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3-13System 7SC • Operation and Configuration
Audio Level
From this submenu audio levels can be adjusted per input from -15 dB to +9 dB in
0.5 dB increments. This allows the signal to be boosted or trimmed to a consistent
output level so that there is no noticeable difference in level when switching between
inputs. This adjustment applies to both the Fixed and the Variable audio output.
The Volume adjustment, which affects the Variable audio output only, is applied to
all inputs equally, and it is an attenuation applied in addition to the per-input audio
level adjustments made using this submenu.
Blank Input (blanking adjustment)
To remove noise or extraneous material such as closed captioning by removing scan
lines at either the top or bottom of the screen, adjust the top blanking or bottom
blanking. Rotate the vertical shift knob to set the number of lines removed from
top of the picture. Rotate the horizontal shift knob to set the number of lines
removed from the bottom.
Image Size
To proportionately resize the displayed picture without altering the aspect ratio,
rotate either the vertical ( ) or the horizontal ( ) shift knob while in the Image Size
submenu. Whichever knob is used, the effect is the same: proportional picture sizing.
During Image Size adjustment, if a horizontal or a vertical size limit is
reached, the sizing stops, and the aspect ratio remains unchanged. The LCD
screen displays Min or Max.
Size Input
To resize a picture, enter the Size submenu, then rotate the vertical( ) shift knob to
make the picture taller or shorter, or rotate the horizontal ( ) shift knob to make
the picture wider or narrower. The amount of adjustment available depends on the
selected output rate.
If a sizing limit has been reached, the LCD screen will display Min or Max.