Canon EOS 30D Instruction Manual page 49

Basic Zone Modes
This is for fast-moving subjects when you
want to freeze the action.
The camera will first track the subject with the center
AF point. Focus tracking will then continue with any
I
of the nine AF points covering the subject.
While you press the shutter button, focusing will
continue for continuous shooting.
Using a telephoto lens is recommended.
When focus is achieved, the beeper will sound softly.
The AF mode will be set to <
AI SERVO>,
the
drive mode will be set to
<~H>,
and the
metering mode will be set to <
[$J
> automatically.
This mode is for shooting people outside at
twilight or at night. The flash illuminates the
subject and a slow sync speed captures a
natural-looking exposure of the background.
If you want to shoot a night scene without people,
use the <A&> mode instead.
Tell the subject to keep still even after the flash fires.
The AF mode will be set to <
ONE SHOT>,
the
drive mode will be set to <
0
>, and the metering
mode will be set to <
[$J
> automatically.
You can disable the flash when you do not
want it to fire.
The built-in flash or any external Speed lite will
not fire.
The AF mode will be set to <
AI FOCUS>,
the
drive mode will be set to <
0
>, and the metering
mode will be set to < [$J > automatically.
o
In the
<~>
mode, use a tripod to prevent camera shake. In the <A&> or <cr;J>
mode, if the shutter speed display blinks, be aware that camera shake may occur.
49