Mach Speed Technologies TRIO A1000 - Manual (Page 6)

5
Please note that if you do not press and hold the PLAY button before
setting the ON/OFF switch, the device will not retain any settings
changes you have made.
Adjusting the volume: In Music, Record, Radio modes, press the
VOL- or VOL+ buttons to decrease or increase the volume.
 Charging the player: To charge your player, set the ON/OFF switch
to the ON position and connect the device to a powered USB port.
Loading Files
Using Windows Media Player
(Note: you must use Windows Media Player 10 or later to use this
feature.)
(Note: this player does not support DRM encrypted audio files, such as
those downloaded from the Overdrive download service.)
1. Open Windows Media Player and connect the MP3 player
to a working USB port.