Lowrance electronic LMF-400 - Manual (Page 14)

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Dual Digital (from left to right), Quad Digital, Synchronizer and Trim
Tabs page.
Dual Digital
The Dual Digital page features a pair of digital gauges which can
display: Alt Voltage, Battery Voltage, Engine Temp, Atmospheric
Pressure, Temperature, Depth, Engine Load, Total Engine Hours, Fuel
Flow, Fuel Economy, Fuel Remaining, Fuel Range, Paddle Wheel
Speed, Pitot Speed, GPS Speed and Tachometer.
Quad Digital
The Quad Digital page has four digital gauges capable of displaying:
Alt Voltage, Battery Voltage, Engine Temperature, Atmospheric
Pressure, Temperature, Depth, Engine Load, Total Engine Hours, Fuel
Flow, Fuel Economy, Fuel Remaining, Fuel Range, Paddle Wheel
Speed, Pitot Speed, GPS Speed and Tachometer.
Synchronizer
The Synchronizer page will show RPM for up to three engines, allowing
users to synchronize the engines for smoother performance.
Trim Tabs
The Trim Tab page monitors the position of the Trim Tabs using either
percentages or degrees as units of measure.
Viewing options
The pages may be viewed on the screen in one of two ways. You can
scroll through them manually by using the
ENTER and EXIT keys or set
them to scroll automatically via the Page Scrolling function. We'll
explore Page Scrolling in greater detail later in this section.
NOTE:
The ENTER and EXIT keys work together to help you scroll through
pages on the main display. Pressing the ENTER key moves the scroll
in one direction. Pushing the EXIT key moves the scroll in the other
direction.
Basic Menu
Each page has its own menu. The menus vary somewhat from page to
page, but all include these basic menu categories: Page, Screen, Audio
Setup and
System Setup.