17
*
Use
the
up/down
keys
to
move
to
the
value
to
change.
*
Press
“OK”
and
the
screen
will
change.
Press
the
right
arrow
until
s
large
box
will
be
over
the
timer.
*
Press
“OK”
and
the
box
will
become
small
and
over
the
first
value
of
the
timer.
*
Use
the
right/left
keys
to
move
the
cursor
to
the
number
you
would
like
to
change.
*
Use
the
up/down
keys
to
increase
or
decrease
the
value.
*
Use
the
right/left
keys
to
move
the
cursor
to
the
number
you
would
like
to
change.
*
After
the
proper
time
is
set,
press
OK.
The
box
will
change
back
to
large.
Note:
only
the
T
=
00:00m
will
be
set.
The
Ta
=
00:00
is
not
a
programmable
function.
6.
After
setting
the
timers,
press
the
“ESC”
button
to
return
to
the
main
screen.
Use
the
up
key
to
move
to
start,
hit
"OK"
button,
use
left
arrow
to
move
to
Yes,
Hit
"OK"
button.
The
Lab
Control
Unit
is
now
ready
to
operate.
Close
and
latch
the
door.