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G-Code marlin, go to point from G29

Posted by jumbo125 
G-Code marlin, go to point from G29
February 17, 2020 02:30PM
Hello everyone

I I have a problem with my bed leveling(Anycubic i3 mega). i flash my printer with the marlin firmeware, because i want use the mesh bed levling. After leveling all 25 points, the test was not so good.
My test-code was:
G28
G26 C H200 P5 R25 Q4.2 Z4

So i look for a method to set everyone point without leveling all 25 points. I found this code:
G29 S0
it shows all 25 point coordination value.

to set a new value, i use:
M421

e.g.: M421 I4 J4 Q+0.02

HOW can i test only this one point?
I want to go to the point directly. For example:

I set M421 I4 J4 Q+0.02
now, i want to go to this position. OR to position I2 J3
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