NorthStar Echo Sounder 491 Operation Manual page 49

Bottom depth box
Temperature box
This key won't appear
unless a temperature
sensor is installed and
configured.
491 Echo Sounder Operations Manual
Press BOTTOM BOX to set the size and location of the box
displaying the bottom depth (white numbers on a black
background).
Press this key again to cycle through the available sizes: small,
medium, large, and huge.
Press the CURSOR PAD up and down to set the position of the
box at the left edge of the screen.
Press TEMP BOX key to set the size and location of the box
displaying the water temperature (white numbers on a black
background).
Press this key again to cycle through the available sizes: off,
small, medium, large, and huge.
Press the CURSOR PAD up and down to set the position of the
box at the left edge of the screen.
Echo screen data selections
Page 45