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Methods of adjustment
1. Select Service Blanking (SBL) and set it to 1. The lower half of the picture will be
blanked.
2. Press the MENU UP/DOWN buttons to select Vertical Slope (VSL).
3. Align VSL to start the blanking exactly at the horizontal white line at the center of
the test circle (align the bottom of the screen so that castellations just disappear).
4. Press the MENU UP/DOWN buttons to select SBL and set it back to 0. The full
picture reappears.
5. Select Vertical Amplitude (VAM) and align the picture height to approximately
13.0 - 13.1 blocks (align the top of the screen so that castellations just
disappear).
6. Select Vertical Shift (VSH) and align for vertical centering of the picture on the
screen.
Repeat the last two steps if necessary.
The table below lists the default GEOMETRY values for the different television sets.
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