Technics SA-DX750 Operating Instructions Manual page 13

If you allow about 10 seconds to elapse between settings, the
procedure is canceled, all settings are returned to how they were,
and the previous display is restored Begin again if this occurs
1 Press [POWER, b/I].
2 Press [DSP SOUND MODE] and
[SFC MODE] at the same time.
3 Press [DSP SOUND MODE] to select
the item you want to change.
Each time you press the button
SIZE-DISTANCE-FILTER-DR COMP-D-INPUT-DIMMER
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4 Change the settings (I) below).
Repeat steps 3 and 4 to complete the necessary
settings.
5 Press [DSP SOUND MODE] and
[SFC MODE] at the same time.
Changing the settings
SIZE
0 Press [SFC MODE] to select the speaker you want to set
Each time you press the button
FRONT - CENTER - SURROUND - SUB-WFR (Subwoofer)
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@ Turn [INPUT SELECTOR] to change the setting
When you turn the selector
FRONT SMALL - LARGE
CENTER and SURROUND NONE - SMALL - LARGE
SUB-WFR NO - YES
@ Repeat 0 and @to change other SIZE settings
DISTANCE
@ Press [SFC MODE] to select the speaker you want to set
Each time you press the button
FRONT - CENTER - SURROUND
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@ Turn [INPUT SELECTOR] to set the distance
@ Repeat @I and @to change other DISTANCE settings
FILTER
Turn [INPUT SELECTOR] to set the cut-off
When you turn the selector
100 - 150 - 200
DR COMP
Turn [INPUT SELECTOR] to change the setting
When you turn the selector
OFF - STANDARD - MAX
D-INPUT
@ Press [SFC MODE] to select the input position you want to set
Each time you press the button
CD COAX - DVD OPT2 - TV OPT1
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These are the factory settings Actual displays depend on the
changes you make If you change one setting, the other
corresponding setting will also change
@Turn [INPUT SELECTOR] to change the setting
When you turn the selector
COAX - OPT1 - OPT2
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@ Repeat @and @to change other D-INPUT settings
DIMMER
Turn [INPUT SELECTOR] to change the setting
When you turn the selector
OFF - ON