Nexo NXAMP - Manuel (Page 5)

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PAGE
5
INSTRUCTIONS DE SECURITE IMPORTANTES
M UTE /S OLO BUTTONS .............................................................................................................................................................18
D ISPLAY & I NDICATORS ..........................................................................................................................................................18
C ONTRAST ADJUSTMENT .........................................................................................................................................................18
S ERIAL LINK / D OWNLOADER ..................................................................................................................................................18
MENU DESCRIPTION .......................................................................................................................................................19
M AIN F AMILY S ELECTION ....................................................................................................................................................19
U SER SETTINGS ......................................................................................................................................................................19
S YSTEM SETTINGS ..................................................................................................................................................................22
C ONFIGURATION SELECT . .....................................................................................................................................................23
AMPLIFIERS (GAIN, POWER)........................................................................................................................................25
P OWER ...................................................................................................................................................................................25
C URRENT RATING ..................................................................................................................................................................25
A MPLIFIER GAINS ..................................................................................................................................................................25
H OW TO SET CORRECT GAIN AND POWER INFORMATION IN THE NX242 .............................................................................25
G AIN VALUE ...........................................................................................................................................................................28
A DVANCED PROTECTIONS .....................................................................................................................................................28
A MPLIFIER L ATENCY EFFECTS ON PROTECTION ..................................................................................................................28
INSTALLATION RECOMMENDATIONS......................................................................................................................29
A UDIO C HAIN R ECOMMENDATIONS ......................................................................................................................................29
A BOUT « L OUDSPEAKER M ANAGEMENT D EVICES » ...............................................................................................................29
O PERATING SUB’ S FED THROUGH AN A UX O UTPUT ...............................................................................................................29
O PERATION OF M ULTIPLE TD CONTROLLERS ...........................................................................................................................29
S YSTEM ALIGNMENT ..............................................................................................................................................................29
G EOMETRICAL ALIGNMENT .....................................................................................................................................................30
M EASURING AND ALIGNING PHASE IN THE OVERLAPPING REGION ...........................................................................................30
NEXO WINDOWS LOADER.............................................................................................................................................32
W ARNING ...............................................................................................................................................................................32
C ONNECTION FROM NX242 RS232 9-P IN S ERIAL P ORT TO PC’ S COM PORT ...................................................................32
I NSTRUCTIONS ........................................................................................................................................................................32
TECHNICAL SPECIFICATIONS .....................................................................................................................................34
APPLICATION NOTE : DRIVING THE SUB FROM THE AUX SEND.....................................................................35
W HAT IS THE PHASE RELATION BETWEEN THE AUX AND MAIN OUTPUT OF YOUR D ESK ? .....................................................35
W HY IT IS UNLIKELY THE AUX AND MAIN HAVE THE SAME PHASE ? .....................................................................................35
C ONSEQUENCES OF BADLY ALIGNED SYSTEMS ........................................................................................................................35
P RECAUTIONS & CHECK ..........................................................................................................................................................36
APPENDIX A : LIST OF SUPPORTED PRESETS (LOAD2.22)..................................................................................37
USER MANUAL LOAD2_22
DATE: 03/12/2004