18. SETUP button
In DVD mode press it to enter the setup menu.
19. ANGLE /ACCEPT button
In DVD mode, press it repeatedly to change the viewing angle (Available only with a recorded DVD file or DVD disc that has this function).
In BLUETOOTH mode, press to make a call after inputted a phone number or accept an incoming call.
20. INT /REJECT button
Press it to activate the intro function. You can play the beginning of every track for 10 seconds in sequence.
In BLUETOOTH mode, press to reject a coming call or hang up while calling
21. VOL+ button
Press to increase volume level.
22. A-B/ZOOM button
During playback, press it at the starting point of section you want to repeat (A), press this button again at the ending point of the section you want to repeat (B), section
Press it and hold for two seconds in DVD mode to zoom the image in or out in the sequence of ZOOM
23. SEL button
Press it to enter the SOUND SETTING menu, and press Cursor UP/DN buttons to choose an item and press cursor left/right buttons to set the item. Press SEL button again to exit the menu.
24. 
/ SEEK+ button
In DVD mode, Press 
button to skip to the next track. Press it and hold 
button for two seconds to activate fast forward (FF) search in a track.
In RADIO mode, press 
button to start searching automatic, press and hold for two seconds to start manual searching 
button Frequency up.
25. VOL- button
Press to decrease volume level.
26. AUDIO/GOTO button
In DVD mode press it to select the audio language.
In VCD mode, press it to select the sound track in the sequence of MONO L =>MONO R =>STEREO.
Go to: in DVD mode，press and hold for 2 seconds to show TIME SEARCH menu, select number and confirm to go to certain position directly. When press
button to enter TITLE/CHAPTER selection mode, select number and confirm to go to certain TITLE or CHAPTER position directly.
27. OPEN/TILT button:
Press it to adjust the tilt angle of monitor.(The open button is an option without function)
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