Canon EOS-7D - Electronic Level 

50
Displaying the Grid and Electronic Level
1
Press the <B> button.
 Each time you press the <B>
button, the screen display will
change.
 Display the electronic level.
 If the electronic level does not
appear, set the menu’s [7 INFO.
button display options] option to
display the electronic level (p.244).
2
Check the camera’s roll and pitch.
 The horizontal and vertical tilt are
displayed in 1° increments.
 The red line turning green indicates
that the tilt is corrected.
Displaying the Electronic Level on the LCD Monitor
Vertical level
Horizontal level
 Even when the tilt is corrected, there is a margin of error of ±1°.
 If the camera is significantly tilted, the electronic level’s margin of error
will be greater.
 The electronic level can also be displayed during Live View shooting and
movie shooting (p.138, 156).
 The electronic level can also be displayed in the viewfinder using the AF
point display (p.233, 234, 237).