<s>
ATI	B-Application
Tray	I-Application
Tools	I-Application
(	O
ATT	O
)	O
is	O
a	O
freeware	B-License
program	O
developed	O
by	O
Ray	O
Adams	O
for	O
ATI	B-Device
Radeon	I-Device
video	B-Device
cards	I-Device
.	O
</s>
<s>
ATI	B-Application
Tray	I-Application
Tools	I-Application
is	O
an	O
advanced	O
tweaker-application	B-General_Concept
that	O
resides	O
in	O
the	O
notification	O
area	O
of	O
the	O
Windows	B-Application
taskbar	O
and	O
allows	O
instant	O
access	O
to	O
video	O
options	O
and	O
settings	O
via	O
a	O
right-click	O
menu	O
.	O
</s>
<s>
It	O
is	O
normally	O
used	O
as	O
an	O
alternative	O
to	O
the	O
more	O
bulky	O
official	O
Catalyst	B-Application
Control	I-Application
Center	I-Application
(	O
CCC	O
)	O
,	O
but	O
it	O
can	O
also	O
run	O
in	O
tandem	O
with	O
it	O
.	O
</s>
<s>
Changing	O
of	O
OpenGL/Direct3D	O
settings	O
(	O
antialiasing	B-Algorithm
or	O
anisotropic	O
filtering	O
,	O
for	O
example	O
)	O
separate	O
from	O
one	O
another	O
.	O
</s>
<s>
OnScreen	O
Display	O
:	O
When	O
an	O
OpenGL/Direct3D	O
application	O
running	O
,	O
the	O
FPS	O
,	O
3D	O
API	O
type	O
,	O
GPU	B-Architecture
Activity	O
,	O
and	O
related	O
information	O
are	O
overlaid	O
on	O
top	O
of	O
the	O
rendering	O
stream	O
on	O
a	O
corner	O
of	O
the	O
screen	O
.	O
</s>
<s>
ATI	B-Application
Tray	I-Application
Tools	I-Application
supports	O
both	O
32	O
and	O
64-bit	O
versions	O
of	O
:	O
</s>
