Contrast Level; Usb Connection - SUPPORTPLUS SP-MP3D-256 User Instruction Manual

Contrast Level

You can adjust the contrast level to low, middle and high by using the menu
Format
You can format the internal memory by using the menu.
First enter the menu and select the function " Format Memory".
And answer the "yes" to start the formatting!

USB Connection

Once you connected with PC and you player will show "USB RDY" means
USB ready ( if nothing to show pls check the player or USB cable)
You could download the music (mp3 or wma) files through USB port of your PC
to your player and following show the downloading status.