4 Operation
4.3 Setting up a run
34 Electrophoresis Power Supply EPS 3501 XL Operating Instructions 28-9639-69 AA
3 Change to the desired phase number by and confirm with set enter.
Choose to delete the phase shown on the display or insert a new phase with this phase
number by pressing and confirm with set enter.
If Delete is chosen, the selected phase will be deleted and the program will move back
to the position with the phase number blinking. Note that by deleting a phase, the
numbers of the following phases will decrease by 1.
If Insert is chosen, the program will enter the same position and the new phase can be
programmed as a new phase (see Programming a method‚ on page 28 and Figure 4-1,
steps 4-8). After entering the breakpoint, the question “Last Phase?”will be bypassed
and the starting point for the next phase will be entered. Note that by inserting a new
phase the number for the old phase with that number and the numbers for the
following phases will increase by 1.
Adding a phase after the last phase is done by entering the last phase as above, moving
to the question “Last Phase?” and answering No (N). The program will jump to the start
position for programming a phase with the phase number blinking. Proceed with
programming as described for a new program.
It is not possible to insert or delete a phase for a running program.
Editing a running program
See Section 4.5.
Copying and clearing a program
See Optional programming‚ on page 34.
Optional programming
MORE mode contains three special functions:
• COPY: Copying a program.
• CLEAR: Clearing a program.
• SETUP: Disabling the start current check.
For more information regarding these functions, refer to Electrophoresis Power Supply
EPS 3501 XL User Manual.
Choosing run parameters
EPS 3501 XL is an automatic cross-over power supply that allows the user to set limits
for voltage, current and power. It is also possible to program linear voltage gradients.
During electrophoresis, only one of the parameters is limiting at a time. The limiting
parameter determines, together with the conductivity in the electrophoresis system,
the values for the other two parameters.
For information about selecting parameter values, refer to Electrophoresis Power
Supply EPS 3501 XL User Manual.
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