Garmin 250/250c Fishfinder (DVD)
$ 27.95 $ 34.95
Step-By-Step Instructions Include:
- How sonar works
- Interpreting the signals
- Locating fish & structure
- Adjusting the sensitivity
- Using the zoom modes & setting the zoom range
- Frequencies and area of coverage
- Manually adjusting the depth range
- Setting fish and depth alarms
- Clearing unwanted signals and interference
- Customizing the unit
