7.Border: controls the border style and color for the Picture in Picture effect. This control is accessible when the Picture in Picture controls,
Wipe and Zoom effects. (22.) are engaged.
8.Background: when Background is selected in either the Main or Sub Video Source (14, 15.), and the ON button is pressed (and the LED is lit), repeated
presses of the color button cycle through the 8 possible solid backgrounds.
9.Video or Audio: selects the
10.GPI (General Purpose Interface) function: ON/OFF, allow
11.PLAY: Play memorized function key from F1 to F30 in sequence.
12.TAKE: Switch the video or audio source setting from one to another.
13.
10