Quotes can be displayed the following ways:

Curve:
Screen Shot 2013-11-28 at 10.19.15 PM


OHLC:
Screen Shot 2013-11-28 at 10.19.31 PM


Candlesticks:
Screen Shot 2013-11-28 at 10.19.47 PM


Heikin-Ashi:
Screen Shot 2013-11-28 at 10.20.07 PM

To switch from a display to another, you can use the keyboard (G) for curve, (C) for candlesticks, (Shift-C) for Heikin-Ashi and (O) for OHLC. You can also use the menus, either main menu or the chart popup menu.