Humminbird 398ci SI Combo Operation Manual page 60

Ice Fishing Mode: On
When Ice Fishing Mode is on, the Circular Flasher View displays the sonar
data in traditional flasher format with additional features including Zoom and
Depth Cursor.
• Sensitivity: When you turn on Ice Fishing Mode, the fishfinder's
sensitivity settings are adjusted automatically to accommodate ice
fishing conditions. These settings will apply to the other Sonar Views
until you turn off Ice Fishing Mode (see Set the Circular Flasher View
Mode in this section).
• 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, Lower Range, and Color Palette.
• Color Palettes: The color preview bar in the center of the display
indicates the current palette, and the weak to strong sonar return range
is displayed from left to right. To change the color palette, see Flasher
X-Press™ Menu: Color Palette.
• The Digital Readouts cannot be customized.
Battery Icon indicates
the percentage of
battery power
Current Color Palette
Sensitivity
(see Flasher
X-Press™ Menu)
Noise Filter
(see Sonar Menu Tab)
Views
Circular Flasher View
(Ice Fishing Mode: On)
48
Zoom Setting (Off)
Flasher Dial
Depth
Units of Measurement
Beam Select
(see Sonar Menu Tab)