Garmin 100 BLUE Fish Finder User Manual


 
17
Unit Operation
NOTE: When the frequency is set to Dual, the appearance
of the sh symbols will change. Fish returns from the center
of the beam will be black, but the sh returns from the edges
of the beam will be clear.
Whiteline
Whiteline controls how the unit displays information about the
bottom type (hard or soft). With the Whiteline OFF, the bottom return
will display as black and contain no information on bottom hardness. With
Whiteline ON, the bottom return will become gray-scaled. The degree of
gray-scale can be used to determine bottom hardness. See page 33 for more
details on this feature.
To change the Whiteline Setting:
1. Highlight the Chart tab on the Setup Menu.
2. Highlight the Whiteline selection eld and press ENTER.
3. Choose On or Off and press ENTER to accept the selection.
Scroll Speed
You can adjust the speed that the chart scrolls from right to left by
using the Scroll Speed selection eld. If you are sitting still or the chart is
moving too fast, slowing the scroll rate can be bene cial.
To adjust the Scroll Speed:
1. Highlight the Chart tab on the Setup Menu.
2. Highlight the Scroll Speed selection eld and press ENTER.
3. Choose Fast, Medium, Slow or Pause, then press ENTER to accept
the selection.
Setup Menu: Chart Tab
F
Fish Symbols in Dual Frequency Mode
Whiteline Selections
FF 100 Blue.indd 09/18/01, 2:58 PM17