Vertical Shift(VSH) Aligns the vertical center of the picture to the vertical center of the CRT. After performing this alignment, it may be necessary to perform the VAM alignment again.
Vertical Zoom(VX) Adjusts picture height.
Service blanking(SBL) Turns the blanking of the lower half of the screen ON or OFF (to be used in combination with the vertical slope alignment).
The table below lists the default GEOMETRY values for the different television sets.
Table: Default Geometry Values
Alignment | Description | 20RFL260/37R | 21PT839B/85R | 27RFL260/37R | 20RFL250/37R | 21PT639A/85R |
|
| BTSC | BTSC DBX | BTSC DBX | BISONIC | BISONIC |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
HP | Hor. Parallelogram | 31 | 33 | 33 | 31 | 33 |
|
|
|
|
|
|
|
HB | Hor. Bow | 30 | 30 | 30 | 30 | 30 |
|
|
|
|
|
|
|
HSH | Hor. S hift | 35 | 39 | 39 | 35 | 39 |
|
|
|
|
|
|
|
EWW | East West Width | 34 | 35 | 35 | 34 | 35 |
|
|
|
|
|
|
|
EWP | East West Parabola | 33 | 22 | 22 | 33 | 22 |
|
|
|
|
|
|
|
UCP | Upper Corner | 35 | 41 | 41 | 35 | 41 |
| Parabola |
|
|
|
|
|
|
|
|
|
|
|
|
LCP | Lower Corner | 35 | 41 | 41 | 35 | 41 |
| Parabola |
|
|
|
|
|
|
|
|
|
|
|
|
EWT | East West | 43 | 31 | 31 | 43 | 31 |
| Trapezium |
|
|
|
|
|
|
|
|
|
|
|
|
VSL | Vert. Slope | 33 | 31 | 31 | 33 | 31 |
|
|
|
|
|
|
|
VAM | Vert. Amplitude | 33 | 25 | 25 | 33 | 25 |
|
|
|
|
|
|
|
VSC | Vert. S | 32 | 35 | 35 | 32 | 35 |
|
|
|
|
|
|
|
VSH | Vert. S hift | 35 | 21 | 21 | 35 | 21 |
|
|
|
|
|
|
|
VX | Vert. Zoom | 33 | 25 | 25 | 33 | 25 |
|
|
|
|
|
|
|
