JVC RX-778VBK Instructions Manual page 9

Crossover Frequency Setting
Small speaker cannot reproduce the bass sound very well. So, if you
have used a small speaker any for the front, center, or rear channels,
this receiver automatically reallocate the bass elements, originally
assigned to the channel for which you have connected the small
speaker, to another channel (for which you have connected the large
speaker).
To use this function properly, you need to set this crossover
fi-equency level according to the size of the small speaker connected.
• This function takes effect only when playing back a source using
Dolby Pro Logic or Dolby Digital. However, if you have selected
"LARGE" for all speake_ (see page 14), this function will not
take effect.
On the front panel ONLY:
SETTING
1. Press SETTING repeatedly until ff _
"CROSSOVER FRQ" (Crossover
Frequency) appears on the display.
The display changes to show the current setting.
2. Turn MULTI JOG to select the f__.._%_
crossover frequency level
according to the size of the small
speaker connected.
• As you turn it, the display changes to show the following:
i._ 80 Hz ",-_100 Hz ",-_ 120 Hz _l
• Use the following comments as reference when adjusting.
80Hz: Select this when the cone speaker unit built in the
speaker is about 4 3/_ inches (12 cmL
100Hz: Select this when the cone speaker unit built in the
speaker is about 3 Es/_(, i nches (10 cm).
120Hz: Select this when the cone speaker unit built in the
speaker is about 3 3/_,inches (8 cm).
Low Frequency Effect Attenuator Setting
If the bass sound is distorted while playing back a source using
Dolby Digital, Allow the procedure below.
On the front panel ONL
1. Press SETTING repeatedly until SE_NG
"LFE ATT" (Low Frequency [_ _
Effect Attenuator) appears on the
display;
The display changes to show the current setting.
_l,_LvlJo_
2. Turn MULTI JOG to select the f_-_._k
low frequency effect attenuator
level.
• As you turn it, the display changes to show the following:
0dB _ 10dB
0dB: Normally select this.
10dB: Select this when the bass sound is distorted.
Dynamic Range Compression Setting
You can compress the @namic range (difference betweenmaximum
sound and minimum sound) of the _produced soun& This is useful
when enjoying surround sound at night.
• This function takes effect only when playing back a source using
Dolby Digital.
On the front panel ONLY:
1. Press SETTING repeatedly until
.
"D, RANGE COMP." (Dynamic
Range Compression) appears on
the display.
The display changes
to show the current
setting.
Turn MULTI JOG to select the
appropriate item about the
compression level.
SETTING
• As you turn it, the display changes to show the following:
OFF: Select this when you want to enjoy surround with its
full dynamic range. (No effect applied.)
MID: Select this when you want to reduce the dynamic
range a little. (Factory setting).
MAX: Select this when you want to apply the compression
effect fully. (Useful at night).
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