NAD T 758 user manual download (Page 25 of 44)

Languages: English
Pages:44
Description:A/V рессивер
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Page 25 of 44
To produce the same SPL meter reading (or subjective loudness), use the
remote’s [
D/F
] keys to adjust each speaker.
NOTES
All speakers must be in their final locations before level-setting.
Your subwoofer (if any) should be set with its integral crossover defeated,
or if undefeatable, set to its highest-possible frequency if you are using
the T 758’s Subwoofer output. Final subwoofer-level adjustment “by-ear,”
using music and film sound material, is frequently useful.
Due to the effects of room acoustics, matched-pair speakers (front; surround;
back) will not always calibrate to exactly the same level offset readings.
You can exit “Test” mode at any time by pressing [
A
] key, bringing you back
to “Speaker Setup” menu. You can also press the [TEST] key to discontinue
the “Test” mode.
SPEAKER DISTANCE
Your system’s speaker distance settings are a subtle but important
refinement of your setup. Informing the T 758 of the loudspeaker-to-listener
dimensions of each speaker automatically imposes the correct delays,
optimizing imaging, intelligibility and surround-sound ambience. Enter your
dimensions with precision within about 1 foot (30 cm).
SETTING SPEAKER DISTANCE
While at “Speaker Distance” menu, use the [
D/F
] keys to individually
set Front Left, Center, Front Right, Surround Right, Back Right, Back Left,
Surround Left and Subwoofer to the distance measuring from your
principal listening position to the front surface of their corresponding
loudspeakers. Distance can be set up to 30 feet or 9.1 meters. Distance can
be displayed as feet or meters selectable at the “Unit of Measure” item.
ADJUSTING THE VOLUME
In addition to the Volume knob, use the AVR 4’s VOL [
] to adjust the
“master volume” of the T 758 raising or lowering the channels altogether. A
momentary keypress will change the master volume by 1 dB increments. If
you hold down VOL [
], the master-volume change will “run-on” until
the key is released.
Since recordings vary considerably in overall average level, there is no
imperative to listen at any particular master-volume setting. A setting of
-20dB may sound “as loud” from one CD or DVD as -10dB does from another.
The T 758 will power-up from Standby mode at whatever master volume
setting was last used; however, if the prior setting was greater than -20dB,
the T 758 will power up at -20dB. This prevents inadvertently beginning a
session at excessive volume.
MUTING THE SOUND
Use the AVR 4’s [MUTE] key to silence all channels completely. Muting is
always available regardless of the source or listening mode selections.
NOTES
Changing input or listening-mode selections does not release muting.
Adjusting the volume level via the AVR 4 or the front panel volume knob
will automatically release the mute function.
ZONE SETUP
The Zone feature allows one to simultaneously experience in a different
zone of the house selected sound from any of the enabled Sources as well
as from Front Input, Media Player and Tuner.
VOLUME
Zone 2 have Fixed and Variable volume control. When set to “Variable”
and while at the “Zone Controls” menu OSD, the Zone 2 Volume level can
be adjusted using the AVR 4’s [
D/F
] or the corresponding front panel
navigation buttons or directly via ZR 7’s [VOL
d/f
].
On the other hand, if Volume is set to “Fixed”, the Zone 2 Volume is set to
a preset dB level and thereafter the Zone’s volume can be varied via the
volume control of the separate amplifier it is fed into.
See discussion also about “Zone Controls” at the Main Menu.
OPERATION
USING THE T 758 – SETUP MENU
25
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