Raymarine axiom pro 9 RVX Installation Instructions Manual page 143

1. Unpause — Selecting this option resumes live sonar scrolling.
2. Scroll back bar — Use this to move back and forward through the
available sonar history. You can either drag the position indicator
right or left or select a specific location on the bar to jump to that
position.
In Sonar, DownVision and SideVision channels, subsequent swipes
will rewind the sonar history and swiping in the opposite direction
will fast forward the sonar history.
57