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Programming MLC-1 

(Single actuator, Single station)

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 

Automatic Tab Adjustment to Last Setting:

 

When the accessory switch or ignition key switch (connected to keypad terminal #7) is 
turned off, the tabs will automatically retract. When the accessory switch or ignition key 
switch is turned back on, the tabs will adjust to the last know position before key switch 
was turned off. You may enable this feature by adjusting program setting #1 to a value 
showing LED R2 from the programming chart (see programming chart). Turning the main 
power supply or battery selector switch to the off position will erase or reset the last tab 
setting, so a new setting will be saved for the next trip. 

Set Actuator Deployment Time:

 

Follow the programming chart below to program the MLC keypad to match the actuator 

deployment time. Actuators that begin with part number or serial number “A or B” have 

an 8 second deployment 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” have a 6 second deployment 

time and must be programmed to this.  

Change LED Indicator Tracking:

 

The LED indicators are set to show the approximate tab angle and movement which is the 
default  setting.  This  setting  may  be  changed  to  show  what  direction  the  port  and 
starboard  side  is  moving.  This  setting  can  be  changed  by  following  the  program  chart 
below and changing setting  L3 to R2. 

 
 

Flashing Led indicates 
Setting: 
L1=top left LED 
L2=second left LED 
L3=third left LED 

Press and release left button 
to adjust betwee

n “Settings” 

L1=top left LED, L2=second 
left LED down, L3=third left 
LED 

Press top and bottom buttons 

simultaneously for 4 seconds to 

enter program mode and again 

to exit and save.  

Press and release right button to 

change Setting Value. 

LED indicates Setting Value: 

R1=top right LED 

R2=second right LED 

R3=third right LED 

R4=fourth right LED 

R5=bottom right LED 

                 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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