First, make sure that the Mach Speed Trio Onyx MP3 player is fully charged (if you use a rechargeable battery) or insert a new AAA battery. Then press and hold the Play button for 5+ seconds. This will turn off the MP3 player if it is on.
Retrevo has the manual for the Onyx here: http://www.retrevo.com/support/Mach-Onyx-2GB-MP3-Players-manual/id/2831dj281/t/2/ . You will need to enter a code to access the PDF.
Answers & Comments
First, make sure that the Mach Speed Trio Onyx MP3 player is fully charged (if you use a rechargeable battery) or insert a new AAA battery. Then press and hold the Play button for 5+ seconds. This will turn off the MP3 player if it is on.
Retrevo has the manual for the Onyx here: http://www.retrevo.com/support/Mach-Onyx-2GB-MP3-Players-manual/id/2831dj281/t/2/ . You will need to enter a code to access the PDF.
I hope this helps.
Cindy Wells