Protect; Rotate Image - Nikon coolpix A900 Reference Manual

Protect

Press the c button (playback mode) M d button M Protect M k button
The camera protects selected images from accidental deletion.
Select images to protect or cancel protection from the image selection screen
(A109).
Note that formatting the memory card or the camera's internal memory permanently
deletes all data including protected files (A148).

Rotate Image

Press the c button (playback mode) M d button M Rotate image M k
button
Specify the orientation in which saved images are displayed during playback. Still
images can be rotated 90 degrees clockwise or 90 degrees counterclockwise.
Images that were saved in the "tall" orientation can be rotated up to 180 degrees in
either direction.
Select an image from the image selection screen (A109). When the rotate image
screen is displayed, use the multi selector JK or rotate it to rotate the image 90
degrees.
Rotate image
Back
Rotate 90 degrees
counterclockwise
Press the k button to finalize display orientation, and save orientation information
with the image.
Using the Menu
The Playback Menu
Rotate image
Rotate Back Rotate
135
Rotate image
Back Rotate
Rotate 90 degrees
clockwise