Cambridge Audio 551R Manuale Utente

551R

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Front panel display

Mode icons

Direct indicator
Lights when the 551R is in a Direct mode - Analogue Stereo Direct or 7.1

Direct.

HDMI

Indicates the current source audio input type is HDMI.

Multi

Indicates the 551R is receiving multi-channel PCM over HDMI.

Digital/Analogue indicators

Indicates whether the current source audio input type is Digital (S/P

DIF/Toslink) or Analogue.

Decoding mode indicators (PCM, Dolby Digital, DTS

etc)

Shows the current decoding mode, Dolby Digital, DTS etc. In conjunction with

the Output Channel indicators these give full details of the current processing

mode.

Video input icons

Indicates the current video input type as Video (composite), S-Video, YUV

(Component) or HDMI.

Main information display

Shows the current source selected, also the surround mode and station

name/frequency when in tuner mode etc.

Output channel indicators

Shows the currently active channels depending on decoding mode and

source material. Icons lit indicate active channels in the source material.

Icons with a box around them indicate actual channels being output by the

551R.

Display examples

Indicates a 5.1 Dolby Digital source being played back as 5.0 (Sub off). The

lit LFE indicates a low frequency effects channel is present in the source

material. When this icon isn’t boxed it indicates the LFE channel is not being

sent to a subwoofer but will be mixed into the front left and right instead.

Indicates a 7.1 playback of DTS ES material.

Indicates a 2.1 output created in the digital domain from analogue input

material.

To avoid damaging the speakers with a sudden high-level signal, be sure to

switch the power off before connecting the speakers. Check the impedance

of your speakers. Speakers with an impedance of between 4 and 8 ohms

(each) are recommended.
The coloured speaker terminals are positive (+) and the black speaker

terminals are negative (-). Make sure correct polarity is maintained at each

speaker connector or the sound can become weak and “phasey” with little

bass.
Prepare the speaker cords for connection by stripping off approximately

10mm (3/8”) or less (no more than 10mm, as this could cause a short-

circuit) of the outer insulation. Twist the wire tightly together so there are no

loose ends. Unscrew the speaker terminal knob, insert the speaker cable,

tighten the knob and secure the cable.
Note: All connections are made via loudspeaker cable, except if using an

active subwoofer which would be connected via a standard RCA phono cable.

Banana Plugs (4mm standard) connected to the speaker cable are

recommended for direct insertion into the speaker terminals.
Please refer to the ‘Speaker Configuration’ section of this manual for more

information on 5.1 and 7.1 speaker setups.

Loudspeaker connections

Front

speakers

Surround

speakers

Centre speaker

Surround back

speakers

Powered subwoofer

Phono/RCA cable

ENGLISH