Lecture 14 Space-time diagrams (cont) ASTR 340 Fall 2006 Dennis Papadopoulos.
Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN /...
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Transcript of Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN /...
![Page 1: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/1.jpg)
Colorado Space Grant ConsortiumColorado Space Grant Consortium
Gateway To SpaceASEN / ASTR 2500
Class #16
Gateway To SpaceASEN / ASTR 2500
Class #16
![Page 2: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/2.jpg)
Design Document:
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Design Document:
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Design Document:
- Design Document template has been posted on the website
- DD Rev B must include items from Rev A
- DD Rev B is due 10/14/08 along with your CDR Slides by 4:00 PM today
- No paper copy is needed
![Page 5: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/5.jpg)
CDR:
- Conflicts with review time if at…1. 5:00 – 7:00 PM
- Template is on-line
- All presentations are due at 4:00 PM via email or in person if larger than 15 MB
- CDR will be held in the Discovery Learning Center, same place as Soldering
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CoDR Schedule:
5:00 Food and proposal submission5:10 Team #11 – Zephyr (B4-6) 5:20 Team #10 – SCREAM (A5)5:30 Team #09 – TWSS5:40 Team #05 – Go Go Gadgets 5:50 Team #02 – Space Monkeys (53-63)6:00 Team #08 – Thumbs Up (A5)6:10 Team #06 – Cosmos6:20 Team #04 – Space Debris6:30 Team #03 – DSRO6:40 Team #07 – SHIELD 6:50 Team #01 – Flight Club7:00 Done
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Today…
- Who didn’t get there password last time?
- 32 days to launch
- Camera Modifications and checkout
- Launch Vehicle In-class exercise
- World’s fastest launch vehicle lecture
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One minute:
- Let us know if you are going to change class, nothing to do
- Where does extra credit factor in?- One minute for attendance and full score for 1
minute and not attendance?- What does a Org Chart look like?- Did you say community service had to be space
related?- Why paint it black (baffling)?- How to connect things to basic stamp?- Light filters for photometers?- How should we bevel edges cleanly?
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One minute:
- Drop test when?- Total column on the grade sheet doesn’t matter?- Grading more strict for Rev B?- Does ASEN focus more on Systems Engineering for
its curriculum?- Why only 20 minutes for the exercise?- Do we buy our own dry ice and other testing
materials?- Are the proposal scores always so low?- Why do you give overall low grades on the
proposals?
![Page 10: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/10.jpg)
- Marv Luttges
CDR General Comments:CDR General Comments:
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One minute:
- What sports do you like to watch if any?- What should I expect to be on the final exam?- Have you been in space or on the vomit comet?- Kirk or Picard?- How many licks?- Who would win a fight: Darth Vader or Chuck Norris?- Would size matter vs. weight on string?- Will gas be paid if you go on the chase?- Are we graded on the looks of our BalloonSats?- Do you believe in ghosts?- Do you believe in miracles?- Guidelines for team video?
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One minute:
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Announcements:Announcements:
Camera Modification Steps…
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Colorado Space Grant ConsortiumColorado Space Grant Consortium
Gateway To SpaceASEN / ASTR 2500
Class #13
Gateway To SpaceASEN / ASTR 2500
Class #13
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- The following instructions will walk you through the steps needed to change the firmware on this camera to take picture every 20 seconds
Canon A570 IS Mods:
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- The CHDK code was originally written by Rick von Glahn from Edge of Space Sciences (EOSS)
- These steps are performed with the camera modified to turn on and off with a external switch
- The steps to modify the hardware of the camera are contained in a different presentation
Canon A570 IS Mods:
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- This mod uses CHDK to add autonomy to a digital camera without the use of a timing circuit or further modifications to the camera
- CHDK is firmware enhancement
- It only works with Canon digital cameras
- Please see the following website for much more information http://chdk.wikia.com/wiki/CHDK
Canon A570 IS Mods:
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- Take your camera out of the box
Canon A570 IS Mods:
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- Insert the batteries
Canon A570 IS Mods:
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- Turn on camera by touching two wires together
Canon A570 IS Mods:
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- Set the date and time
- Power off the camera by touching the two wires together again
Canon A570 IS Mods:
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- Insert SD card and close battery cover
(not all SD cards support this mod)
Canon A570 IS Mods:
1.1. 2.2.
