Appendix; Error Messages; Specifications - Yamaha AD824 Owner's Manual

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Appendix

Appendix

Error Messages

The AD824 performs several diagnostic checks when it's turned on. If a problem is
detected, one of the following error codes appears briefly on the GAIN display.
E1 —Internal backup-battery voltage low.
E2 —Internal memory data corrupt.
E3 —Internal backup-battery voltage low and internal memory data corrupt.
Specifications
Sampling rate
AD conversion resolution
Frequency response
Dynamic range
Gain error
2
THD
Hum & noise level
Equivalent input noise
Crosstalk
Signal delay
Phantom power
Channel indicators
Other indicators
Gain display
AD824—Owner's Manual
MY8-AE, MY8-TD
MY8-AT
1
1
1
PEAK
NOMINAL
SIGNAL
+48V
SEL
Wordclock
+48V MASTER
POWER
39.69–50.88 kHz
41.013–50.88 kHz
24-bit linear, 128-times oversampling
–1.5, +1 dB, 20 Hz–20 kHz, GAIN +10 dB
–3, +1 dB, 20 Hz–20 kHz, GAIN –62 dB
110 dB (typical), GAIN +10 dB
±1 dB @ 1 kHz, GAIN –62 dB to +10 dB
0.1%, 4 dB output @ 20 Hz–20 kHz, GAIN –62 dB
0.05%, full scale output @ 1 kHz, GAIN –62 dB
0.05%, 4 dB output @ 20 Hz–20 kHz, GAIN +10 dB
0.01%, full scale output @ 1 kHz, GAIN +10 dB
–92 dB (typical), Rs = 150
–62 dB, Rs = 150 , GAIN –62 dB
–128 dB, Rs = 150 , GAIN –62 dB
–70 dB between adjacent channels @ 1 kHz
0.85 ms (analog input to digital output, fs = 48 kHz)
+48 V
3 dB below full scale
14 dB below full scale
34 dB below full scale
Phantom power on/off
Channel select
44.1kHz, 48kHz, BNC, SLOT
Phantom power master on/off
Power on/off
3-digit, 7-segment LED
, GAIN +10 dB