| Single/Dual | Single, Dual | | Frequency | 28 - 200 kHz | | Power | 1, 2, 3 kW |
- Variety of presentation modes: Marker Zoom, Bottom Discrimination, Bottom Lock Expansion, A-scope and many more
- FURUNO Free Synthesizer (FFS) transceiver on the ETR-30N allows you to choose any two operating frequencies from 28 to 200 kHz
- Two selectable automatic gain control modes: Cruising and Fishing modes to match your style of boating
- Wide output power range selectable from regular 600 W to powerful 3 kW
- Two pages of fish finder images can be stored and displayed
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