Bose ControlSpace ESP-88, Руководство по обслуживанию

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85
TEST PROCEDURES
Item Setting
Frequency 1kHz
Amp23.5dBu
(Nominal +19.5dB)
B/W 22HZ / 22KHz LPF
Filter “A” Weighting
19.5dBu
ATS2 Settings
Test Limits
Perform these tests for channels 1 through 8.
5-2.Gain at 14dB
ESP Setting: Set all channel gains to = 14dB.
(Command on COM = ^BA{1/2}{L/R}14^C)
AMPL(1kHz)
ATS2 Settings
Test Limits
Noise
ATS2 Settings
Test Limits
Perform this test on channels 1 through 8.
Item Upper limit Lower limit
Function(THD+N) 1.5% 0
Item Setting
Frequency 1kHz
Amplitude -10.00dBu
B/W
<10HZ / FS/2
Filter None
Item Upper limit Lower limit
Level +5.5dBu +2.5dBu
Item Setting
Frequency --
Amplitude Off
B/W
22HZ / 22KHz LPF
Filter “A” Weighting
Item Upper limit Lower limit
Level -77dBu -200dBu