Mutec SMART DIGITAL SMART CLOCK Manuale utente

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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 in-

side. 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. Do NOT expose the unit

and its accessories to rain, moisture, direct sunlight or excessive heat produced by such heat sources as

radiators or spotlights! The free flow of air inside and around the unit must always be ensured.

Initial operation

Prior to the initial operation of the unit, the appliance, its accessories and packaging must be inspected

for any signs of physical damage that may have occurred during transit. If the unit has been damaged

mechanically or if liquids have been spilled inside the enclosure, the appliance may not be connected

to the mains or must be disconnected from the mains immediately! If the unit is damaged, please do

NOT return it to MUTEC GmbH, but notify your dealer and the shipping company immediately, other-

wise claims for damage or replacement may not be granted. If the device is left in a low-temperature

environment for a long time and then is moved to a room-temperature environment, condensation

may occur on the inside and the exterior. To avoid short-circuits and flashovers, be sure to wait one or

two hours before putting the device into operation.

Power supply

The unit has been designed for operation in a standard household environment. Before you attempt

to operate the unit, please make sure that your local voltage matches the voltage required by the unit!

In addition, make sure that the device is properly grounded via the local electric installation!

Continent Mains voltage + Frequency Mains fuse

Europe 220V - 230V, 50Hz 230V

USA, Canada, Japan 115V, 60Hz 115V

Australia 240V, 50Hz 230V

The fuse holder can be found on the rear of the unit, just below the compartment marked »230 V (115

V)«. Use the fuse holder to adjust the required mains voltage. Ex factory, the unit is normally equipped

with a 230-V mains fuse. If the unit needs to be adjusted to 115 V, the fuse must be replaced as de-

scribed in the appendix section »Replacing the mains fuse«.

Please use the enclosed power cord (see packaging) to connect the unit to the mains. Switch the unit

off before you attempt to connect it to the mains. Connect the power cord to the unit, then to a stand-

ard 3-pin mains outlet. To draw the power cord, never pull on the cable but on the mains plug! For

information on the power-inlet wiring, refer to the »Wiring of connectors« section in the appendix.

Disconnect the device from the mains when not using it for an extended period!

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. If the warranty claim proves to be justified, the product

will be returned freight prepaid by MUTEC GmbH within Germany. Outside Germany, the product will be returned with the additional international freight charges payable

by the customer. Warranty claims other than those indicated above are expressly excluded.

§2 Warranty transferability

This warranty is extended exclusively to the original buyer who bought the product from a MUTEC GmbH specialized dealer or distributor, and is not transferable to anyone

who may subsequently purchase this product. No other person (retail dealer, distributor, etc.) shall be entitled to give any warranty promise on behalf of MUTEC GmbH.

§3 Waranty regulations

The return of the completed registration card, or online registration on one of the websites specified below, is a condition of warranty. Failing to register the device before

returning it for repair will void the extended warranty.

The serial number on the returned device must match the one stated on the registration card or entered during online registration. Otherwise, the device will be

returned to the sender at the senders expense.

Any returned device must be accompanied by a detailed error description and a copy of the original sales receipt issued by a MUTEC dealer or distributor.

The device must be returned free of shipping expenses and in the original package, if possible; otherwise, the sender has to provide comparably protective packaging.

The sender is fully responsible for any damage or loss of the product when shipping it to MUTEC GmbH.

§4 Limitation of warranty

Damages caused by the following conditions are not covered by this warranty:

Damages caused by every kind of normal wear and tear (e.g. displays, LEDs, potentiometers, faders, switches, buttons, knobs, connecting elements, printed labels, cover

glasses, cover prints, and similar parts).

Functional failure of the product caused by improper installation (please observe CMOS components handling instructions!), neglect or misuse of the product, e.g.

failure to operate the unit in compliance with the instructions given in the user or service manuals.

Damage caused by any form of external mechanical impact or modification.

Damage caused by the users failure to connect and operate the unit in compliance with local safety regulations.

Damage caused by force majeure (fire, explosion, flood, lightning, war, vandalism, etc.).

Consequential damages or defects in products from other manufacturers as well as any costs resulting from a loss of production.

Repairs carried out by personnel which is not authorized from MUTEC GmbH will void the warranty. Adaptations and modifications to the device made with regard to

national, technical, or safety regulations in a country or of the customer do not constitute a warranty claim and should be set with MUTEC GmbH in advance.

§5 Repairs

To obtain warranty service, the buyer must call or write to MUTEC GmbH before returning the unit. All inquiries must be accompanied by a description of the problem and

the original buyers invoice. Devices shipped to MUTEC GmbH for repair without prior notice will be returned to the sender at the senders expense. In case of a functional

failure please contact:

MUTEC Gesellschaft fuer Systementwicklung und Komponentenvertrieb mbH

Siekeweg 6/8  12309 Berlin  Fon 030-746880-0  Fax 030-746880-99  [email protected]

MUTEC GmbH assumes no liability for any incorrect information given in this manual. Please note that

all software/hardware product names are registered trademarks of their respective owners. No part of

this manual may be reproduced, copied or converted to a machine-readable form or electronical media

without a written permission of MUTEC GmbH. We reserve the right to change or improve our products

without notice. © MUTEC GmbH 2002

Declaration of Conformity

We herewith confirm that the product complies with the European

Commissions standards on electromagnetic compatibility.

