Use Practice Settings - Left Handed Instrument to make this choice.
String instruments can be displayed right or left handed.
Standard Right Hand Guitar - C Major chord
The right hand display shows the nut on the left with the first string on top (an open string rests on the nut on one end and the bridge on the other).
Left Hand Guitar - C Major chord
The left hand guitar shows the nut on the right with the first string on top.