Canon 518 Single -8 - Manual (Page 18)

Checking the Exposure Meter Needle
Aim the camera at the subject and check the
position of the exposure meter needle.
1 If the needle Is pointing inside the range of
* the aperture scale, you may pull the trigger.
O If the needle is pointing to the red mark on
^ the left side it means under-exposure, and so
the lighting must be increased.
Q If the needle Is pointing to the red mark on
** the right side it means over-exposure, and so
a neutral density (ND) filter must be attached
to restrict the light intensity.
Out of Focus
In Focus