Bose FreeSpace E-4 Owner's Manual

Text of Bose FreeSpace E-4 User Guide:

• Bose FreeSpace E-4, 2 of 80 DECLARATION OF CONFORMITY We, the offerer: Bose Corporation The Mountain Framingham, MA 01701-9168 USA acknowledge our sole responsibility, that the product, Kind of equipment: Amplifier Type designation: FreeSpace ® E4 Series II business music system in accordance with EMC Directive 89/336/EEC and Article 10(1) of the Directive, is in compliance with the following norm(s) or document(s): Technical Regulations: EN 55103-1(E2)/EN 55103-2(E2) Report Number: EMC.N9C.02.170.1 Test laboratory: Bose Corporation 1 New York Avenue Framingham, MA 01701 USA and i

• 11 of 80 Contents 1.0 E4 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1.1 The Bose ® FreeSpace ® E4 Series II business music system . . . . . . . . . . . . . . . . . . . . . . . . 13 1.2 E4 system accessories . . . . . . . . . . . . . . . . . . . 13 1.3 FreeSpace Installer™ software . . . . . . . . . . . . . 14 2.0 Designing wi

• 12 of 80 Contents 8.4 Common problems . . . . . . . . . . . . . . . . . . . . . . 68 8.4.1 Communications port error . . . . . . . . . . . 68 8.4.2 No audio in zone . . . . . . . . . . . . . . . . . . . . 68 8.4.3 User interface keypads do not operate correctly . . . . . . . . . . . . . . . . . 69 8.4.4 Bad sound in a zone . . . . . . . . . . . . . . . . . 69

• Bose FreeSpace E-4, 62 of 80 8.0 E4 System Troubleshooting 8.1 Introduction This section provides troubleshooting guidelines to use for solv- ing any problems you may encounter while installing and servic- ing E4 systems. 8.2 E4 hardware indicators 8.2.1 Normal operation These are the indications of normal operation. 8.2.2 System fault A red SYSTEM STATUS LED indicates that the E4 received an error from one of its many internal components. A red SYSTEM STATUS LED after AC power is switched on may be caused by: • A Power-On Self-Test failure •A DSP error •The DSP is offline To determine the severity of the

• Bose FreeSpace E-4, 63 of 80 8.0 E4 System Troubleshooting 8.2.3 Amplifier fault The AMP OUTPUT LEDs work in pairs (1 and 2, 3 and 4) and indi- cate the operating status of the four amplifier output channels. When an amplifier fault occurs, the amplifier mutes its outputs and indicates an error. After a short period of time the amplifier will try to operate again. If the fault condition persists, the ampli- fier will attempt to restart six times, after which it will remain muted. Amplifier faults are typically caused by a shorted speaker line, an overdriven amplifier, or a saturated output transformer. • To check for a shorted speaker line, remove the speaker con- nection from the amplifier channel. If th

• Bose FreeSpace E-4, 64 of 80 8.0 E4 System Troubleshooting 8.2.4 Input clipping If clipping is occurring at the input of an amplifier channel, the source LED will blink red. If this fault occurs: • Reduce the output gain of the source, or •Using the Installer™ software, reduce the input gain for the channel that is clipping. 8.2.5 Direct input is active If the DIRECT INPUT LED is red: • Check that the DIRECT INPUT/CONTROL contact closure is in the closed position. • Check the device to which this input is connected. 8.2.6 No STANDBY

• Bose FreeSpace E-4, 65 of 80 8.0 E4 System Troubleshooting 8.3 FreeSpace ® E4 system Error Log The FreeSpace E4 system Error Log is displayed when the Installer™ software is in the Service Hardware mode. 8.3.1 Contents of the Error Log The Error Log displays E4 system hardware version numbers and records all alarms and their causes as shown in the following example. 8.3.2 Hardware configuration The E4 system hardware version numbers appear at the top of the Error Log listing. These are the version numbers of the soft- ware in

• 66 of 80 8.0 E4 System Troubleshooting 8.3.4 Amplifier alarms Each amplifier section monitors its own operation and perfor- mance. If a fault condition occurs, it is reported in the Amplifier Alarm section of the Error Log. Upper amplifier alarms affect channels 1 and 2, and Lower amplifier alarms affect channels 3 and 4. The amplifier section of the alarm log indicates the following: • Ala

