Adat Sync; Clock Section - RME Audio M-16 DA User Manual

8.5 ADAT Sync

The key ADAT SYNC determines the signal source of the AD-converters:
ADAT and MADI.
In case MADI has been selected the 4 ADAT SYNC LEDs are turned off.
Each ADAT input has its own SYNC LED. If a valid input signal is applied,
SyncCheck is active automatically. SyncCheck takes the chosen clock
(internal, external, etc.) as reference and compares it with the input clocks.
Inputs which are not synchronous will be signalled by flashing of the cor-
responding SYNC LED.
ADAT 1 is always clock reference.

8.6 Clock Section

The source and frequency of the unit's clock is configured in the CLOCK SECTION. The key
CLOCK lets you step through the options external clock (Word, MADI, ADAT) and internal clock
(44.1 kHz or 48 kHz). The button STATE sets internal, but also the external sample rate to dou-
ble or quadruple of the basic sample rate.
WCK, MADI, ADAT (Slave Mode)
Sets the corresponding input to work as clock
reference. A missing or invalid clock source signal
is indicated by flashing of the corresponding LED.
44.1, 48 (Master Mode)
Activates the internal clock with a sample rate of
44.1 kHz or 48 kHz.
DS, QS
With the DS LED additionally lit, the sample rate
will be 88.2 or 96 kHz, with QS lit it will be 176.4
or 192 kHz.
A selection of DS and QS is also possible when using external clock (Slave). If the M-32 DA
should operate at 192 kHz, but receives a synchronous word clock of 48 kHz, the button STATE
activates DS or QS mode. This way, AD-conversion and digital outputs are configured to oper-
ate in the frequency ranges Single Speed, Double Speed or Quad Speed.
User's Guide M-32 DA © RME
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