update inst week04 and proverXL

docs/Instruction/tips/genmitsu_prover_xl_setup.md

@@ -308,6 +308,9 @@ Click **Surfacing** (Top-Center)
 !!! note
     PNG's ```G04 P1``` or SVG's ```G04 P1000``` need to be **commented out** for this machine, otherwise machine will stop on this line.
 
+!!! attention
+    ``T1M06`` may be also need to be commented out. This happened when **wchusbserial1440** did not appear in the device list to connect. Possibly CH340 driver may not be installed successfully.
+
 
 30x30_40x40mm_96dpi.png.nc  |SVG image.nc                |Meanig  
 -                           |---                         |--
@@ -320,7 +323,7 @@ G54                         |G54                         |G54 Set Datum
 G80                         |G80                         |G80 Cancel cycles
 G90                         |G90                         |G90 Absolute programming
 G94                         |G94                         |G94 Per minute feed
-T1M06                       |T1M06                       |T1 Tool Number, M06 Tool Change
+**T1M06**                   |**T1M06**                   |T1 Tool Number, M06 Tool Change
 F150.0000                   |F150.0000                   |F Defines feed rate
 S11000                      |S11000                      |S Defines speed
 G00Z2.0000                  |G00Z2.0000                  |G00 Positioning at rapid travel Z2.0000
@@ -363,7 +366,7 @@ Ref. [G-gode](https://gcodetutor.com/cnc-machine-training/cnc-g-codes.html),
 
 ![](../images/proverXL/node-path_to_G-code.png){width=300}
 
-Comment out ```G04 P1000```
+Comment out ```G04 P1000``` and
 
 ```
 //
@@ -402,7 +405,7 @@ function make_path() {
    str += "G80\n" // cancel canned cycles
    str += "G90\n" // absolute coordinates
    str += "G94\n" // feed/minute units
-   str += "T"+tool+"M06\n" // tool selection, tool change
+   //str += "T"+tool+"M06\n" // tool selection, tool change..................comment out
    str += "F"+cut_speed.toFixed(4)+"\n" // feed rate
    str += "S"+spindle_speed+"\n" // spindle speed
    if (mod.coolanton.checked)

docs/Instruction/tips/markdown_In-page_links.md

@@ -43,7 +43,7 @@
 #### abc_def!@#$%^&*()+|~=\`[]{};':",./<>?123-456
 
 [go to abc_def!@#$%^&*()+|~=\`[]{};':",./<>?123-456](#abc_def123-456)
-//ignore except alphabet, number, a"_" and "-"
+//ignore except alphabet, number, "_" and "-"
 
 ```
 

docs/Instruction/week04.md

@@ -48,6 +48,18 @@ Ref. [assesment](https://fabacademy.org/2022/nueval/3d_scanning_and_printing.htm
     - the distance which the cutting tool during one spindle revolution [ipm]or[mpm]
     - Ref. [Difference Between Feed Rate and Cutting Speed in CNC Machining](https://www.rapiddirect.com/blog/difference-between-feed-rate-and-cutting-speed/)  
 
+!!! note
+    In Mods' **path to G-code** module, **cut speed (mm/s)** is used to calculate **F**(Feed rate) in G-code.  
+
+    Example:  
+    Mods **path to G-code** module  
+        - cut speed 1(mm/s)    
+    G-code .nc  
+        - F60.0000(mm/min)
+
+![](./images/week04/mods_feed_rate.png)
+
+
 - characterize the design rules
     - Material
         - [FR1](https://www.yodobashi.com/product/100000001004769460/)