Canon 20D APS-C DSLR Camera Menu System with Explanations

Today we’re diving into the Canon EOS 20D’s menu system—everything from image quality settings to deeply customizable controls.

To access the menus, press the menu button and navigate using the control wheel. Tap the SET button to select an option. You can explore quickly using indexed links below or refer to page 31 of the manual.

The Shooting Menu allows control over image parameters. You can adjust quality, enable or disable red-eye reduction, toggle beeps, and choose whether the camera should fire without a memory card. Bracketing options like AEB and white balance BKT give more creative exposure control. Set white balance manually or by color temperature. Choose between sRGB and AdobeRGB color spaces and apply Parameter presets to fine-tune output.

In the Playback Menu (page 109), functions include Protect (to lock images from deletion), Rotate, Print Order, Auto Play, and setting review duration after a shot is taken.

The Setup Menu offers utility-based tools: auto power-off, auto image rotation, LCD brightness, clock/date setup, file numbering preferences, interface language, TV output system, USB mode (for data transfers), CF card formatting, and firmware version (2.0.3 is final, though Canon no longer hosts it).

Now for the fun part—Custom Functions. Use the rear wheel to scroll through the 18 available customizations. Use the SET button to edit a function. These include setting long-exposure noise reduction, flash sync behavior, AF/AE lock combinations, ISO expansion, bracketing order, mirror lockup, menu display preferences, and more.

For example, you can choose whether the asterisk button starts AF or locks AE, adjust how flash functions behave, and even modify AF point selection behavior. Options include using the multi-controller for point selection or toggling between auto and manual AF points.

Function 14 lets you change the flash metering to Evaluative or Average, while 15 changes the curtain sync. You can even designate what the lens AF stop button does—from pausing autofocus to locking exposure, or even activating image stabilization.

The final function, Original Decision Data, allows secure file validation using the DVK-E2 kit—primarily for agencies that require image authentication.

With the EOS 20D’s deep menu system, you're not just working with a DSLR—you’re holding a true tool for personal control and fine-tuned image making.
(Narrative written by AI based on my video outline)

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Video Index:
0:00 - Intro
0:20 - Navigating the Canon D20 Menu System
1:33 - Canon D20 Shooting Menu
11:23 - Canon D20 Playback Menu
14:04 - Canon D20 Setup Menu
20:00 - Canon D20 Custom Functions
20:53 - Canon D20 CFn 1- SET Button
21:47 - Canon D20 CFn 2- Long Exposure Noise Reduction
22:42 - Canon D20 CFn 3- AV Flash Sync
23:57 - Canon D20 CFn 4- Shutter and AEL
27:13 - Canon D20 CFn 5- AF Assist and Flash
28:21 - Canon D20 CFn 6- Exposure Value setting
29:09 - Canon D20 CFn 7- Flash Firing
30:02 - Canon D20 CFn 8- ISO Expansion
30:45 - Canon D20 CFn 9- Bracketing Sequence
31:40 - Canon D20 CFn 10- Superimposed Display
31:58 - Canon D20 CFn 11- Menu Display Location
33:00 - Canon D20 CFn 12- MLU
34:08 - Canon D20 CFn 13- AF Point Selection
35:58 - Canon D20 CFn 14- E-TTL II
34:44 - Canon D20 CFn 15- Flash Sync Curtain
40:02 - Canon D20 CFn 16- Safety Shift
41:03 - Canon D20 CFn 17- Lens AF Stop Button
44:45 - Canon D20 CFn 18- Original Decision Data

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References:
https://en.wikipedia.org/wiki/Canon_E...
https://www.usa.canon.com/support/p/e...
https://gdlp01.c-wss.com/gds/9/090000...
https://support.usa.canon.com/kb/inde...