You can see how MACD works on main price chart.
Equivalency #1:
MACD oscillator: MACD line crosses the Signal line.
MACD_CW: Indicator Red line crosses the price bar.
Example in Fig.: Red vertical lines.
Equivalency #2:
MACD oscillator: MACD line crosses Zero.
MACD_CW: Indicator Silver line crosses the price bar.
Example in Fig.: Silver vertical lines.
Equivalency #3:
MACD oscillator: Signal line crosses Zero.
MACD_CW: Indicator Red line crosses Indicator Silver line.
Example in Fig.: Blue vertical lines.