Lowrance LMF-400 Installation And Operation Instructions Manual page 31

1. Scroll through the displayed pages until the Trim Tab page is on the
main display.
2. Press , select and press , which will launch
MENU C T ENTER
ALIBRATE AB
the following message: Bring Tabs Full Up Press Enter.
3. Adjust the position of the Trim Tabs to the Full Up Position and
press . A second message will appear: Run Tabs Full DN (Down).
ENTER
4. Move the Trim Tabs into the full down position. The Trim Tabs are
now calibrated. Recalibration can be performed at any time and as
many times as necessary by following the step by step trim tab
calibration instructions listed in this section.
Trim Tabs menu (left). When calibrating Trim Tabs, the Full Up
message (center) appears first. It is followed by the Run Tabs Full
Down message (right).
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