{{heading}}
{{copyright}}
{{variables}}
{{start_lbl}}
{{switch_on_lbl}}
{{choose_fiber_lbl}}
{{ x.Fiber }}
{{choose_laser_lbl}}
{{ x.Laser }}
{{detector_distance_z_label}} {{detector_distance_z}}
{{detector_distance_x_label}}
{{show_vernier_reading_lbl}}
{{show_graph_lbl}}
{{reset}}