Turn off the power and pull the top part of the front panel forward.
Pull out both links on the lower part of the front panel, as shown.
Push the top part of the panel closed and pull the bottom part of the panel forward until it is secured in place.
Remove the picture.
Turn the picture and mat face down and remove the protective tape on the mat.
Center your picture or photo on the back of the removed photo. (Recommended picture/photo size: 17 23/32'' X 17 23/32'' (450 mm x 450 mm))
Flip the mat over, align it with the edges of the backing picture, and press down on the mat until it sticks to the backing picture.
Slide the art under the tabs at the side of the front panel as shown until it is securely in place. Press lightly on the front panel to close it.
Reassemble the links on either side of the lower front panel to lock it in place. You can now turn on the product.
In case a mat is not used, recommended size of a photo/picture: 20 11/20'' X 20 11/20'' (522 mm X 522 mm)
When powering on after replacing filter and picture, the front panel should not interfere.