTERNAL«), as clock distributor (»EXTERNAL«) or as audio signal re-clocker (»RE-CLOCK«)? INTERNAL EXTERNAL RE-CLOCK MODE 2) Which reference do I need for my clocking application? → »REFERENCE« WCLK 32.0 10.0M 44.1 S/P-DIF op 48.0 S/P-DIF co 88.2 176.4 192.0 AES3/11 REFERENCE 96.0 INTERNAL + 10.
Operation There are three basic operation modes of your MC-3+ Smart Clock: »INTERNAL« The MC-3+ runs as a clock generator and is locked to its internal ultra-low jitter master clock. The basis clock rate for all outputs is selected in the »REFERENCE« menu under »INTERNAL + 10.0M« (see next page). »EXTERNAL« The MC-3+ is locked to an externally applied reference signal, which can be a Word Clock, a 10.
Operation Selecting References Selection of references is mainly used when the MC-3+ is set under »MODE« to »EXTERNAL« or »RE-CLOCK«. 1 WCLK 32.0 EXTERNAL 10.0M 44.1 RE-CLOCK S/P-DIF op 48.0 x4 S/P-DIF co 88.2 x 256 MODE AES3/11 REFERENCE 96.0 176.4 192.0 2 3 4 5 x1 INTERNAL x2 INTERNAL + 10.0M CLOCK MULTIPLIERS The above setting example shows the MC-3+ locked to an external Word Clock signal.
Operation 1 WCLK 32.0 EXTERNAL 10.0M 44.1 RE-CLOCK S/P-DIF op 48.0 x4 S/P-DIF co 88.2 x 256 MODE AES3/11 REFERENCE 96.0 176.4 192.0 32.0 EXTERNAL 10.0M 44.1 RE-CLOCK S/P-DIF op 48.0 x4 S/P-DIF co 88.2 x 256 MODE REFERENCE 192.0 5 2 3 4 5 x2 INTERNAL + 10.0M An optical S/P-DIF digital audio signal is re-clocked. All outputs provide their signals on the same clock rate like this one of the incoming optical S/P-DIF digital audio signal.
Operation »HOLD« This red LED lights when the external reference clock signal is interrupted or lost. The frequency synthesizer of the MC-3+ keeps generating all output signals continuously, based on the last incoming clock rate. Thus, your studio set-up receives non-interrupted clock supply, regardless if a valid external referecne signal is present, unstable or lost. Re-synchronization is carried out without affecting any of the outputs signals critically.
Appendix Pin Assignment of the Connectors Mains BNC Input/Output for Word Clock, 10.
JP1 Appendix When the MC-3+ Smart Clock is shipped, the BNC-based Word Clock input connector is terminated internally with 75 Ω. Therefore, one jumper is put on two pins - Position 2 - of the 3-pin socket JP1. 1 2 Jumper Position 1 = no Terminaltion For additional information, please refer to page 11 under »Wiring the Interfaces – Word Clock«.
XX XX Appendix Technical Data Word Clock & 10.0 MHz Input (WCLK + 10.0M) Interface 1 x BNC, 200 mV-7 V, unbalanced, input impedance 75 Ω (can be switched off, see Page 18/19) Formats & Resolutions Word Clock, Word Clock × 256, so-called »Super Clock«, 10.0 MHz Supported Sampling Rates 32.0 kHz to 192.0 kHz, 10.0 MHz, AES3 Audio Input (AES3/11 IN) Interface 1 x XLR female, transformer balanced, input impedance 110 Ω, 200 mV–7.
XX XX Appendix Power Supply Type Internal, switching power supply Input Voltage 85 V – 264 V (automatic adjustment), 47 Hz – 440 Hz Power Consumption max. 10 W System Unit Cover Cover Size / Material / Color 196 x 42 x 156 mm w/o connectors (W x H x D), steel sheet 1mm, matte-black powder-coated Front Panel Size / Material 198 x 44 x 4 mm (W x H x D), aluminum, aluminum- or black-colored Weight ~ 1260 g MC-3+ Smart Clock Order Information Front aluminum-colored Item no.
MU TEC GmbH · Fo n 0049- ( 0) 30- 74 68 80- 0 · c o n t ac t @ m u t ec- n et . co m · www. m u t ec- n et .
