Options on full-sized photo view●Slideshow—Starts the HP Media Sign Player. Only the files marked or selected are played unless there are no files marked, and then all files in the selected folder play in the order they appear in the Photo List. Set the time interval for all of the slides in the slide show in the Options dialog box.
●BGM (Background Music)—The HP Media Sign Player plays audio files while showing the selected images from the Photo List. Before selecting this option, you must select the Music Folder for BGM in the Option dialog box. For more details on audio files, refer to Using Music List on page 43.
●Rotate icon 
—Use the rotate icon to change the orientation of the slide show 90° with each touch of the rotate icon (90°,180°, or 270°) clockwise. When the image is rotated using the rotate icon, the image will be scaled to fill the screen, and any image not specifically created for a portrait viewing (90° or 270°) might be distorted or out of proportion in the rotated orientation.
●Delete—Deletes files from the USB storage device. A verification dialog box appears to confirm that you want to delete the file.
●Option—Sets values for the Slide Speed and the Music Folder for BGM. Use the down arrow ▼, up arrow ▲, left arrow ◄, or right arrow ► button and the OK button to set values. Press OK to save the settings. You cannot change the Music Folder while BGM is playing.
●Hide—Hides the HP Media Sign Player Option menu. The Option menu hides automatically after about 40 seconds if no options are chosen. To have the Option menu appear again, press the OK button on the remote control.
Using Music List
After selecting the Music List option, select the drive, and then select the folder with the desired audio files. A list of the files in the folder appears. If you select a folder which does not have supported files, the message No Music List in the Folder appears. When you highlight a file, you can mark the file to play by pressing the MARK button on the remote control. If you highlight and press the OK button on any file in the list, the Music selection and menu options appears.
Information about using Music List:●MUSIC (*.MP3) supporting file—Purchased music files (*.MP3) might contain copyright restrictions; playback of these files might not be supported.
●Bit rate 32 to 320kbps.
●Sampling rate MPEG1 layer 3—32 kHz, 44.1 kHz, 48 kHz.
●Damaged or corrupted music does not play but displays 00:00 in playtime.