Intervallometer - new user - General Help and Assistance on using CHDK stable releases

Dan

Intervallometer - new user

« on: 20 / December / 2017, 17:41:52 »

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I started exploring CHDK in last few days. I was able to use the intervallometer, just for testing. I have 2 questions.

1- Now, every time I start CHDK, the intervallometer is active. How can I inactivate it? I do not want the intervallometer script to start every time I use the camera.

2- If I ask for 2 minutes exposures, I get one picture saved on my card for every 4 minutes. It looks like there is an extra 2 minutes delay in the process. I observed similar result if I ask for 1 minute exposure, I get one image saved every 2 minutes. Is this normal?

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waterwingz

12066

Re: Intervallometer - new user

« Reply #1 on: 20 / December / 2017, 17:49:29 »

Quote from: Dan on 20 / December / 2017, 17:41:52

1- Now, every time I start CHDK, the intervallometer is active. How can I inactivate it? I do not want the intervallometer script to start every time I use the camera.

Go the the script menu and disable the Autostart option.

Scripting : Program Your Camera

Quote

2- If I ask for 2 minutes exposures, I get one picture saved on my card for every 4 minutes. It looks like there is an extra 2 minutes delay in the process. I observed similar result if I ask for 1 minute exposure, I get one image saved every 2 minutes. Is this normal?

You are seeing the camera do "Dark Frame Subtraction". It's a way to remove thermal noise from long exposures. You can turn it off in the CHDK menus : Dark Frame Subtraction

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Ported : A1200 SD940 G10 Powershot N G16

Dan

Re: Intervallometer - new user

« Reply #2 on: 20 / December / 2017, 17:59:13 »

1- Autostart is already off. Other ideas?

2- Good, I like it!

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waterwingz

12066

Re: Intervallometer - new user

« Reply #3 on: 20 / December / 2017, 18:52:42 »

Quote from: Dan on 20 / December / 2017, 17:59:13

1- Autostart is already off. Other ideas?

Does the intervalometer actually take pictures each time you start the camera or enter CHDK's <ALT> mode?

I'm going to guess that you see the script name in the lower left of your display when you activate CHDK's <ALT> mode and thinks that means the script is running? It's not - the script name is just there to tell you what will run when you press the shutter button while your are in <ALT> mode.

« Last Edit: 20 / December / 2017, 18:55:08 by waterwingz »

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Ported : A1200 SD940 G10 Powershot N G16

Dan

Re: Intervallometer - new user

« Reply #4 on: 20 / December / 2017, 21:08:11 »

Thanks for all your replies. You are right, waterwingz. Please let me rephrase my question: because I do not want the intervallometer to start when I will press the shutter button in ALT/CHDK mode, is there a way to avoid that? I do not want to use the intervallometer every time I press the shutter button while I am using CHDK.

« Last Edit: 20 / December / 2017, 21:10:26 by Dan »

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reyalp

13059

Re: Intervallometer - new user

« Reply #5 on: 20 / December / 2017, 21:18:46 »

Quote from: Dan on 20 / December / 2017, 21:08:11

Please let me rephrase my question: because I do not want the intervallometer to start when I will press the shutter button in ALT/CHDK mode, is there a way to avoid that? I do not want to use the intervallometer every time I press the shutter button while I am using CHDK.

In CHDK, pressing the shutter button when in ALT mode starts the currently selected script. That's what the shutter button is defined to do in alt mode, you can't make it do anything else. If you didn't have the intervalometer selected, it would run the default script.

If you don't want to run a script, then you should not press the shutter while in alt mode. To shoot normally, leave alt mode. Any CHDK overrides you set will still take effect.

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Don't forget what the H stands for.

waterwingz

12066

Re: Intervallometer - new user

« Reply #6 on: 20 / December / 2017, 21:22:27 »

Quote from: Dan on 20 / December / 2017, 21:08:11

Thanks for all your replies. You are right, waterwingz. Please let me rephrase my question: because I do not want the intervallometer to start when I will press the shutter button in ALT/CHDK mode, is there a way to avoid that? I do not want to use the intervallometer every time I press the shutter button while I am using CHDK.

If you have CHDK loaded and you are in <ALT> mode, pressing the shutter button will always start the "current" script (i.e. the one you see named in the lower left hand corner of the LCD). If you want to take a regular picture, you need to exit <ALT> first (press the ALT key again).

You can change the current script to the "default" script by simply loading "default.lua" from the choices in the Script Menu Load Script from File ... menu choice. That will load a script that does almost nothing and then immediately exits.

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Ported : A1200 SD940 G10 Powershot N G16

Dan

Re: Intervallometer - new user

« Reply #7 on: 20 / December / 2017, 21:30:51 »

Thank you reyalp! You are reading my mind. This is exactly what I missed. Now, I understand better the way I can use it.

Another question about the intervallometer. What is the correct way to stop it?

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waterwingz

12066

Re: Intervallometer - new user

« Reply #8 on: 20 / December / 2017, 21:37:15 »

Quote from: Dan on 20 / December / 2017, 21:30:51

Another question about the intervallometer. What is the correct way to stop it?

Press the shutter button again.

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Ported : A1200 SD940 G10 Powershot N G16

Dan

Re: Intervallometer - new user

« Reply #9 on: 20 / December / 2017, 21:56:19 »

Thank you waterwingz. Working fine, I get the message about termination of the script when I press the shutter button.

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