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Qestion about sliders

Tom Jones Apr 24, 2017 12:57PM EDT

Hi !

Before I buy license I have a few questions:

If possible change numbers of steps in sliders over 100 or less ?
I need some slider in +/- 30 steps , some from 0 to 254 etc.

How assign command to eg. 254 steps ( each command with increase value ) ?
It is possible without commercial devices module ( I need control from TCP my projector jvc x500 - Your data base is old and deprecased, my pj command is diffrend and I need send code with numeric value, not simple UP/DOWN function :(.

How create feedback to read actually value of set command ( eg. send code with value -25, and I'm waiting for numeric value "-25" ?

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Alex Milogradov Apr 24, 2017 01:27PM EDT Builder & App Support Support
Hi Tom,

Yes, it possible to adjust the slider increments.

Sliders, in order to control the steps, require equivalent number of commands. So if you have 0 - 254, then you need 255 commands.

Do you have feedback already created?
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Tom Jones Apr 24, 2017 01:46PM EDT
OK, but slider knob is still in the middle position : how change it , eg. on left end of slider ?

To feedback I must send special command, and device response, so I need add thic command to each master command ( eg. this 254 ?) - is huge work !
Is any logical or matemathical metod to do whitout this work ( any loop or if-then conditions ? )

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Alex Milogradov Apr 24, 2017 01:50PM EDT Builder & App Support Support
Slider, without feedback, will be where you left it off.

As for feedback.... does the device respond with proper feedback when you send one of the commands or do you have to query every time?
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Tom Jones Apr 25, 2017 02:12AM EDT
Hi !
Sorry for delay - work :)

So I need feedback for see last position of sliders:
power on pj
automatic send all reqest command for feedback last position of slider
( BTW how exctract value from hex string feedback and translate it to decimal number - eg. "0x46 0x46 0x46 0x44" to "-3" in text box & position of slider ( and this value is from response command : 0x40 0x89 0x01 0x50 0x4D 0x46 0x46 0x46 0x44 0x0A.

Only after setting the previous position of the sliders I can adjust them to other positions.

Projector response only if receive command like: 0x3F 0x89 0x01 0x50 0x4D 0x42 0x52 0x0A.
( Is possibly use ASCII characters ? I mean "?0x891PMBR0x0A" ? )

Sorry for a lot qestion, butI I buy only for userfull app :)
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Alex Milogradov Apr 25, 2017 09:03AM EDT Builder & App Support Support
Hi Tom,

You would need to create a Numeric feedback with Format=ASCII and Notation=Hexadecimal.

Since PJ only responds with something other than acknowledgement when you send a query command, I suggest you have a repeating entrance with the query command.
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Tom Jones Apr 27, 2017 10:40AM EDT
Sorry, but this slider don't work.

I create device: numeric code for adjustment, fill all 15 codes ( value from -7 to 7 in 2 -digits floating integrer (\x21\x89\x01\x50\x4D\x4B\x52\x46\x46\x46\x39\x0A to \x21\x89\x01\x50\x4D\x4B\x52\x30\x30\x30\x37\x0A ), assign it to slider - this code work well if I use hercules setup app, so code is OK.
Assign feedback numeric with prefix \x50\x4B\x0A\x40\x89\x01\x50\x4B and suffix \x0A ( this value work with textual feedback, I check it ).

Value of feedback is format ascii, notation hex, point position floating, min -7 max 7.

But if I move slider knob nothing happend, no change value and no numerical feedback.

BTW: why knob default position is not in the middle of slider, only left side ?
Is any trick for this case ?
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Alex Milogradov Apr 27, 2017 11:01AM EDT Builder & App Support Support

Did you check if the feedback actually worked before you put it on the slider?
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Tom Jones Apr 27, 2017 11:09AM EDT
Dnn't woek.
But send command should work but don't :(

I can't many times on/off my projector for testing functionality irule - is not healthy.
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Alex Milogradov Apr 27, 2017 11:14AM EDT Builder & App Support Support
Create a page where you don't have ANY power on or off commands and just your query commands and feedback.
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Tom Jones Apr 27, 2017 01:01PM EDT
So slider work for a moment ( now not work, I do not know what ruined it, because there is no meaningful guide how to create it from scratch ) but still no numeric feedback.

Could you please explain me how is path to got working sliders:

create device witch command for sliders

create feedback device for feedback ( it must this same name like first device ?)
create numeric, code and value

All this thing place on ONE panel and it should be work ?

An how place knob in middle of slider, is always on left side ( minimal value )

If it is feature sliders I can't use it. I must control starting position of knob.
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Alex Milogradov Apr 27, 2017 02:11PM EDT Builder & App Support Support

Send your backup to so that I can take a look at what you got.
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Tom Jones Apr 27, 2017 02:20PM EDT
I can't - limitation of trial version.
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Alex Milogradov Apr 27, 2017 03:26PM EDT Builder & App Support Support
Email with email address you are using for the builder so that I can pull your backup from the backend.
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Tom Jones Apr 28, 2017 06:45AM EDT
OK, done !
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Tom Jones Apr 29, 2017 03:58AM EDT
I assign devices but feedback and slider not work.
Yours app is useless and weak help.

I thought you would advise me EXAMPLES how to look correct and active feedback in my panel.
So far I do not know if I should buy a license since it does not work for me what is important to me

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