Bose FreeSpace E-4 Owner's Manual page 3

8.4 Common problems . . . . . . . . . . . . . . . . . . . . . . 67
8.4.1 Communications port error . . . . . . . . . . . 67
8.4.2 No audio in zone . . . . . . . . . . . . . . . . . . . 67
8.4.3 User interface keypads do not
operate correctly . . . . . . . . . . . . . . . . . 68
8.4.4 Bad sound in a zone . . . . . . . . . . . . . . . . . 68
8.4.5 User interface selects
unassigned sources . . . . . . . . . . . . . . 69
8.4.6 Auto Volume does not calibrate . . . . . . . . 69
8.4.7 All front panel LEDs are amber . . . . . . . . . 69
8.5 Customer support . . . . . . . . . . . . . . . . . . . . . . . 69
8.5.1 Technical assistance . . . . . . . . . . . . . . . . 69
8.5.2 Reporting software bugs and issues . . . . 70
9.0 Upgrading E-4 Microcontroller Code . . . . . . . . . . . 71
10.0 Technical Specifications . . . . . . . . . . . . . . . . . . . . 73
10.1 Power amplifier . . . . . . . . . . . . . . . . . . . . . . . . 73
10.2 Digital signal processing . . . . . . . . . . . . . . . . . 73
10.3 Front panel indicators and
control connections . . . . . . . . . . . . . . . . . . . . . 73
10.4 Rear panel inputs, outputs, and controls . . . . 73
10.5 E-4 system serial data commands . . . . . . . . . 74
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