General controls, Power stand by/on, Tuning down/up – RCA RV-9978 User Manual
Page 8: Speakers, Preset scan, Auto, Balance, Bass, Treble, Function buttons
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RECEIVER CONTROLS & OPERATIONS
GENERAL CONTROLS
POWER STAND BY/ON
The POWER STANDBY/ON button activates or
deactivates the system. When the system is activated,
the unit will default to the last mode it was in before
power was removed.
TUNING DOWN/UP
The TUNING DOWN/UP buttons allow you to scan the
active frequency for the radio station of your choice.
SPEAKERS
The SPEAKERS button allows to activate/deactivate
your speakers, giving you more control over the
customizing of your listening.
PRESET SCAN
The PRESET SCAN button allows you easy access for up
to 30 preset radio stations.
AUTO
The AUTO button allows you to select auto or manual
tuning.
BALANCE
The BALANCE dial allows you to manually adjust the
balance of sound coming from your speakers.
BASS
The BASS dial allows you to manually adjust the
amount of bass the unit emits.
TREBLE
The TREBLE dial allows you to manually adjust the
amount of treble the unit emits.
FUNCTION BUTTONS
The function buttons include CD, TAPE, FM/AM, TV,
VCR, VIDEO.
TEST TONE
The TEST TONE button can only be used in the Dolby
Pro Logic mode. This feature allows you to balance
your speakers as they emit a sound, called a "pink
noise," in the left, center, right and surround channels
sequentially for two seconds each.
NOTE: This process is explained more in-depth in
"Balancing Your Speakers," page 4.
CENTER MODE
The CENTER MODE button allows you to select the
Normal, Phantom or Wide mode. These modes are only
available when Dolby Pro Logic or Dolby 3 Stereo are
activate.
NORMAL
The Normal mode can be activated in both Pro
Logic and 3 Stereo. This mode takes the low bass
frequencies from the center channel and
distributes them to the left and right main
speakers to maintain the program's original
integrity.
PHANTOM
The Phantom mode can only be reached while the
Pro Logic mode is active. It uses the two main
speakers and the two surround speakers. The
center speaker is off and the sound that usually
comes from it is distributed through the left
and right main speakers.
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