Bryston SP2 Manuel d'utilisateur télécharger pdf (Page 6)

6: MENU CONTROL BUTTONS

SEL

These three buttons labeled “”, “”,

and “SEL” (SELECT) are used to con-

trol the menu and setup functions dis-

played on the LCD. To enter a menu

mode, you can press any one of these

buttons. This will bring up the main

menu. Navigating any menu or sub-

menu is done using the two arrow ( and ) but-

tons. Once the desired submenu or function is

highlighted, pressing “SELECT” will make it the

current menu or function.

To exit a menu, or back up a step use the arrow

buttons to highlight the ‘X’ displayed in the lower

right hand corner of the LCD window and press

“SELECT”, or wait 3 to 4 seconds for the menu to

time out and return to its previous state.

7: SOURCE SELECT BUTTONS & INDICATORS

TV/SAT

TAPEDVD

CD AUX

VCR

Pressing any one of these

buttons will instantly switch

the SP2’s analog and digital

inputs to read the indicated

source.

If the SP2 is in its digital

mode, as soon as any input

is selected and switched, the decoder will auto-

matically try to determine the new bitstream’s type

and mode.

DIGITAL MODE SELECT BUTTON & INDICATOR

MODE

This button operates as a three-way toggle

function. The LED immediately above the

button has two colors - RED and GREEN,

and an OFF mode where it is not illuminat-

ed.

When Digital Mode is selected, the decoder

will automatically default to a digital signal for the

selected input if one is present.

If a digital signal is present and detected, the

SP2 will automatically determine the type of bit-

stream and select the proper decoding mode. The

indicator LED will turn green when this happens.

If NO DIGITAL SIGNAL is detected the SP2 will

default back to the analog input for the selected

source. This also automatically puts the SP2 into

its Digital Standby Mode. When this occurs the LED

indicator will turn RED

In this mode, the decoder will continually check

the selected source inputs for the presence of a

digital signal. If one is detected, the SP2 will auto-

matically switch over to the pre-selected digital

operation mode for that source.

To defeat this auto-digital detect mode you

must press the button again. If you do the LED will

go OFF.

When this mode of operation is selected the

SP2 will look at ONLY its analog inputs. If a digital

signal does appear the SP2 will NOT recognize it

and will remain in its analog only mode until you

press the Digital button again to either select the

digital source or place the SP2 into its auto detect

mode as explained above.

9: SURROUND MODE BUTTON & INDICATOR

SURROUND

Pressing this button will engage the SP2’s

surround listening mode. When this function

is operational the LED will turn green. For

Dolby Digital and DTS bitstreams, the signal

will be decoded and presented with no addi-

tional post-processing. For 2-channel source

material, the SP2 will synthesize surround

information based on the chosen Surround Mode

(see Appendix A: SP2 Surround Modes for more

information).

10: STEREO & STEREO DOwNMIX MODE

STEREO

If this button is selected and the supplied

bitstream is more than 2 channels, the

decoder will automatically implement a ste-

reo downmix. Otherwise, analog or digital

two channel signals are passed as conven-

tional stereo.

11: MONO & MONO DOwNMIX MODE

MONO

If this button is selected and the supplied

bitstream is more than 1 channel, the SP2

software will create a Mono mix of all sig-

nals. If the centre channel is present, the

Mono signal will appear in the centre chan-

nel. If no centre channel is present, the

mono signal will appear simultaneously on the

Left/Right speakers.

NOTE: Downmix [stereo or mono] is a software

based automatic mixing function available within

the SP2. This process exists because whenever the

number of active decoder outputs or loudspeakers

selected in setup is less than the number of chan-

nels in the Dolby Digital program, some channel

combining will be necessary to present the pro-

gram on the available number of channels/loud-

speakers.

As a part of any program’s production, its produc-

ers can set and adjust the type and ratios allowed

for downmixing somewhat to ensure optimum

results without compromising the full Multichannel

balance. This is accomplished by including specific

data within the Dolby Digital bitstream which rep-

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Bryston SP2 Manuel d'utilisateur Page 6

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