3.3. 4.4. 5.5.
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- Set Camera to “AV” mode
Canon A570 IS Mods:
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- Turn on camera by touching two wires together
Canon A570 IS Mods:
![Page 25: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/25.jpg)
- Press the “MENU” button and format the card – Use the “Low Level Format” setting
Canon A570 IS Mods:
1.1. 2.2.
![Page 26: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/26.jpg)
Canon A570 IS Mods:
- Press the “MENU” button and format the card – Use the “Low Level Format” setting
3.3. 4.4.
![Page 27: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/27.jpg)
Canon A570 IS Mods:
- Press the “MENU” button and format the card – Use the “Low Level Format” setting
5.5. 6.6.
![Page 28: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/28.jpg)
- Power off camera and remove the SD Card
Canon A570 IS Mods:
1.1. 2.2.
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- Connect the SD card to your computer
Canon A570 IS Mods:
1.1. 2.2.
![Page 30: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/30.jpg)
- The files we are going to copy to the SD card contain a script (macro) that will take pictures about every 20 seconds after an initial boot up.
Canon A570 IS Mods:
![Page 31: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/31.jpg)
- Open the “cu_gateway_fall_2008.bas” file
Canon A570 IS Mods:
1.1.
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- Open the “cu_gateway_fall_2008.bas” file
Canon A570 IS Mods:
2.2. 3.3.
![Page 33: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/33.jpg)
- Open the “cu_gateway_fall_2008.bas” file
Canon A570 IS Mods:
4.4. 5.5.
![Page 34: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/34.jpg)
- Open the “cu_gateway_fall_2008.bas” file
Canon A570 IS Mods:
6.6.
![Page 35: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/35.jpg)
- Save the “cu_gateway_fall_2008.bas” file
Canon A570 IS Mods:
![Page 36: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/36.jpg)
- Copy the CHDK folder structure and files to the SD card
Canon A570 IS Mods:
![Page 37: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/37.jpg)
- Switch the play/record button on the camera to “play”
Canon A570 IS Mods:
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- Insert SD card and power the camera on.
Canon A570 IS Mods:
1.1. 2.2. 3.3.
![Page 39: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/39.jpg)
- Press the “MENU” button and press the left on the circle button until the “play” symbol is highlighted
Canon A570 IS Mods:
1.1.
2.2.
3.3.
![Page 40: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/40.jpg)
- Press up on the circle button and highlight “Firm Update”
Canon A570 IS Mods:
1.1. 2.2.
![Page 41: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/41.jpg)
- Select “OK” and press “SET”
Canon A570 IS Mods:
1.1. 2.2.
![Page 42: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/42.jpg)
- Camera should now be running the CHDK firmware.
Canon A570 IS Mods:
![Page 43: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/43.jpg)
- Press the shutter button to stop the script but leave the camera on
Canon A570 IS Mods:
![Page 44: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/44.jpg)
- Switch the play/record button on the camera to “record”
Canon A570 IS Mods:
![Page 45: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/45.jpg)
- You should see “Default Script” and “<ALT>” in the bottom of the screen
Canon A570 IS Mods:
![Page 46: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/46.jpg)
- With “<ALT>” showing, press the “MENU” button
Canon A570 IS Mods:
![Page 47: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/47.jpg)
- “<ALT>” will be replaced by “<CNF>”
Canon A570 IS Mods:
![Page 48: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/48.jpg)
- Use the control pad to move the cursor down to "Debug parameters" and click "SET" to select this option.
Canon A570 IS Mods:
![Page 49: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/49.jpg)
- Move the cursor down to "Make card bootable...“- Press "SET" to select this option.
Canon A570 IS Mods:
![Page 50: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/50.jpg)
- Nothing should happen. This is OK- Power off camera.
