Setting Up The Video Image Overlay - NorthStar Echo Sounder 491 Operation Manual

Setting up the video image overlay

If you've connected the 957/958 to an NTSC-compatible
device, you can display the image on the echo sounder screen.
To display the video image on the ECHO SOUNDER screen,
first press MORE, then press VIDEO.
To change the transparency of the image while you're
displaying the ECHO SOUNDER screen, go to a different
screen, press the navigator's IN or OUT keys, then return to the
ECHO SOUNDER screen.
To change the size and placement of the image on the ECHO
SOUNDER screen, press the STAR key to display the
navigator's VIDEO SETUP screen, then follow the instructions
on the screen.
491 Echo Sounder Operations Manual Page 49