91. Parts and their functions1-4. Transition area [BKGD] switchThis executes the background transition when the [AUTO] switch () or fader lever() has been operated.When the [BKGD] switch is pressed and it is selected, its indicator is lighted in red.If the [KEY] switch () is now pressed, the indicator goes off, and the de-selectedstatus is established.However, when the [BKGD] switch and [KEY] switch () are pressed at the sametime, both switches are set to the selected status.The selection status cannot be changed while a transition is being executed orsuspended. [KEY] switchThis executes the key transition (MIX) when the [AUTO] switch () or fader lever () has been operated.When the [KEY] switch is pressed and it is selected, its indicator is lighted.When a transition is executed and the key ON status is established, the [KEY] switch lights in red. Whenanother transition is executed and the key OFF status is established, it lights in amber.If the [BKGD] switch () is now pressed, the indicator goes off, and the de-selected status is established.However, when the [BKGD] switch () and [KEY] switch are pressed at the same time, both switches are set tothe selected status.The selection status cannot be changed while a transition is being executed or suspended. KEYON status indicator LEDThis lights in red when the key ON status is established. [MIX] switchThis is used to switch the A and B bus images while making them overlap.During the transition, the A and B bus output total is kept at 100 %.When the [MIX] switch is pressed and it is selected, its indicator lights in amber.If the [WIPE] switch () is now pressed, it goes off, and the de-selected status is established. [WIPE] switchThis is used to execute the transition using the pattern selected by the wipe pattern selector switch ().When the [WIPE] switch is pressed and it is selected, its indicator lights in amber.If the [MIX] switch () is now pressed, it goes off, and the de-selected status is established. [AUTO] switchThis is used to automatically execute transitions (auto transition) using the transition time which has been set.During auto transition its indicator lights in red. When the switch is pressed again during auto transition, theauto transition operation is suspended, and the indicator lights in green. When it is pressed again while autotransition is suspended, the remaining transition is executed.The indicator goes off when auto transition is completed.When the [AUTO] switch is pressed while the fader lever () is at an interim position, the remaining transitionis executed using the transition time which has been set.