Canon A570 IS Mods:
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- Remove the SD card and slide switch to “LOCKED”
Canon A570 IS Mods:
Even though the card is in the “LOCKED” position it will be able to be written to via the CHDK firmware.
![Page 52: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/52.jpg)
- Power on the camera
- “Default Script” and the “<ALT>” should be visible
- Press the shutter button to stop script
Canon A570 IS Mods:
- Insert locked SD card and make sure the camera is in “RECORD” mode
![Page 53: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/53.jpg)
- With “<ALT>” showing, click on the menu to get to the “<CNF>” screen.
Canon A570 IS Mods:
![Page 54: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/54.jpg)
- Use the control pad to move the cursor down to "Scripting parameters" and push "SET"
Canon A570 IS Mods:
![Page 55: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/55.jpg)
- On the “Script” menu select "Load script from file..."
Canon A570 IS Mods:
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- On the "Select script file" screen, move the cursor to highlight "cu_gateway_fall_2008.bas>" and press "SET"
Canon A570 IS Mods:
![Page 57: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/57.jpg)
- When you return to the “Script” menu ensure that "Script Autostart" is checked (a dot in its selection field).
Canon A570 IS Mods:
- Also make sure the “Current script” is correct
![Page 58: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/58.jpg)
- Now click "MENU” to save these changes to the configuration file
Canon A570 IS Mods:
![Page 59: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/59.jpg)
- Turn off camera
- The next time the camera is turned on, it will run the script
- It will go through a series of camera setting changes which will take about 60 seconds
- Then the camera will begin to take pictures every 5 to 6 seconds until the card is full
Canon A570 IS Mods:
![Page 60: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/60.jpg)
- Sometimes the script doesn't execute properly the first time it runs.
- If this happens, let it run it's course for around a minute or so then turn the camera off then on again and it should work fine
- It should continue to work just fine on every subsequent power up
Canon A570 IS Mods:
![Page 61: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/61.jpg)
- Turn on the camera
Canon A570 IS Mods:
![Page 62: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/62.jpg)
- You can turn the camera off anytime.
- If you wish to stop the script during execution just press the shutter release button and that will interrupt the execution of the script
- In this way you can gain control of the camera without having to remove the card
- This is handy if you want to review photos, or do something else without the script running.
Canon A570 IS Mods:
![Page 63: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/63.jpg)
- After the pushing the shutter, you must push the print button to have normal camera operation
Canon A570 IS Mods:
![Page 64: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/64.jpg)
- Remember, any setting you might make to the camera will be restored to factory default settings next time the script runs as that is the first action the script takes
- Once you interrupt a script it must be re-run from the beginning you can not PAUSE a script and RESUME it
Canon A570 IS Mods:
![Page 65: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/65.jpg)
- You can modify your code without reloading the firmware
- For example lets change the “sleep” value to 5000
Canon A570 IS Mods:
![Page 66: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/66.jpg)
- Power off camera
- Remove SD Card
- Unlock SD Card
- Open CHDK/Scripts/cu_gateway_fall_2008.bas
- Scroll down to end of code and change sleep = 5000
- Save
Canon A570 IS Mods:
![Page 67: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/67.jpg)
- Remove SD card and lock
- Insert SD card into the camera and power on
- Pictures should be taken every 8 to 10 seconds now
- I would suggest a 20 second (sleep = 16000) for 135 minute flight time
Canon A570 IS Mods:
![Page 68: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/68.jpg)
- You can also “rem” out pieces of the set up or other functions but test first
- Camera is working, it shall also be working at the end of the semester
- Take good care of this camera
- Thank you.
Canon A570 IS Mods:
![Page 69: Colorado Space Grant Consortium Gateway To Space ASEN / ASTR 2500 Class #16 Gateway To Space ASEN / ASTR 2500 Class #16.](https://reader036.fdocuments.net/reader036/viewer/2022062407/56649e725503460f94b71b8c/html5/thumbnails/69.jpg)
Questions?