4-2 Single and Dual frequency fishfinding
When to use 200 kHz
The 200 kHz frequency is best for seeing deep bottoms, showing detail and reducing noise.
When to use 83 kHz
The 83 kHz frequency is has a wider
Auto frequency
This shows 200kHz detail on screen, but uses 83kHz beam for locating fish further from boat.
Wide angle, less detailed 83 kHz cone
Narrow angle, more detailed 200 kHz cone
Comparison of the same fish scenario displayed at different frequencies:
Now
30 seconds ago
1 minute ago
19 | NAVMAN | FISH 4432/4433 Installation and Operation Manual |