503. Basic operations3-4-2. Selecting the key materialSelecting the key fill signalPress the [KEY] button among the AUX bus selector buttons to light its indicator, and press one of the AUX buscrosspoint buttons (1 to 32) to select the key fill signal.Selecting the key source signalSet the key source for key fill.This setting is the same for KEY and DSK. Setting with AUX bus crosspoint buttonsPress the [KEY] button (or [DSK 1/2] buttons) of the AUX bus selector buttons to light its indicator, and holddown the AUX bus crosspoint button for the selected key fill signal.XPTStats| FILL: INPUT1 SRC↓ INPUT1| XPT : 1Turn the [F5] and select a key source signal (SRC) for the key fill signal (FILL), and press the [F5] switch. Setting in the CONFIG menuPress the [CONFIG] button to light its indicator, and display the CONFIG menu. Refer to “2-1-5. LCD menu area”.Turn [F1] to display the KSAsign sub menu.CONFIG11|Fill |Source↓| |KSAsign | —| —| |IN1-16IN-A1IN-A2IN-B1IN-B2CBGDCBARFMEM1-4IN1-16IN-A1IN-A2IN-B1IN-B2CBGDCBARFMEM1-4NoAsignTurn [F2] to select the key fill material using the Fill item.Turn [F3] to select the key source material using the Source item, and press the [F3] switch.The luminance and chroma keys are used as self keys so the key fill signal can be used as the key sourcesignal regardless of the menu setting.