Adjusting The Echo Sounder Picture - NorthStar 490 Echosounder Operation Manual

490 Echo Sounder Operations Manual Rev. B2
Adjusting the Echo Sounder Picture
The picture menu . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Adjusting the gain (strong echoes) . . . . . . . . . 3-2
Adjusting the clutter (weak echoes) . . . . . . . . 3-3
Adjusting the signal level (weak echoes) . . . 3-4
Suppressing interference (the noise limiter) 3-5
Selecting the color bar (hue) and white level 3-6
T
his chapter explains the different ways you can adjust the
echo sounder's picture, including gain, clutter, the noise
limiter, white level, and signal level.
Page 3-1