Interference emission: EN 50081-1, 1992

Resistance to interference: EN 50082-1, 1992

Presupposed as operation condition is that all clock outputs are con-

nected with high-quality and good shielded BNC 75 ohms cable.

This symbol, an exclamation mark inside a triangle,

alerts you to important operating or safety instructions

in this manual.

RISK OF

ELECTRICAL SHOCK!

CAUTION

This symbol, a flash of lightning inside a triangle, alerts

you to the presence of uninsulated dangerous voltage

inside the enclosure - voltage that may be sufficient to

constitute a risk of shock.

CONTENT

INTRODUCTION

General Function Description . . . . . . . . . . . . . . . . . 7

Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . 8

CONTROL ELEMENTS

SMART CLOCK Front Panel. . . . . . . . . . . . . . . . . . . 9

SMART CLOCK Rear Panel . . . . . . . . . . . . . . . . . . . 10

INSTALLATION

Content of the Box . . . . . . . . . . . . . . . . . . . . . . . 11

Placing the Device . . . . . . . . . . . . . . . . . . . . . . . 11

Wiring the Word Clock and Video Interfaces . . . . . . . . . 11

Wiring the AES/EBU and S/PDIF Interfaces . . . . . . . . . . 12

OPERATION

Selecting the Basic Clock Frequency. . . . . . . . . . . . . . 13

Selecting the Front-Panel Output Signal . . . . . . . . . . . 13

Selecting the Rear-Panel Output Signal. . . . . . . . . . . . 13

Output of PAL/NTCS Video Signals . . . . . . . . . . . . . . 14

Selecting Pull-Up/Pull-Down Factors . . . . . . . . . . . . . 14

Output of Blank-frame Signals . . . . . . . . . . . . . . . . 15

Delay-compensated Output of Clock Signals . . . . . . . . . 15

STATUS Area . . . . . . . . . . . . . . . . . . . . . . . . . . 15

APPENDIX

Pin Assignment of the Connectors . . . . . . . . . . . . . . 17

Replacing the Mains Fuse . . . . . . . . . . . . . . . . . . . 17

Switching over of Rear-Panel Output Signals . . . . . . . . 18

Setting the Video Generator. . . . . . . . . . . . . . . . . . 18

Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . 20

Adjustable Word Clock Rates . . . . . . . . . . . . . . . . . 21

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INTRODUCTION

Thank you for purchasing a SMART CLOCK or SMART CLOCK av Digital Audio

& Video Sync Master Clock Generator from MUTEC GmbH.

Please keep this manual for future reference, as it also contains the

functional description of the optional Video Expansion (P/NVSG-01) for the

SMART CLOCK!

General Function Description

The SMART CLOCK and SMART CLOCK av generate different clock signals

for the synchronization of digital audio devices such as hard-disk recorders,

audio workstations, digital mixing consoles, AD/DA converters, musical

instruments and sound cards. Simultaneous use of Word Clock, Word

Clock x 256, PAL/NTSC video, AES/EBU and S/PDIF clock signals enables each

device in the recording studio to be individually synchronized. In addition,

different Word Clock rates can be simultaneously output on the basis of

common clock frequencies. Thus, new devices with higher clock rates may

be integrated into an existing studio set-up without difficulty. It is also

possible to supply various workstations in the same room with different

clock rates.

The SMART CLOCKs offer nine different audio-related Word Clock

frequencies ranging from 32.0kHz to 192.0kHz, which are then

independently distributed to eight clock outputs with multipliers x1, x2

and x4. For the synchronization of ProTools systems, six Word Clock

frequencies from 32.0kHz to 96.0kHz can be transferred as Word Clock x256

(also called Super Clock).

The video reference generator (standard with SMART CLOCK av, optional

with SMART CLOCK) produces PAL or NTSC video sync-signals such as black

+ burst or composite sync. All the usual pull-up and pull-down frequencies

can be produced for film-to-video transfer (SMART CLOCK av only).

The design advantage of the SMART CLOCK is its high-precision frequency

generator, from which all clock signals are simultaneously derived. As a

result, the individual clock signals generated are synchronized to each other

in phase, and hence feature the same frequency accuracy and time base!

The frequency generation is accurate to < ± 1ppm and thus complies with

AES 11, Grade 1 as well as broadcast specifications.

For larger equipment set-ups, which require more clock outputs than are

provided by the SMART CLOCK/ -av, MUTEC offers a complementary Word

Clock signal distributor (DISTRIBUTOR ws) and an AES/EBU signal distributor

(DISTRIBUTOR ae). To provide a delay-compensated feed signal for these

distributors, each Word Clock and AES/EBU output on the SMART CLOCK/

-av can be set to transmit the internal SMART BUS signal. Thus, the signals

delivered by the SMART CLOCK and by the distributors are phase-synchro-

nized and time-coherent (!), even though the devices are wired in series.

