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4.

 

Terminal 7 must be connected to ignition key run position or accessory switch 
to automatically retract the tabs when key is switched to OFF.  

 

Verify Display Settings and Operation MLC-1 

(Single actuator, Single station)

 

   

 

 

 

 

 

 

 

 
 
 
 
 
 
 
 
   

 

 

 

 

 

 

 

 
 
 
 
 
 

Set Actuator Deployment Time:

 

Follow the programming chart and instructions on page  7 to program keypad to match 
the actuator deployment time. 
 

Verify Connection and Operation:

 

1.

 

Press  the  “Bow  Down”  button  (top  button),  and  both  actuators/tabs  deploy 

simultaneously.  

2.

 

Press  the  “Bow  Up”  button  (bottom  button),  and  both  actuators/tabs  will  re

tract 

simultaneously.  

3.

 

If  the  tab  or  tabs are  moving  in the opposite  direction  as described,  switch  the  two 
actuator  wires  from  the  actuator  that  moves  in  the  wrong  direction  ((move  3  to 
position 4 and 4 to position 3 for port actuator) at the 7 pin plug, and switch 5 and 6 in 
the same manner for the starboard actuator and repeat the testing process). 

4.

 

Press the “Starboard Side Down” button (right button), and the starboard actuator will 

retract until fully retracted at which point the port actuator will deploy. 

5.

 

Press the “Port Side Down” button (left button), and the port actuator will retract until 

fully retracted at which point the starboard actuator will deploy. 

6.

 

If the wrong tab is moving as described in step 4 and 5, exchange wires 3 and 4 with 5 
and 6 at the green 7 pin plug and repeat the testing process. 

Photo sensor to 
automatically brighten 
and dim LEDs 

LEDs indicate tab 
position 

Adjust Bow Down or Bow 

Up Buttons.  Adjusts both 

tabs simultaneously 

Adjust Port or Starboard 

sides up or down 

                 MLC-1 Display 

Summary of Contents for MLC-1

Page 1: ...ling Control Installation Operation Linear Devices Corporation dba Lectrotab 11126 Air Park Road Suite G Ashland VA 23005 www lectrotab com Phone 804 368 8428 Fax 804 368 8438 ELECTROMECHANICAL TRIM T...

Page 2: ...f Contents Introduction 3 Safety 3 How Do Trim Tabs Work 4 Display Panel Installation Wiring 5 Verify Display Settings Operation 6 Programming Display 8 Programming Chart 9 Troubleshooting 10 Specific...

Page 3: ...tch or ignition key switch Easy upgrade from rocker switch or Oval control Completely sealed and waterproof display Automatic dimming of display LED indicators in darkness and brighten in sun light Op...

Page 4: ...ts trim tabs allow the boat to get up on plane faster Faster planing can be accomplished by lowering the tabs to the fully deployed position As the boat achieves plane trim tabs may be raised until th...

Page 5: ...splay connector 3 Mount the display with the washers and nuts provided Important For retrofit installations always disconnect the wires from the original control panel before connecting to the MLC Swi...

Page 6: ...actuator that moves in the wrong direction move 3 to position 4 and 4 to position 3 for port actuator at the 7 pin plug and switch 5 and 6 in the same manner for the starboard actuator and repeat the...

Page 7: ...ition key switch is turned off the tabs will retract automatically and the display will turn off Another option is to connect terminal 7 to an accessory switch so the tabs will only retract when this...

Page 8: ...ployment time This is the default time and no programming is necessary Actuators that begin with C or D have a 4 second deployment time and must be programmed to 4 seconds Actuators that begin with S...

Page 9: ...Mode Sequence Setting Enter Change Setting Change Setting Value Setting Value Default Program Details 1L Auto Retract Last Setting Press Bow Down and Bow Up 4 sec Press Release Port Bow Side Down Pre...

Page 10: ...connected to the ignition key switch or accessory switch Turn key switch or accessory switch to ON and make sure battery selector switch is turned on 3 Measure voltage at terminal 1 green plug 12 or...

Page 11: ...11...

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