5
3.
If
you
wish
to
monitor
the
temperature
inside
a
cuvette,
plug
a
standard
Series
400
or
Series
500
thermistor
probe
(not
provided)
into
the
¼
‐
inch
phone
jack
labeled
“probe”
in
the
back
panel
of
the
TC
1
.
Place
the
end
of
the
probe
in
a
region
of
the
solution,
where
it
will
not
occlude
the
spectrometer
light
beam.
4.
Turn
on
the
circulating
water.
5.
Turn
on
the
TC
1
controller
using
the
switch
on
the
back
panel.
Menu
Button
6.
Brief
Instructions:
The
controller
display
begins
on
the
Display
page.
Use
the
left
or
right
arrows
on
the
Menu
Button
to
cycle
through
the
five
pages
of
options,
Display
(the
default
screen),
Set
Temperature
,
Set
Stirring
,
Set
Ramping
,
and
Set
Position
.
For
example,
from
the
Display
page,
push
the
left
arrow
once
to
get
to
the
Set
Position
page.
Once
there,
use
the
top
and
bottom
arrows
to
choose
a
position,
e.g.
position
5.
Press
the
SET
button.
The
cuvette
holder
will
move
to
position
5
and
the
menu
will
return
to
the
Display
page.
To
set
a
temperature,
press
the
right
arrow
once
to
go
to
the
Set
Temperature
page.
Once
there,
use
the
up
and
down
arrows
to
set
a
target
temperature,
e.g.
37.0
°C.
Press
SET
to
initiate
temperature
control.
The
temperature
will
rise
and
stabilize,
indicated
by
the
change
in
the
green
LED
light
on
the
front
panel
from
flashing
to
steady.
To
control
stirring,
go
to
the
Set
Stirring
page.
Use
the
up
and
down
arrows
to
set
a
speed,
e.g.
1200
rpm,
and
press
SET
to
start
the
stirrer.
More
details
on
the
Menu
Button
are
provided
in
Section
2
below.
7.
After
measurements
are
completed,
turn
off
power
on
the
back
of
the
TC
1
controller
and
turn
off
the
water
source.
