[
  { "chart_title": "RPM",
    "yaxis_label": "RPM",
    "tag": "RPM",
    "low": 0,
    "high": 3000,
    "plot_color": { "r": 0.0, "g": 0.4, "b": 0.8 }, "init_visibility" : true },

  { "chart_title": "Fuel",
    "yaxis_label": "%",
    "tag": "Fuel",
    "low": 0,
    "high": 100,
    "plot_color": { "r": 0.4, "g": 0.8, "b": 0.0 },
    "init_visibility" : true }
]