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zprobe [2019/04/15 23:10]
wolfmanjm [Configuration]
zprobe [2019/04/18 18:37] (current)
wolfmanjm [Rectangular Grid Compensation]
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 **NOTE** there is **NO** extrapolation in this version, However the very latest firmware will not jump when outside the probed area, it will just use the nearest edge heights instead. **NOTE** there is **NO** extrapolation in this version, However the very latest firmware will not jump when outside the probed area, it will just use the nearest edge heights instead.
  
-**NOTE** you **MUST** set Z0 correctly (or close) before issuing the G32 probe as it will move to the specified ''​initial_height''​ before it starts to probe so it needs to know where Z0 is approximately.+**NOTE** you **MUST** set Z0 correctly (or close) before issuing the G32 probe as it may move to the specified ''​initial_height'' ​(if set) before it starts to probe so it needs to know where Z0 is approximately.
  
 === Configuration === Configuration
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 </​callout>​ </​callout>​
  
-An initial_height ​must be set that tells the probe where to start the first probe from, this should be around 5-10mm above the bed, it will move to the absolute Z position specified here.+An initial_height ​**may** ​be set that tells the probe where to start the first probe from, this should be around 5-10mm ​above the probe height ​above the bed, it will move to the absolute Z position specified here before it starts the first probe. Fir instance this is useful for bltouch probes that are deployed automatically as it will lift the probe off the bed before moving to the first probe position.
        
 <​code>​ <​code>​