NorthStar 961 Reference Manual page 106

Chapter 4 - Understanding the Chart Screen
Clearing
chart-screen menu
Page 4-14
From this point, you can view this current station's data for
today's date. To view past days for a selected current station,
press the LEFT ARROW key. To view future days, press the
RIGHT ARROW key. Use the CURSOR PAD to choose the day,
hour, or minute selection for the LEFT ARROW and RIGHT
ARROW keys.
To cancel the currents view at any time, press the OVERLAY
key, then press the HIDE CURRENTS key.
For more about the currents function, including how to view
currents anywhere on the CHART screen, see "Understanding
the currents function" starting on page 12-15.
You may want to clear the CHART screen's menu keys to help
reduce on-screen clutter and show more of the area around
your vessel. To remove all the menu keys displayed on the
keys
CHART screen, briefly press the CLEAR key; to return the menu
keys to the CHART screen, press any menu key.
You may want to temporarily remove everything from the
CHART screen—except for your vessel symbol, the range rings,
and of course, the chart itself. To remove all other symbols
Chart screen with currents graph and current station bar
961/962 Operations and Reference Manual, Rev. A