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Manual SDs-01 E 3.2.2003 18:26 Uhr Seite 12

MC-3 + MC-3.1 AUDIO CLOCK SETTINGS

CLK BASIS

Within this function menu you may select the required basis clock (CLK)

frequency for your studio set-up. This selection serves as the basic setting

for all WCLK output pairs as well as the AES/EBU and S/PDIF outputs. There

are 7 different basis clock rates adjustable by pressing the SELECT key for

different times. The LEDs display the selected clock rate as follows:

The factory default is set at 44.1kHz.

CLK MULTIPLIERS

These multiply functions are separately available for all 4 Word Clock

output pairs as well as for the AES/EBU and S/PDIF outputs. Their

numberings are aligned to the output numbers. Select the prefered output

with the MENU key and choose the needed multiply factor by pressing the

SELECT key accordingly. The factory default is set to x 1.

CLK multipliers 1 – 4

For every of these Word Clock output pairs are 4 multipliers available:

x 1, x 2, x 4, x 256

The multiply functions »x 1, x 2, x 4« multiply all available basis clocks up to

the highest possible Word Clock rate of 768.0kHz (192.0kHz basis clock x 4).

The function »x 256« multiplies only the basis clocks 44.1kHz and 48.0kHz

to output the so-called Super Clock rates necessary for older digidesign

ProTools™ MX systems. If a different basis clock is selected, the »x 256«

function is not acceccible.

The factory default is set at x 1.

CLK multiplier 5

For the AES/EBU output pair are 3 multiply functions available:

x 1, x 2, x 4

Due to the maximum possible AES/EBU clock frequency of 192.0kHz, the

functions of these multipliers are dependent on the adjusted basis clock.

Example 1

The basis clock runs at 32.0kHz, 44.1kHz or 48.0kHz:

x 1: AES/EBU outputs run at 32.0kHz, 44.1kHz or 48.0kHz

x 2: AES/EBU outputs run at 64.0kHz, 88.2kHz or 96.0kHz

x 4: AES/EBU outputs run at 128.0kHz, 176.4kHz or 192.0kHz

Example 2

The basis clock runs at 88.2kHz or 96.0kHz:

x 1: AES/EBU outputs run at 88.2kHz or 96.0kHz

x 2: AES/EBU outputs run at 176.4kHz or 192.0kHz

x 4: AES/EBU outputs run at 176.4kHz or 192.0kHz

Example 3

The basis clock runs at 176.4kHz or 192.0kHz:

x 1: AES/EBU outputs run at 176.4kHz or 192.0kHz

x 2: AES/EBU outputs run at 176.4kHz or 192.0kHz

x 4: AES/EBU outputs run at 176.4kHz or 192.0kHz

The factory default is set at x 1.

32.0 kHz 44.1 kHz 48.0 kHz 88.2 kHz 96.0 kHz

176.4 kHz 192.0 kHz

CLK MULTIPLIERS

CLK BASIS