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# Clearing and Deleting Mattes and Colour Corrections

Use the C/R boxes next to the Work On box and Selective View box to reset a matte or a colour correction. C deletes the matte or colour correction at the current frame by setting a keyframe. R deletes the matte or colour correction for the entire animation curve.

(a) Work On box(b) C/R boxes(c) Selective View box

NoteIf there is no matte or colour correction associated with the correction, the C/R button is disabled.

To delete a matte for the entire animation curve:

1. Select the matte from the Work On box (Sel 1, Sel 2, or Sel 3).
2. Select R from the C/R box next to the Selective View box.

   The matte is deleted. All keyframes and colour corrections associated with the matte are also cleared.

   NoteKeyframes associated with the colour correction are not cleared.

To delete a matte at the current frame:

1. Select the matte from the Work On box (Sel 1, Sel 2, or Sel 3).
2. Select C from the C/R box next to the Selective View box.

   The matte is deleted at the current frame and a keyframe is set.

To delete a colour correction for the entire animation curve:

1. Select a matte or the entire image from the Work On box (Master, Sel 1, Sel 2, or Sel 3).
2. Select R from the C/R box next to the Work On box.

   The colour correction is deleted and all keyframes are cleared. If you selected a matte (Sel 1, Sel 2, or Sel 3) from the Work On box, the matte is unaffected and its keyframes are not cleared.

To delete a colour correction at the current frame:

1. Select a matte or the entire image from the Work On box (Master, Sel 1, Sel 2, or Sel 3).
2. Select C from the C/R box next to the Work On box.

   The colour correction is cleared at the current frame and a keyframe is set. If you selected a matte (Sel 1, Sel 2, or Sel 3) from the Work On box, the matte is unaffected and its keyframes are not cleared.