© Thermo Hybaid. Issue 1.0, January 2002
15
Press
ENTER
or use the
PREVIOUS
and
NEXT
softkeys to move to the time/date setting fields.
Use the number keys to enter time (hrs & mins) and day/month/year information. Press
BACK
to the
previous screen or
ENTER
to confirm changes and return to the Main Menu.
Power Failure Resume
If there is a power interruption during a run, the Px2 will switch back on automatically. The unit can
be set to resume a program (at the cycle and setpoint where the interruption occurred) or to abandon
the program.
Select
POWER
from the
SETUP
menu and press
ENTER
. The
ABANDON
or
RESUME
options can be selected using the
TOGGLE
softkey.
Press the
CONTINUE
softkey to return to the Main Menu.
The instrument will record the duration of the interruption and the step, stage and cycle number at
which it occurred.
(
Note that if there have been several breaks in the power supply, only the most recent
interruption is recorded.)
4.5 Gradient Calculation
Once you have run your samples on an agarose gel, the annealing temperature that corresponds to
your optimum gel result can be determined using the Gradient Calculator function.
•
To access the Gradient Calculator select
OPTS
from the MAIN MENU.
•
Using the left and right navigation keys, move the cursor to
CALC
and press
ENTER
.
•
The block type you are using will automatically be displayed. Enter the minimum annealing
temperature and gradient range used in your optimisation experiment, using the alphanumeric
keypad.
•
The well temperatures are displayed in sequence in a bar chart formation from column 1 to 12
with the calculated temperature for each column displayed to the left of the bar.
•
Press
BACK
to return to the Gradient Calculator
screen to enter new parameters or alternatively
press
MENU
to return to the Main Menu screen.
The Gradient Calculator may be accessed at any time, even when the block is active. MENU should
be pressed to return to the Main Menu and the steps described above should be followed.
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