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### Author Topic: Setting new Zero.  (Read 5832 times)

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#### Jens H

• 15
##### Setting new Zero.
« on: April 21, 2009, 03:42:58 AM »
I wan't to do this:

DRO state maybe:
X 124.5430
Y100.0000
Z 24.5678

I wan't to offset the Z by 20. Not temporarly.
I can do it this way: Calculate 20+24.5678=44.5678 (but if it is not 20 but 6.35 it get more tricky, and a calculater is needed.)
Or that way: G0 Z30, and the apply 20 so the DRO says 50.

But isn'nt there a way to set the DRO relativ to the current read out?

#### Hood

• 25,838
• Carnoustie, Scotland
##### Re: Setting new Zero.
« Reply #1 on: April 21, 2009, 04:16:04 AM »
If you have one of the latest revisions of mach you can click on the relevant DRO and use + * / in it, so for example the X DRO is at 123.321 and you want to add 3.245 you just cklick the X DRO press the + on your keyboard followed by 3.245 then press Enter on your keyboard and the value will be added to the DRO.
Hood

#### simpson36

• 1,369
##### Re: Setting new Zero.
« Reply #2 on: April 21, 2009, 04:40:15 AM »
Awesome tip!

Hood, you just saved me a bunch of time . .  again.

Thanks!

#### Hood

• 25,838
• Carnoustie, Scotland
##### Re: Setting new Zero.
« Reply #3 on: April 21, 2009, 04:47:17 AM »
Forgot to say you can not subtract directly  as the - sign is used for negative number entering into a DRO, you can however add a negative number
Hood

#### SteinarN

• 155
##### Re: Setting new Zero.
« Reply #4 on: April 21, 2009, 05:40:38 AM »
Yep, "+ - 10" is the same as "- 10"

#### Jens H

• 15
##### Re: Setting new Zero.
« Reply #5 on: April 21, 2009, 05:55:35 AM »
Thank for the reply. So if I click on the DR0, it change color and clear up, but remember the old value, and the I just type +12.7 ?
Thats sounds good. I thougth I maybe should use the "Goto" buttom, that I haven'nt figure out what is for yet.

#### Hood

• 25,838
• Carnoustie, Scotland
##### Re: Setting new Zero.
« Reply #6 on: April 21, 2009, 06:02:39 AM »
Thank for the reply. So if I click on the DR0, it change color and clear up, but remember the old value, and the I just type +12.7 ?

Yes thats correct but it needs to be a recent version of Mach, you will soon know because if it is the correct revision the + will show as (+) in the DRO as you type.

Thats sounds good. I thougth I maybe should use the "Goto" buttom, that I haven'nt figure out what is for yet.

As far as I know there is not a GoTo button, there is a GoToZ which will move your axis to the work offset zero position, it will observe the safe Z if you have that feature set up.
The other button is ToGo, this will make the DROs display the distance left to go  in a move.
Hood

#### Jens H

• 15
##### Re: Setting new Zero.
« Reply #7 on: April 22, 2009, 02:31:26 AM »
I try the function yesterday, and it work fine both +(5) and +(-5). It save a lot of time. Thanks. (then I use G68 (rotated coordinate) it some kind do funny things, so this I must try some more)

The button I ask for was not goto, but "To Go". It have OEM code 133 as far as i remember. I can't find anything about how to use it.

#### Hood

• 25,838
• Carnoustie, Scotland
##### Re: Setting new Zero.
« Reply #8 on: April 22, 2009, 02:53:37 AM »
I explained in my last post what Go To button does.
Hood

#### Jens H

• 15
##### Re: Setting new Zero.
« Reply #9 on: April 22, 2009, 03:13:33 AM »
I explained in my last post what Go To button does.
Hood
Ok, sorry I must read more carefully .