NAVIGATIONAL INSTRUMENTS**

SONAR

1. Sound and image

2. FREQUENCIES (50 KHz - 200 KHz )

3. Image speed

4. Fish size calculation

5. Bottoms hardness calculation (color palette)

6. Fish identification and fish length calculation
   (fish bladder)

7. Baitfish tracking and behavior

8. Combining bottoms type with the image for defining fish species

GPS

1. Waypoint (WPT)

• New waypoint

• Retrieving stored waypoints

• Editing waypoints

• Place mark points

• Using icons

• Adding Comments

• Grouping

        a. deep shallow

        b. point place

• Goto WPT

• DATA Backup

2. Routes

• creating new route

• taking route

• route correction

3. Charts

• chart usage

• choosing according to our needs

4. Buying the one according to our needs

5. Service Maintenance

6. Installation basics