To view a chart legend, or collar, do the following:
1. Go to the MAPS page and tap on the SETTINGS button (looks like a gear) and tap on MAP TOUCH ACTION.
Image 1. Go to MAPS > SETTINGS > MAP TOUCH ACTION.
2. Select BRING CHART TO FRONT WITH LEGEND.
Image 2. Select BRING CHART TO FRONT WITH LEGENDS.
3. Tap on any chart area to bring the legend for that chart up.
Image 3. Chart collar with legend showing.