Canon EOS-1D C EOS 1D X Instruction Manual - Page 62

Displaying the Grid and Electronic Level Displaying the Electronic Level on the LCD Monitor 1 Press the button. Each time you press the button, the screen display will change. Display the electronic level. If the electronic level does not appear, set [52: z button display options] so that the electronic level can be displayed (p.362). 2 Check the camera's tilt. The horizontal and vertical tilt are displayed in 1° increments. Vertical level Horizontal level When the red line turns green, it indicates that the tilt is corrected. Even when the tilt is corrected, there may be a margin of error of ±1°. If the camera is very tilted, the electronic level's margin of error will be bigger. You can also use the procedure above to display the electronic level during Live View shooting and before shooting a movie (p.207, 231). Note that the electronic level cannot be displayed during movie shooting. (The electronic level will disappear when you start shooting a movie.) 62