Technics SA-GX505 Service Manual page 42

S A - G X 5 0 5
Amplifier section
(P. EQ SYS)
This button IS used tc turn the parametnc ED system ON or
OFF
button IS used to Me-adjust
parametric EQ.
This button is used 10 increase or decrease the slope of the
parametric EC) curves
(CENTER FRED/BASS)
This control is used lc select the center frequency in the
parametric EQ mode or tc adjust the low-frequency sounds in
the tone mode
(LEVEL/TREBLE)
This control is used tc adjust the frequency level in the
parametric ED mcde or the high-frequency sounds in the tone
mode.
the center frequency Of the
Dolby Pro-Logic Surround ON/OFF button
(SURROUND)
This button is used tc activate the Dolby 3 sterec effect
Each bme you press ,hls button, the center mode will change
as fcllcws: NORMAL- PHANTOM- CENTER OFF.
When "s,ns
the center speaker and the rear speakers, press
balance of the center speaker and rear speakers.
(CENTER LEVEL)
These buttcns are used 10 adjust the vclume level of the
center speaker
(REAR LEVEL)
These buttons are used tc adjust the volume level of the rear
speakers.
Dolby Pro-Logic Surround