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Appendix E
The Delta System Quick User's Guide
The SSD-66 (THX) Surround Sound Decoder (continued)
Mono Enhancement
The SSD-66 provides a Mono Enhancement circuit which can be engaged on most surround
modes. This unique feature broadens stereo signals by providing the sense of wider separation
for stereo simulation of mono signals. For strictly mono signals, the Mono Enhancement circuit
provides a simulated surround sound.
The Mono Enhancement circuit has three positions, ON, OFF, and
AUTO. When the mono enhancement is off, you will listen to the
sound without any enhancement. To turn the circuit on, press the
MONO ENHAN button. The display will
read ENHANCE ON. The SSD-66 also
provides an automatic mono enhance-
ment position, where the SSD-66 will de-
tect mono signals and only then auto-
matically engage the enhancement cir-
cuit. Several modes will always have the
SSD-66 play with the enhancement circuit
on AUTO. To turn the enhancement cir-
cuit on automatic, press the MONO EN-
HANCE button until ENHANCE AUTO is displayed.
To defeat the enhancement circuit, press the MONO ENHAN
button until ENHANCE OFF appears on the display.
Several other SSD-66 control functions are available from the SSD-
66's hand held infrared remote control. These functions will also display on the keypad when
selected even though the buttons do not exist on the keypad itself.
Muting The SSD-66
The SSD-66 permits you to mute the audio. This operation lowers the volume, permitting you
to answer the telephone or simply view an image without any audio. To engage the mute
function, press the ROOM OFF button once. The keypad will flash the words OFF-STANDBY
and then begin flashing AUDIO MUTED and LASER DISC. This informs you that VCR1 is
selected and that the system is muted. To
regain the audio, press either the MODE,
VOL UP, or VOL DN buttons once.
ROOM
OFF
ENHANCE ON
OFF
SHIFT
MODE
VOL
PRESET
VOL
UP
VOL
DN
DELAY
MONO
ENHAN
FM
AM
TV
VCR
1
VCR
2
LASER
CD
CASS
ROOM
OFF
ENHANCE AUTO
OFF
SHIFT
MODE
VOL
PRESET
VOL
UP
VOL
DN
DELAY
MONO
ENHAN
FM
AM
TV
VCR
1
VCR
2
LASER
CD
CASS
ROOM
OFF
ENHANCE OFF
OFF
SHIFT
MODE
VOL
PRESET
VOL
UP
VOL
DN
DELAY
MONO
ENHAN
FM
AM
TV
VCR
1
VCR
2
LASER
CD
CASS
ROOM
OFF
LASER DISC
OFF
SHIFT
MODE
VOL
UP
VOL
DN
MONO
ENHAN
FM
AM
TV
VCR
1
VCR
2
LASER
CD
CASS
VOL
PRESET
DELAY
ROOM
OFF
AUDIO MUTED
OFF
SHIFT
MODE
VOL
UP
VOL
DN
MONO
ENHAN
FM
AM
TV
VCR
1
VCR
2
LASER
CD
CASS
VOL
PRESET
DELAY