AudioControl Concert AVR-4, Руководство по функционалу пользователя, Страница: 28 / 72

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Speaker Levels
It is critical to properly match the levels from each speaker to achieve a
correct sound stage. The realism is totally lost if the footprints of a person
walking across the screen change in volume as they move from left to cen-
ter to right. We strongly recommend using a test analyzer such as our Iasys
HT for this calibration. The levels are nearly impossible to judge by ear
alone. Though not as accurate as using the Iasys HT, you can use a sound
level meter for this adjustment.
With the internal test noise generator of the Concert AVR-4, adjust each
speaker for a sound pressure level (SPL) of 75 dB using a “slow” response
time on the SPL meter placed at the main listening position at ear height.
Video Inputs
Settings to optionally assign a video source to each of the normal “audio
only” inputs. The default for each of these settings is “None”. This is a
great way to listen to the ball game over the Internet Radio and watch it
over your normal video display device, though timing might be a little off.
Video Outputs
The Concert AVR-4 is not only a great sounding home theater processor
but it is also a very powerful video processor. To that extent it has a number
of video settings that need to be selected carefully to optimize your video
performance.
Zone 1 On Screen Display (OSD): While the set-up menus will
always show on your display device, you have the option of selecting
whether your Main Zone general settings (volume, subwoofer level,
etc.) show up on the bottom of the screen as an On Screen Display
(OSD). The options are “On” or “Off”.
Analog Output: Controls the output settings for the Composite and
S-Video analogue video outputs. You will want to note that these
outputs support display resolutions of 480i or 576i signals.
Analog Frame Rate: Controls the output frame rate for all Main
Zone analog video outputs.
Display Type: Options are 4:3 standard or 16:9 widescreen.
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