Bose 40 manual Equalizing the volume levels of external sources, Adjusting LCD contrast

Page 31

Operating Your Lifestyle® 40 Music System

Equalizing the volume levels of external sources

The SIGNAL LEVELS selection in the MENU options allows you to adjust and equalize the volume gain levels received from externally connected sources (VIDEO 1, VIDEO 2, AUX, TAPE). For example, you can adjust the gain level of an external source so that volume level 50 on this source sounds as loud as level 50 from a built-in source.

1.Using the MENU button, select SIGNAL LEVELS.

2.Press VIDEO 1, VIDEO 2, TAPE or AUX and you are shown a gain adjustment display (Figure 34). After listening to the built-in sources (FM, AM, CD) at your preferred volume level, use the arrow keys to adjust the signal level settings (GAIN) of the connected sources until you get the same volumes. The adjustment range is from –15 to +15.

Figure 34

Gain adjustment display

Adjusting LCD contrast

You can adjust the contrast of the display. Press and hold the SOURCE button until Lcd appears. Use the lower arrow buttons to change the contrast level.

Figure 35

LCD contrast adjustment display

Adjusting the Personal™ music center beep

You can adjust the loudness of the beep made when pressing the display buttons. Press and hold the SOURCE button until Lcd appears. Use the upper arrow buttons to select the bEEP display. Use the arrow buttons to select between Lo, HI, and – – (off).

Figure 36

Beep adjustment display

AM189858_03_V.pdf

December 20, 2001

29

Page 30 Page 32
Image 31
Page 30 Page 32
Contents Bose Lifestyle 40 Music System Batteries Additional safety informationClass 1 laser product Class B emissions limitsInformation about products that generate electrical noise Antenna grounding For your records Where to find …Before you begin What comes with your Lifestyle 40 system Unpacking the cartonJewel Cube speakers Selecting the locations for your Lifestyle 40 music systemMulti-room interface Acoustimass moduleCD changer Connecting the Jewel Cube speakers to the Acoustimass module Connecting your systemConnecting the CD changer to the multi-room interface Connecting the multi-room interface power pack Connecting the Acoustimass module power mains cordLaserdisc player or additional CD changer Connecting external componentsVideo components Tape deckAM antenna connections Connecting the antennasConnecting to a cable radio signal FM antenna connectionsCompleting connections and turning on the Acoustimass module Setting up the Personal music centerTurning the system on Turning on the systemTurning the system off Using the sleep timer Adjusting the volumeMuting your system Using the Keypad buttons Using the Personal music center displayUsing the primary buttons Using the Source buttonsPresets Using the Menu itemsTurning the system on and choosing the radio Setting radio channel spacingManually tuning a radio station Listening to the radioSetting a station preset Selecting a preset stationSeeking the strongest stations Managing your preset stations Setting presets using the Presets menuTo set a preset station Erasing a preset stationListening to compact discs Using the CD changerTurning the system on and choosing the CD changer To listen to the CD play list To scan a discTo add a track to the play list To omit a track from normal playSelecting repeat and random modes Using the CD Options menuSelecting play list modes To create a CD play list Programming a CD play listTo change an entry in the CD play list To delete a track from the play list To insert a new track in an existing play listTo erase the entire CD play list Using a tape recorder with your system Using the system with external componentsTurning the system on and selecting the component Optimizing AM/FM radio reception Fine-tuning your systemAdjusting speaker controls Compensating for room acousticsAdjusting LCD contrast Equalizing the volume levels of external sourcesAdjusting the Personal music center beep Forcing the Keypad buttons to stay on Forcing the Source buttons to stay onAdjusting the display fade time Connecting additional rooms Operating in more than one room Understanding the room indicatorsReturning to single-room control Using the Room buttonSetting up a shared source Controlling two or more rooms togetherUsing the House button Using more than one Personal music centerReplacing batteries Finding a misplaced Personal music centerCleaning the speakers and Acoustimass module Cleaning the systemCleaning the Personal music center Cleaning the CD changerProblem What to do TroubleshootingCustomer Service Warranty periodTechnical information AccessoriesIndex Record OUT 27 Signal Levels 28 Index Page Belgique/België CanadaEuropean Office Australia

40 specifications

The Bose 40 is an exceptional headphone model that offers an immersive audio experience, catering to audiophiles and casual listeners alike. Known for its remarkable sound quality, the Bose 40 incorporates advanced engineering and innovative technologies to deliver rich, balanced audio.

One of its standout features is the Active Noise Cancelling (ANC) technology. This system uses microphones inside and outside the ear cups to detect ambient noise, effectively cancelling it out for a serene listening environment. Whether you are commuting, traveling, or simply enjoying music at home, the ANC capability ensures you remain undisturbed by outside distractions.

The Bose 40 headphones also feature a proprietary TriPort Acoustic headphone structure, which enhances low-frequency performance without compromising mids or highs. This design ensures that users enjoy a full spectrum of sound, making every listening session a pleasure. The combination of dynamic drivers and a precise acoustic port embedded within the ear cups results in a sound that is both powerful and precise.

Comfort is a critical aspect of the Bose 40 design. The ear cups are crafted from soft materials that provide a snug fit, allowing for extended listening without discomfort. Additionally, the headband is carefully designed with cushioning, making these headphones suitable for prolonged use whether for work or leisure.

With Bluetooth connectivity, the Bose 40 headphones support seamless pairing with a wide array of devices, from smartphones to tablets and laptops. The headphone comes equipped with voice assistant integration, allowing quick access to Siri, Google Assistant, or Alexa. Users also appreciate the intuitive touch controls located on the ear cups, making it easy to play, pause, or skip tracks without needing to retrieve devices.

Battery life is another crucial feature, with the Bose 40 offering up to 20 hours of playback on a single charge. Rapid charging capabilities ensure that users can enjoy up to 3.5 hours of playtime with just a 15-minute charge, making it an excellent companion for on-the-go lifestyles.

In terms of build quality, the Bose 40 is sturdy yet lightweight, making it easy to carry around. The foldable design is perfect for travel, fitting neatly into protective carrying cases.

All these features come together to make the Bose 40 a leading choice in the headphone market, appealing to listeners who seek top-tier audio quality combined with comfort, modern technology, and longevity.
Top Page Image Contents