AudioReturnChannel

The 551R supports an Audio Return Channel (ARC) function from TVs that also support this function (which must feature an HDMI1.4 input and have actuallyimplementedtheARCfeature,seeyourTVsmanual).

ARC allows a TV to send audio back down its incoming HDMI lead to the 551RsHDMIoutputsocket.

This function allows the 551R to play back the audio from a TVs built-in terrestrialcableorsatellitetunerwhilstyouwatchit’spicture.

To enable the use of ARC navigate to the select TV– ARC and use the up/downbuttonstoselecttheEnabledsetting.

 

Audio In/Out Setup Menu

 

BD/DVD

:

HDMI 1

Video 1

:

Digital

Video 2

:

HDMI 3

CD/Aux

:

Analog

Tape/MD/CDR

:

Analog

Preamp Out

:

Ext 2ch

TV ARC

:

Enable

 

Return : [OSD]

 

UsingARC

ARCcanbestartedinoneoftwoways.IfyourTVsupportsittheremaybea menuitemtostartARConyourTV.

Your TV then sends commands to the 551R which cause it to start an ARC sessionand‘TV-ARC’willappearonthefrontpaneldisplayautomatically. Some TVs may also start an ARC session whenever you select the in-built tunerandstopwhenyouselectanothersource.

Alternatively you can start ARC by pressing the CD/Aux/TV button twice on the551R(aslongasTV-ARChasbeenenabledinthe551RsOSDasabove). ThefirstpressselectsCD/Aux,thesecondselectsARCand‘TV-ARC’appears onthefrontpaneldisplay.The551RwillthensendcommandstotheTVover HDMItotrytostartanARCsession.

To finish ARC simply disengage it on your TV or press a different source buttononthe551R.

PictureAdjustment

For sources that have had the Scaler set to Process the 551R can provide somepictureadjustments.

Theseadjustmentsarerememberedsourcebysource. PressingasourceforwhichthescalerisinBypasswilldonothing.

Pressingasourceforwhichthescaleris settoProcesswillbringupthefirst adjustmentitem,shownatthetopofthescreenasbelow:

Brightness

60

azur 551R

You can use the up/down buttons to make changes to the picture or press

ENGLISH

Pic.Adj.againtomovetothenextitem.

 

Adjustments are available for Brightness, Contrast, Hue, Saturation and

 

4:3/16:9Zoom.

 

A second feature of the Picture Adjustment button is setting the output

 

resolution for the scaler (this can also be done in the OSD see earlier

 

section).

 

Ifthebuttonispressedandheldfor10secondsapproxthe551Rwillshow

 

thecurrentscaleroutputresolutiononthe551Rsfrontpaneldisplay.

 

Holding for a further 10S will change the output resolution to the next

 

availableone(andallowtimefortheTVtore-sync).

 

Holdingfurtherwillcontinuetheprocessandthevideooutputwillgradually

 

move through all possible resolutions 480i 50Hz, 576i 60HZ, 720p 50Hz,

 

720p 60Hz, 1080i 50Hz, 1080i 60Hz, 1080p 50Hz and 1080p 60Hz (and

 

backround).

 

This feature can be useful if the scaler output is accidentally set to a

 

resolutionyourTVdoesnotsupportandpictureislost.

 

BypressingandholdingPic.Adj.youcancausethe551Rtoscrollthroughall

 

resolutions automatically. Simply let go of the button when a visible video

 

imageatasuitableresolutionappears.

 

Audiosplitmode

Insomecircumstancesthe551Risabletoallowtheusertoviewonesource whilstlisteningtoanother.Forinstanceyoucouldwatchthevideoofasports channelwhilstgettinganaudiocommentaryfromanothersuchastheTuner. ToperformAudioSplit:

1.Selectthesourceyouwishtowatchinthenormalway.

2.Press and hold the button for the source you wish to listen to. After 4 secondsapprox“AudioSplit”willscrollacrossthedisplayandyouwillnow belisteningtothatsourceinstead.Videowillnothavechanged.

1 2

The 551R allows splitting from any source whatever its video input type (Composite, S-Video, Component or HDMI) but only to sources where analogueordigitalaudioisthecurrentaudioinputtype,notHDMI.

If the combination is not allowed “Mode Unavailable” will instead scroll acrossthedisplayandnochangewillbemade.

Tocancelaudiosplitmodesimplyselectanewsourceandnormaloperation willberesumed.

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Cambridge Audio 551R user manual AudioReturnChannel, PictureAdjustment, Audiosplitmode, UsingARC

551R specifications

The Cambridge Audio 551R is a versatile and sophisticated A/V receiver that stands out in its class, designed for audiophiles and home theater enthusiasts alike. Combining cutting-edge technology with elegant design, the 551R delivers a remarkable audio-visual experience.

At the heart of the 551R is its robust amplification system, which offers 100 watts per channel across seven channels. This provides ample power to drive a wide variety of speakers, ensuring dynamic sound across all listening levels. The receiver features a high-quality digital signal processing unit that enhances audio performance while accommodating the latest high-definition formats.

One of the standout features of the Cambridge Audio 551R is its extensive connectivity options. With multiple HDMI inputs, the 551R allows for seamless integration with various devices, such as Blu-ray players, gaming consoles, and streaming devices. The HDMI inputs support 3D video and 4K pass-through, ensuring compatibility with modern home entertainment systems. Additionally, it includes multiple digital and analog inputs, allowing users to connect traditional audio sources.

The 551R employs a sophisticated user interface, complete with an intuitive on-screen display. This makes navigating through settings and configurations effortless, even for those who may not be tech-savvy. The receiver also comes with a remote control that offers convenient access to essential functions.

Cambridge Audio places high importance on sound quality, and the 551R is no exception. Its premium components, including a high-grade DAC (Digital to Analog Converter) and carefully selected capacitors, contribute to achieving an exceptionally clean and natural sound signature. The receiver also offers various sound modes and equalization settings, which allow users to tailor the audio output to their room’s acoustics and personal preferences.

Another key characteristic is the inclusion of advanced video processing technologies. The 551R can upscale standard video sources to near-HD quality, enhancing the overall viewing experience. This is especially beneficial for older content or lower-resolution media, allowing users to make the most of their display’s capabilities.

In summary, the Cambridge Audio 551R A/V receiver is a powerful and versatile product that brings together exceptional sound quality, extensive connectivity options, and user-friendly functionality. Whether for music appreciation or cinematic experiences, the 551R is designed to satisfy the most discerning audio and video aficionados, making it an excellent choice for any home entertainment setup.