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Eventide H7600 User Manual
56
System Sampling Rate and External Sync
Indicator
The System Sampling Rate and External Sync Indicator is
the column of five LEDs immediately to the left of the
display. The top four LEDs indicate reflect the system’s
current sampling rate.
The display will have one of the following states:
Solidly lit –
When one of the top four LEDs is solidly lit, the system sampling rate
is exact (+/- 0.05%). The LED corresponding to the system sampling rate is lit.
Blinking –
When one of the top four LEDs is blinking, the system sampling rate is
between one of the fixed rates
(the LED corresponding to the nearest sampling rate
will blink)
.
If you select one of the fixed rates (
44.1 kHz
,
48 kHz
,
88.2 kHz
, or
96 kHz
), the
LED corresponding to your selection should light solidly.
The bottom LED, EXT, should not light while using the internal clock.
Using an External Clock
When you use an external clock, the system sampling rate for all internal processing
is determined by the external digital signal (including the ADC and DAC). The
external clock’s sampling rate is derived from the digital input. If digital input is
unlocked (not connected to a valid digital source), the external clock is
invalid and
the sampling rate reverts to the last valid internal clock rate.
Selecting the External Clock
The external clock is usually derived from either the S/P DIF input or the
AES/EBU input, depending on the value you assign for the
DIG IN
parameter:
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