User ManualTable of ContentsFreeSpace® 4400 Introduction51.1 The Bose® FreeSpace® 4400 Business Music System51.2 FreeSpace 4400 system accessories51.3 FreeSpace 4400 Installer™ software6Designing with the FreeSpace® 4400 System72.1 Introduction72.2 Basic design steps72.2.1 Step 1 - Determine source routing72.2.2 Step 2 - Determine Auto Volume requirements72.2.3 Step 3 - Determine volume control requirements102.2.4 Step 4 - Determine the loudspeaker requirements102.2.5 Step 5 - Determine the FreeSpace® 4400 requirements112.3 Auto Volume layout examples12FreeSpace® 4400 Hardware Description153.1 Front panel153.1.1 Controls153.1.2 Indicators153.2 Rear panel163.2.1 System controls163.2.2 Audio source inputs163.2.3 Amplifier outputs163.2.4 AC power16Hardware Installation174.1 Introduction174.2 Included accessories174.3 Placement guidelines174.4 Shelf mounting the FreeSpace 4400 system174.5 Rack mounting the FreeSpace 4400 system184.6 Installing accessories194.6.1 Sensing microphones194.6.2 Auto volume microphone inputs194.6.3 User interfaces194.6.4 User interface connections214.7 System wiring224.7.1 Serial data communications224.7.2 Remote standby switch224.7.3 LINE 1/LINE 2 source input234.7.4 AUX MIC/LINE 3 source input234.7.5 PAGE/MIC/LINE 4 source input244.7.6 DIRECT IN/CONTROL source input244.7.7 Amplifier ZONE OUTPUT outputs254.7.8 Output voltage setting (70/100V)254.7.9 ZONE 4 LINE OUT output264.8 AC power connections264.8.1 Fuse type264.8.2 AC POWER connection26Using FreeSpace® 4400 Installer™ Software275.1 Installing the software275.2 Connecting to the FreeSpace 4400 system275.2.1 No hardware detected295.2.2 Incompatible microcontroller code295.2.3 Sample design files295.3 The FreeSpace 4400 Installer™ software user interface305.4 Set Up Hardware mode325.5 Set Up Schedule mode335.5.1 Setting the clock345.5.2 Adding events345.5.3 Viewing and changing event settings355.5.4 Removing events from the list355.6 Service Hardware mode36FreeSpace® 4400 System Setup376.1 Introduction376.2 Connecting your PC to a FreeSpace 4400 system376.3 System setup procedure386.3.1 Output gain386.3.2 Zone setup396.3.3 Input gain406.3.4 Source assign426.3.5 Source EQ436.3.6 Page setup436.3.7 Zone EQ456.3.8 Dynamic EQ466.3.9 Auto Volume46User Interface Operation527.1 Enabling keypad operation527.2 Turning the system on527.3 AVM user interface operation527.4 Page user interface operation54FreeSpace® 4400 System Troubleshooting558.1 Introduction558.2 FreeSpace 4400 hardware indicators558.2.1 Normal operation558.2.2 System fault558.2.3 Amplifier fault568.2.4 Input clipping578.2.5 Direct input is active578.2.6 No STANDBY and SYSTEM indicators578.3 FreeSpace® 4400 system Error Log588.3.1 Contents of the Error Log588.3.2 Hardware configuration588.3.3 Power-on self-test results588.3.4 Amplifier alarms598.3.5 Solving faults reported in the Error Log608.4 Common problems618.4.1 Communications port error618.4.2 No audio in zone618.4.3 User interface keypads do not operate correctly628.4.4 Bad sound in a zone628.4.5 Auto Volume does not calibrate638.5 Customer support638.5.1 Technical assistance638.5.2 Reporting software bugs and issues63Restoring FreeSpace® 4400 Microcontroller Code65Technical Specifications6710.1 Power amplifier6710.2 Digital signal processing6710.3 Front panel indicators and control connections6710.4 Rear panel inputs, outputs, and controls6710.5 FreeSpace 4400 system serial data commands67Size: 6.27 MBPages: 70Language: EnglishOpen manual