L-Acoustics LA8 - Document Navigation

LA8_UM_EN_4-0
w w w . l - a c o u s t i c s . c o m
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7 OPERATION 25
7.1 On/Off switch ........................................................................................................................................................ 25
7.2 Display ................................................................................................................................................................... 26
7.2.1 Main screen ............................................................................................................................................ 26
7.2.2 Output signal display .............................................................................................................................. 27
7.2.3 L-NET LED ............................................................................................................................................ 27
7.3 User interface ........................................................................................................................................................ 28
7.3.1 Quick access .......................................................................................................................................... 28
7.3.2 Main menu ............................................................................................................................................. 30
7.4 LOAD PRESET ...................................................................................................................................................... 31
7.5 STORE PRESET ..................................................................................................................................................... 32
7.6 DELETE PRESET ................................................................................................................................................... 33
7.7 PRESET PARAMETERS ......................................................................................................................................... 34
7.8 CLEAR GROUP PARAMETERS ............................................................................................................................. 35
7.9 OPTIONS .............................................................................................................................................................. 36
7.9.1 NETWORK ADDRESS control .............................................................................................................. 37
7.9.2 INPUT MODE control ........................................................................................................................... 37
7.9.3 FALLBACK MODE control .................................................................................................................... 39
7.9.4 AES/EBU IN GAIN control .................................................................................................................... 40
7.9.5 DELAY UNIT control ............................................................................................................................ 40
7.9.6 OUT CH TEMP information.................................................................................................................. 40
7.9.7 SPK HANDLING information ................................................................................................................ 40
7.9.8 SCREEN CONTRAST control ............................................................................................................... 41
7.9.9 MAC ADDRESS information .................................................................................................................. 41
7.9.10 FIRMWARE VERSION information ........................................................................................................ 41
7.9.11 PRESET VERSION information .............................................................................................................. 41
7.9.12 DISPLAY VERSION information ............................................................................................................ 41
8 CARE AND MAINTENANCE 42
8.1 Maintenance information ....................................................................................................................................... 42
8.2 Authorized service procedure ............................................................................................................................... 43
8.2.1 Replacement kits .................................................................................................................................... 43
8.2.2 Front FRAME and FOAM FILTER .......................................................................................................... 43
8.3 Troubleshooting .................................................................................................................................................... 44
8.3.1 Malfunction message displayed on screen .............................................................................................. 44
8.3.2 No power, no sound, or sound level too low ........................................................................................ 46
8.3.3 No DIGITAL input signal ........................................................................................................................ 47
8.3.4 Unexpected sound quality ..................................................................................................................... 48
8.3.5 Overheating ........................................................................................................................................... 48
9 SPECIFICATIONS 49
10 APPENDIX: PROTECTION SYSTEMS 50
10.1 Amplified controller protection systems ............................................................................................................... 50
10.1.1 Thermal Protection ................................................................................................................................ 50
10.1.2 Mean Over-Current Protection - Fuse Protection ................................................................................ 50
10.1.3 DC Protection ........................................................................................................................................ 50
10.1.4 Mains supply Under & Over-voltage Detection ..................................................................................... 50
10.1.5 Mains supply Failure Detection .............................................................................................................. 50
10.1.6 Peak Over-Current Protection .............................................................................................................. 50
10.2 L-DRIVE transducer protection system ................................................................................................................. 50