RIP TUNES MP1872 Instruction Manual page 12

FM Radio
Enter FM Radio
Select Radio in the main menu.
Manual Station Search
Press the M button and select Manual. You can now search manually by
pressing the  or  buttons. The frequency will decrease or increase by 0.1
MHz.
Auto-Search
Press the M button and select Auto, the player will search through every
station and store all available stations automatically. Press the  or 
buttons to tune to the preset FM stations.
Volume Control
Press and hold the  button to increase the volume and the  button to
decrease the volume.