Sony SRX-T423 Operating Instructions Manual page 46

You can adjust the masking areas with each of six
adjustment points.
1
Double-click one of the adjustment points.
The adjustment window opens.
2 Adjust a masking area by clicking the [Horizontal] or
[Vertical] /
both text boxes, while viewing the screen to check the
results.
The adjustment ranges for the values are 0 to 950 for
the four points at the corners and –500 to 500 for the
two points in the center.
3 Repeat steps 1 and 2 to adjust each point while viewing
the screen, and mask the screen as necessary.
Clicking the [RESET] button resets all the values to the
factory-preset settings.
c MUTING ON/OFF buttons
Clicking the [ON] button cuts off the whole picture on the
screen momentarily. Click the [OFF] button to restore the
picture. Activating the muting function blocks off lamp
light completely by use of a shutter, and displays the black
signal on the whole screen.
d CUT OFF ON/OFF buttons
Used for projecting 3D images. For details, contact your
dealer or your local Sony representative.
46
Location and Function of Controls
Adjustment point
buttons or by entering values in