• Bose FreeSpace E-4, 67 of 80 8.0 E4 System Troubleshooting A number of fault conditions can be displayed in the Input Status section: DC Sense Fault: A power supply fuse, output FET, amplifier mod- ule, or some combination of the above has blown. The unit should be replaced. Amplifier Module Fault : When the Amplifier Module fault occurs by itself it can be caused by any of the following: • Shorted speaker line – Check the loudspeaker line for shorts. • System power exceeds 400W – Check that system power does not exceed 400W. • Speaker tra

• Bose FreeSpace E-4, 68 of 80 8.0 E4 System Troubleshooting 8.4 Common problems 8.4.1 Communications port error When you receive the communications port error dialog, the FreeSpace ® Installer™ software was not able to locate an E4 system on the COM 1 port. This normally occurs due to one of three reasons: • The PC and E4 are not connected via a “straight-wired” serial cable. • Another software application has control of the serial port. Applications such as the Palm OS, or other audio applications control the serial port while they are open. Close these applica- tions and click the Try Again button. • The E

• Bose FreeSpace E-4, 69 of 80 8.0 E4 System Troubleshooting 8.4.3 User interface keypads do not operate correctly • Check wiring of RJ-45 connectors. • Check for breaks/shorts in cable. •Using the Installer™ software, check the Error Log for a periph- eral controller error. 8.4.4 Bad sound in a zone User interface keypads exhibit strange behavior Is keypad connected to the correct ZONE on the E4 unit? Connect the keypad to the correct zone on the E4 unit. No Yes Correct the keypad connector wiring. See troubleshooting for the peripheral controller. Is the keypad connector wiring correct? Does the Installer™ Error Log list any periph- eral controller

• Bose FreeSpace E-4, 70 of 80 8.0 E4 System Troubleshooting 8.4.5 Auto Volume does not calibrate Auto Volume calibration may fail if the process cannot obtain an adequate source level. This may be due to: • Speakers are tapped too high • Maximum output gain is less than -20 dB • Source is not operating • Source level is too low Calibration could also fail if the calculated loop gain is not within required limits. This may be due to: • Broken microphone cable • Speakers are not connected • Sensing microphone is not connected, or is connected to the wrong

• 71 of 80 8.0 E4 System Troubleshooting To find the temporary file directory… For Windows 2000, or Windows XP: 1. Right-click My Computer on the Windows desktop. 2. Select the Properties menu item. 3. Click the Advanced tab. 4. Click the Environment Variables... button. 5. Scroll down to the value of variable TEMP under “User vari- ables”. If, and only if, it is not fo

• Bose FreeSpace E-4, 72 of 80 9.0 Restoring E4 Microcontroller Code The microcontroller code residing in the E4 system hardware can be restored using the Installer™ software. 1. Using the E4 front panel STANDBY button, place the unit in standby mode (the STANDBY indicator should be amber). 2. Press the STANDBY button again to place the unit in operat- ing mode (the SYSTEM STATUS indicator should be green). 3. If not already done, connect your PC to the E4 unit using a serial data cable. 4. Launch the version of Installer software that was last used to configure the system. As the software activates the connec- tion with the E4 unit, a status dialog window

• Bose FreeSpace E-4, 73 of 80 9.0 Restoring E-4 Microcontroller Code The firmware upgrade runs automatically and will notify you when it is complete. Once the upgrade is completed, select the Service Hardware mode and verify that the microcontroller version number is correct. For example: ------------------------------------------------- Microcontroller: v1.0.0.64 DSP: v1.0.71.0 Peripheral: v1.0.0.10 Lower Amplifier: v1.0.0.14 Upper Amplifier: v1.0.0.14 ------------------------------------------------- If you do not see the correct microcontroller version number, or if any of the other firmware version numbers are less than the values shown in this example, please contact your local Bose Customer

• Bose FreeSpace E-4, 77 of 78 Bose ® Product Sales Conditions Limited Warranty Policy and Conditions of Sale Bose Corporation The Mountain Framingham, MA 01701 What is covered: All parts defective in material and workmanship. This limited warranty for the Bose Freespace ® E4 system (“system”) covers the functionality of the system for its normal, intended use as specified in the Owner’s Guide and does not cover a malfunction that has resulted from improper or unreasonable use or mainte- nance, accident, excess moisture, improper packing, lightning, power surges, or unauthorized tampering, alteration or modification while not under the contr

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