<s>
Sensitivity	B-Algorithm
priority	I-Algorithm
,	O
often	O
abbreviated	O
Sv	O
(	O
for	O
"	O
sensitivity	O
value	O
"	O
)	O
on	O
a	O
camera	B-Algorithm
dial	I-Algorithm
,	O
and	O
colloquially	O
called	O
"	O
ISO	O
priority	O
"	O
,	O
is	O
a	O
setting	O
on	O
Pentax	B-Application
cameras	I-Application
that	O
allows	O
the	O
user	O
to	O
choose	O
a	O
specific	O
Sensitivity	O
(	O
ISO	O
speed	O
)	O
value	O
while	O
the	O
camera	O
selects	O
a	O
shutter	O
speed	O
and	O
aperture	B-Algorithm
to	O
match	O
.	O
</s>
<s>
This	O
is	O
different	O
from	O
manual	O
mode	O
,	O
where	O
the	O
user	O
must	O
decide	O
all	O
three	O
values	O
,	O
shutter	B-Algorithm
priority	I-Algorithm
where	O
the	O
user	O
picks	O
a	O
shutter	O
speed	O
with	O
the	O
camera	O
selecting	O
the	O
aperture	B-Algorithm
to	O
match	O
,	O
or	O
program	B-Device
mode	I-Device
where	O
the	O
camera	O
selects	O
all	O
three	O
.	O
</s>
<s>
Rather	O
,	O
ISO	O
can	O
be	O
set	O
manually	O
in	O
all	O
modes	O
,	O
or	O
(	O
sometimes	O
)	O
set	O
to	O
auto	O
,	O
and	O
thus	O
sensitivity	B-Algorithm
priority	I-Algorithm
is	O
equivalent	O
to	O
manual	O
ISO	O
and	O
program	B-Device
mode	I-Device
,	O
in	O
both	O
cases	O
automatically	O
selecting	O
aperture	B-Algorithm
and	O
shutter	O
speed	O
,	O
with	O
a	O
manual	O
ISO	O
setting	O
.	O
</s>
