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Congratulations on your purchase of Active Trim. 
Active Trim is Mercury Marine’s patented GPS-based automatic 
engine trim system. This intuitive, hands-free system continually 
adjusts engine trim for changes in operating conditions to improve 
performance, fuel economy, and ease of operation. It responds to 
boat maneuvers with precision and delivers a better overall driving 
experience. No knowledge of trimming an engine is needed to take 
advantage of Active Trim.

•  As the boat accelerates, the engine will trim out.

•  As the boat decelerates, e.g. making a turn, 

the engine will trim in.

•  Active Trim can be overridden at anytime by using the regular 

manual trim buttons.

•  Active Trim allows the boat operator to compensate for changes 

in boat load, driver preferences, and weather conditions while 
maintaining full automatic control.

Quick Reference 

Guide

Active Trim

 P/N 90-8M0111820   JANUARY 2016
© 2016 MERCURY MARINE. All rights reserved. Reproduction in whole or in part without permission is prohibited.

Trim Profile Adjust

Lets the boat operator adjust the Active Trim 
profile to account for changes in load, water 
conditions, etc.

System Status Light

Alerts the boat operator to the status of the Active 
Trim system:

• 

AMBER SOLID

 – system working normally.

• 

AMBER FLASHING

 – user override, system 

not actively controlling. (Press On/Resume to 

resume Active Trim control.)

• 

RED FLASHING

 – No GPS signal, system not 

actively controlling. Operatate the trim manually 

until signal is established. System will recover 
on its own.

• 

RED DOUBLE FLASHING

 – system fault, system 

not actively controlling. 

On/Resume

Press the On/Resume button to turn 
Active Trim on. On/Resume also allows 
the boat operator to resume automatic 
control mode when in manual operation.

Off

Turns off Active Trim for operators who 
want full manual control. No automatic 
trim features are available when Active 
Trim is off.

Trim Profile Indicator

Indicates currently selected trim profile. 
Higher number will provide more trim at 
a given speed.

Boatbuilder/Dealer: Place in owner’s bag

Boat Owner: Place in glovebox for reference

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