Humminbird 398ci SI Combo Operation Manual page 59

Ice Fishing Mode: Off
When Ice Fishing Mode is off, the Circular Flasher View displays Real Time
Sonar (RTS™) data in a traditional flasher format.
• Flasher X-Press™ Menu: Press the MENU key once in the Circular
Flasher View. Use the X-Press™ Menu to set the Sensitivity, Upper
Range, and Lower Range.
• Depth and temperature are always displayed.
• The Digital Readouts cannot be customized.
Flasher Dial
Circular Flasher View
(Ice Fishing Mode: Off)
47
Depth
Views