Bose E4 manual Customer support, Auto Volume does not calibrate, Technical assistance

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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 zone

8.5 Customer support

8.5.1 Technical assistance

If you need further technical assistance, contact your local Bose representative, or send an email to the address for your area:

North America

InstallerSupportNA@bose.com

Europe

InstallerSupportEUR@bose.com

Asia, Australia, India and Middle East

InstallerSupportABDG@bose.com

8.5.2 Reporting software bugs and issues

Please email any problems, issues, or software bugs to your local Bose representative. Please include the following information:

Software version

E4 Error Log file

Computer make, model, and configuration (hard drive storage capacity, processor speed, and amount of installed RAM)

Description of the problem – Can it be reproduced? If so, what steps can be taken within the application to make the problem manifest itself?

If possible, attach the Installer™ software diagnostic files. The Installer software creates three important diagnostic files (output, error, and log) each time the software runs. These files are distinct from the E4 Error Log file which refers to the hardware errors and can be accessed using the Service tab within the Installer™ soft- ware.

The name of each Installer diagnostic file includes the date and time that Installer software was run. For example:

FreeSpaceInstallerOutput-Oct 8, 2002 12_53_05 PM.txt

FreeSpaceInstallerErrors-Oct 8, 2002 12_53_05 PM.txt

FreeSpaceInstallerLog-Oct 8, 2002 12_53_05 PM.txt

These files are automatically written in the “temporary file” direc- tory of your computer’s operating system. Use the standard Win- dows “Search” of “Find” feature to look for files named

FreeSpaceInstallerOutput,

FreeSpaceInstallerErrors, and

FreeSpaceInstallerLog

on all local hard drives. This feature can be found in the Start menu of Windows 98, NT, 2000, or XP. Once the search is com- plete, sort the listing by date to show the diagnostic files most recently created by the Installer™ software.

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Contents FreeSpace E4 Series II Business Music System Declaration of Conformity Contents Contents E4 hardware indicators E4 System TroubleshootingSystem fault IntroductionAMP Output Amplifier faultInput clipping No Standby and System indicatorsDirect input is active Contents of the Error Log FreeSpace E4 system Error LogHardware configuration Power-on self-test resultsAmplifier alarms using output voltage and current Amplifier alarmsInput and output alarm history Solving faults reported in the Error LogCommunications port error Common problemsNo audio in zone Bad sound in a zone User interface keypads do not operate correctlyReporting software bugs and issues Auto Volume does not calibrateCustomer support Technical assistanceFor Windows NT Restoring E4 Microcontroller Code Restoring E-4 Microcontroller Code Bose Product Sales Conditions
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E4 specifications

Bose has long been a leader in audio technology, and their remarkable Bose E4 model epitomizes this legacy. Designed for both professional musicians and discerning audiophiles, the E4 is engineered to deliver an unparalleled listening experience.

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Comfort is a priority with the E4, featuring plush ear cushions that conform to the shape of the ears. The lightweight design reduces fatigue, making them ideal for long listening sessions or extended studio work. The adjustable headband provides a secure yet comfortable fit, enhancing the overall listening experience without compromising style or functionality.

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Connectivity options are versatile with the E4, including both wired and wireless options. The inclusion of Bluetooth technology allows for seamless pairing with devices, providing the freedom to move without being tethered by cables. Additionally, the integrated microphone enables hands-free calling and voice assistant interaction, blending convenience with high-quality audio.

In conclusion, the Bose E4 headphones embody the perfect marriage of advanced technology and user-focused design. With exceptional sound quality, impressive noise cancellation, comfortable ergonomics, and durable construction, they stand out as a top choice for anyone serious about their audio experience. Whether for professional use or personal enjoyment, the Bose E4 delivers on every front, solidifying its place in the premium headphone market.