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I have tried to research the status of the Lionel S3 mars light on/off issue.I would like to be able to turn it off if desired but I cannot seem to find a definitive answer on status.I do not want to open the S3 up and rewire stuff.I have updated my Legacy to 1.5 on Cab 2 and base.I also have the recent utility on my PC. Am I correct in saying one can configure the mars Light toggle by using the utility or is there some other fix. If I have missed the post that addresses this I would appreciate being pointed in right direction. Appreciate Al B.

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You have V1.51 Legacy so you are all set to turn off

the Mars light on the S3.

 

With the S3 selected by the Cab 2, press and hold 

AUX2 for about a second and a screen with only

light displays will come up on the cab2. One

of the icons will turn on/off the mars light.

 

If you look on Pg 37 of the manual for V1.5 it has

the Touch Screen Icons.

Originally Posted by Southwest Hiawatha:
Originally Posted by SantaFeFan:

Sorry, the MARS is reset to "ON" at each power up.

 

Thanks. I'll have to take it apart and disconnect the silly thing, but I'm reluctant to do that since removing the boiler voids the warranty. 

Instead of "taking it apart", just try opening the smokebox/front "door", and disconnecting the wires to the red light.

Great idea, thanks. Why didn't I think of that?
 
 
Originally Posted by Hot Water:
Originally Posted by Southwest Hiawatha:
Originally Posted by SantaFeFan:

Sorry, the MARS is reset to "ON" at each power up.

 

Thanks. I'll have to take it apart and disconnect the silly thing, but I'm reluctant to do that since removing the boiler voids the warranty. 

Instead of "taking it apart", just try opening the smokebox/front "door", and disconnecting the wires to the red light.

Because the remote has the ergonomics of a brick, and Lionel accomplished what I thought was impossible, to create a remote control system that was less intuitive than DCS. Also the speed readout is non-linear and not in SMPH. I have only two Legacy locomotives, and the S3 is the only one that I would have any interest in using Legacy features. I've tried Legacy at a friend's house; I don't like it much. 
 
Originally Posted by RickO:

Why not just upgrade to Legacy and turn it off with the buttons, you'll get more out of your S3 to boot. Do it now while theres still a decent market for second hand tmcc systems.

Legacy brings up a set of icons to control the lights

by pressing Aux2. Pressing the correct icon will turn off

the S3 mars light. The Legacy system may be

programmed to send out a set of words that only the

S3 can detect to turn off the mars light. By pressing

the correct sequency of buttons on the Cab1, the S3

mars light should turn off. When the mars light first came up

there was a post on the forum by Mike Regan about a sequence

of button presses to turn off the mars light.

Originally Posted by pa:

Legacy brings up a set of icons to control the lights

by pressing Aux2. Pressing the correct icon will turn off

the S3 mars light. The Legacy system may be

programmed to send out a set of words that only the

S3 can detect to turn off the mars light. By pressing

the correct sequency of buttons on the Cab1, the S3

mars light should turn off. When the mars light first came up

there was a post on the forum by Mike Regan about a sequence

of button presses to turn off the mars light.

I can't comment as to what Mike posted, but I can state that a Cab-1 *will not* allow the Mars to be turned off on the S3.  I wrote the code, designed the hardware, and know this subject matter 100% 

 

There are only so many key combinations on a Cab-1 that can be used for options, and it is simply not possible to create a series of key sequences for such lighting features that can be possibly remembered by the users.

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