A standard wipe causes the preview image to appear to unroll over the program image horizontally or vertically. A standard wipe can have either hard (sharp) or soft (fuzzy) edges. The preview image can have the following transitions (figure 3-32):

From left to right

From right to left

From top to bottom

From bottom to top

left to right

right to left

top to bottom

bottom to top

Figure 3-32 — Standard wipe transitions

A curtain wipe causes the preview image to appear to unroll over the program image in two directions simultaneously. A curtain wipe can have either hard (sharp) or soft (fuzzy) edges. The preview image can have the following transitions (figure 3-33):

In from the left and right edges of the screen to the center of the screen

Out from the center of the screen to the left and right edges of the screen

In from the top and bottom edges of the screen to the center of the screen

Out from the center of the screen to the top and bottom edges of the screen.

Figure 3-33 — Curtain wipe effects

A plus wipe causes the preview image to appear to unroll over the program image in one of two transitions (figure 3-34):

Starting in all four corner of the screen and moving in to the center of the screen.

Starting at the center of the screen and moving out to the corners of the screen.

Figure 3-34 — Plus wipe effects

SGS 408 Switcher • Operation 3-17

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Extron electronic SGS 408 manual Standard wipe transitions