L-Acoustics LA-AES3 Manuel D'utilisation page 21

LA-AES3
aes/ebu input board
USER MANUAL
VERSION 2.0
No sound or unexpected
sound quality
AES/EBU
No
functionalities
available? [7.1]
Yes
No
AES/EBU input
mode selected?
[7.2]
Yes
No
AES/EBU LOCK
message displayed?
[7.2]
Yes
Yes
AES/EBU input
gain too low?
[7.4]
No
No
Expected
sound quality?
Yes
END
LA-AE S3_UM_ML _2.0
Install the latest
FIRMWARE version [6.1.2]
No
Latest
FIRMWARE
version installed?
Yes
[6.1.2]
Select AES/EBU input mode [7.2]
Check the AES/EBU source
(refer to the reminder below).
AES/EBU signal failure
has occurred
Yes
AES/EBU LOCK-WARN
or AES/EBU UNLOCK
message displayed?
Set AES/EBU input gain higher value [7.4]
Contact an L-ACOUSTICS ®
Representative
w w w . l - a c o u s t i c s . c o m
Properly connect the LA-AES3
ribbon cables to the DSP board.
AES/EBU
No
input mode
selectable?
[7.2]
Yes
Yes
Check the AES/EBU source
(refer to the reminder below).
(Apply next step first if the AES/EBU source
can be repaired quickly)
Check level at analog backup source as well as
analog XLR cable connections on both sides
(ANALOG panel, Figure 7).
FALLBACK MODE activated due to
No
AES/EBU signal failure. ANALOG inputs
automatically selected but backup ANALOG
audio source and/or wiring have also failed.
Reminder
Digital audio source requirements:

Standard: AES/EBU (AES3) or coaxial S/PDIF (IEC 60958 Type II).

Sampling frequency: 44.1, 48, 64, 88.2, 96, 128, 176.4, or 192 kHz.

Word length: 16, 18, 20, or 24 bits.
Cables: Refer to [6.2.1] and check the digital XLR wiring on both sides.
Digital signal possible failures: no clock, loss of lock, invalid audio [validity
bit], CRC error, bipolar encoding error, data slip.
No
Both ribbon cables
connected from LA-AES3
board to amplified
controller's DSP board?
[6.1.1, step 6a]
Yes
®
Contact an L-ACOUSTICS
Representative
AN.FBACK
No
LOCK message
displayed?
20 en