Features

Generation of nine Word Clock frequencies ranging from

32.0kHz to 192.0kHz.

Basic clocks can be output with factors x1, x2, x4 and x256.

Simultaneous output of different clock rates.

Frequency accuracy in compliance with AES11, Grade 1.

Output signals contain extremely low jitter.

Generation of PAL or NTSC video signals (optional for SMART CLOCK

with P/NVSG-01 Module).

Output of PAL/NTSC video signals as composite sync or black + burst

(optional for SMART CLOCK with P/NVSG-01 Module).

Generates all so-called pull-up and pull-down frequencies for film-to-

video transfer: +0.1%, -0.1%, +4.166%, -4.0% (only for SMART CLOCK av).

Phase-synchronized generation of S/PDIF and AES/EBU blank frames.

Delay-compensated feed signals from MUTECs DISTRIBUTOR ws and

DISTRIBUTOR ae.

Frequency selection is retained after power-down.

Boxes which contain a triangle

with an exclamation mark in the

inside should be read carefully!

These include additional information which

are of major importance for the functional

descriptions in the text column.

The grey boxes contain supplementary

informationen for the corresponding

sections in the text columns. The content of

the individual box refers to the description

in the text column beside the box.

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Applications

A / V synchronization

Low-jitter clock signal distribution

Multiple clock rate synchronization

Film, video and audio transfers

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CONTROL ELEMENTS

SMART CLOCK Front Panel

1 POWER

This red LED lights up when the unit is switched on with the rear-panel

POWER switch (on condition that the adjusted voltage matches your local

voltage).

2 x1, x2, x4

This switch determines the multiplication factor for the basic clock rate, as

described in 3.

3 WC SELECT

The basic clock rate for all Word Clock and blank-frame signals can be set

here. The LEDs next to them display the choice made.

4 GENERATED FQ

These five LEDs display the clock rates described in 2 + 3.

5 STATUS

These two LEDs display the operating status of the internal reference

oscillator (OSCILLATOR ACTIVE) as well as the video generator

(VID GEN. INSTALLED).

6 (SMART CLOCK av only)

This enables you to change the sign of the pull-up and pull-down

frequencies with reference to the percentage of deviation from the basic

clock rate, described in 7.

7 4.16; 4.0; 0.1; 0% (SMART CLOCK av only)

These pull-up/pull-down factors set the percentage of deviation with

reference to the basic clock rate.

8 x1, x2, x4

This switch determines the factor by which the basic clock rate described in

2 and 3 is multiplied additionally. This setting refers exclusively to the signal

output for the outlets on the front panel.

9 VIDEO; x 256; WC

The signal to be transferred for the front-panel clock outlets is selected

here.

10 WC; VIDEO

These interfaces transfer either Word Clock, Word Clock x 256 or PAL/NTSC

video signals. The output impedances are 75 Ω (BNC connectors).

Refer to the OPERATIONS chapter for more

information.

432 5 7 8 9 101

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1 WC / SC /VIDEO OUT

These interfaces transmit either Word Clock, Super Clock or PAL/NTSC

Black + Burst signals. For each pair of outputs located one above the other,

you can select the transmitted signal by means of an internal slide switch.

The output impedances are 75 Ω (BNC connectors).

2 S/PDIF OPT OUT

This interface transmits a digital optical S/PDIF blank-frame signal, in compli-

ance with the specifications of IEC 60958 (Toshiba Toslink connectors, EIAJ

standard).

3 S/PDIF COAX OUT

This interface transmits an unbalanced electrical S/PDIF blank-frame signal,

in compliance with the specifications of IEC 60958 (cinch connectors). The

output impedance is 75 Ω.

4 AES/EBU SYNC OUT

This interface transmits a balanced electrical AES/EBU blank-frame signal, in

compliance with the specifications of

AES3-1992 (R1997). The output impedance is 110 Ω (XLR connector, male).

5 230V (115V)

This compartment houses the mains fuses, which must be inserted in

accordance with the local voltage used for operating the unit! See also the

safety instructions, in particular, the chapter OPERATION, and the section

»Replacing the Mains Fuse« in the appendix.

6 POWER switch

Mains power switch. Be sure to connect the unit properly to the mains by

using the enclosed power cord and select the country-specific mains voltage

by inserting a mains fuse of the correct type and rating before you attempt

to operate the unit. Please read the safety instructions.

7 Mains connector

Use this receptacle to connect the enclosed power cord. Be sure to set the

POWER switch to OFF and insert a mains fuse of the correct type and rating

before you connect the power cord to the unit and/or wall outlet.

For detailed specifications on all terminals,

refer to the PIN ASSIGNMENT OF THE

CONNECTORS and TECHNICAL DATA sections

in the appendix.

SMART CLOCK Rear Panel

432 5 71

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