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The manual covers most of the icons in HUD, so I'm not positive which ones you are talking about. For example, the manual states: The line with a plus symbol on it, shown in Figure 8, directly under the blue box, shows which direction the aircraft’s nose is pointing.
The HUD may also have changed slightly since that section of the manual was written. Attaching a screenshot with the items circled you have the questions about might be helpful.
Thanks for getting back to me. The icon in question is included here. My guess is that the answer was staring me right in the face and I just overlooked it, but I checked two or three times.
The icon, which appears at the top of the screen, near the right corner...
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