5 Operation
22
5.6
Short instructions
This section summarizes the main points covered earlier in this chapter. Use it as a check
list once you are familiar with the detailed programming and running instructions. Refer
also to the separateschematic operating guide included with the power supply. We
recommend you keep this schematic guide close by the instrument.
1.
Turn mains power ON. The display should have the program number flashing.
2.
Press ENTER for the actual program number, or use to
number desired. Press. ENTER.
3.
For each of the parameters Voltage, Current and Power, press
desired is reached. Confirm by pressing ENTER after each one, and the display will
automatically move to the next parameter.
4.
Choose between manual break or automatic break. For automatic break, choose
breakpoint units in either Volthours (Vh) or time (h). Select the correct unit or, for
manual break, choose "OFF" with
5.
If volthours or time were chosen, set the value to be used for the breakpoint with
and ENTER.
6.
If an automatic breakpoint was chosen under 4, you will be asked if you wish
an alarm to sound at the end of the run. Select YES or NO with
ENTER. If YES was chosen, this is indicated by a small A as in "1A" to the right of the
program number in the display.
I
Preset time
Fig 6. Power fluctuations which occur during a typical IEF run.
7.
When programming is completed, connect your electrophoresis unit to the outputs,
and press RUN.
8.
The actual voltage, current and power are shown on the display together with the
elapsed time or volthours (switch with
9.
PAUSE CONTINUE can be used to interrupt and then continue the run.
10. The programmed parameters can be checked during the run by pressing SET.
11. The programmed run stops automatically or by pressing STOP.
Electrophoresis Power Supply EPS 3501 User Manual 18-1130-21 Edition AD
/
. Confirm with ENTER.
II
III
Power
).
/
/
select the program
until the value
/
/
and press
IV
Alarm
