Mach Motion has not received any emails or phone calls from you and I have been on a job site for the last few weeks, so I apologize that I could not respond quicker.
I spent today reviewing your list and could not find any issues with the screen. However Mach does have a few bugs its self that you are seeing on 2 of the case's
Please read over Artsoft's bug list... oh wait it is not up yet

when it is made available.
We currently have hundred of people running the screen and have not reported back any of these issue, please watch the videos included and/or read the Mach Manuel.
With the little time I have I can post some quick guide to the problems you are having.
First off very important:
Chapter 3.2.1: Most will not work unless Mach3 is reset and out of the EStop state, You have a valid license of Mach and are not running in DEMO MODE.Screen Limits:
Soft limits :
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Soft Limits is working you have to set them in the config panelZ Inhibit off :
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Check under Config/Safe_Z_limit (check that it is set to machine cord)Machine
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This is to change the top DRO’s to display machine cords/Offset cordsTo Go
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This is to change the top DRO’s to display distance to goOn-line
6.2.15.4 Offline
This toggle and warning LED "disconnects" all the output signals of Mach3.
This is intended for machine setup and testing. Its use during a part program will cause you all sorts of positioning problems.Screen Controls:
Single Block
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You can not Feed Hold the machine and then do a Single Block6.2.7.5 Single BLK
SingleBLK is a toggle (with indicator LED). In Single Block mode a Cycle Start will
execute the next single line of the part program and then enter FeedHold.M1
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You will need an M1 Command in the Gcode…you cant nest a M1 currently in MachScripting
Brains
- You will need to click on the top menu and hit Brain Control.
This is a know bug…Hopfully this will be resolved in the next Mach updatee
Tool Path:
Codes
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Don't know what you mean?Manual override off limits
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You need to have tripped a switch to turn this on.Jog Mode
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Works fine you might have to check you pin configJog on
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Works fine you might have to check you pin configIn Simulate mode, it acts as Run and do not show the Estimate Time
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This will not estimate time but do a Offline run. Use the Estimate time buttonRotate
Pan
Zoom, such functions do not work
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All of the above are for the toolpath screenTool Offset Information:
Auto Zero
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This might not work on your machine. You may need certain hardware.
Remember
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You have to set " remember" first, then hit "return"Ignore tool change on:
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This is working no know issuesIf you can not resolve the issue with the answers above please email Mach Motion and they would be more then happy to talk to you on the phone or via email.