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Note: When changing timer
between "0" and "1", a
message "PF1" or "PF0" will
briefly be displayed, indicating
that the Power Failure Detection
Feature is either on (PF1) or off
(PF0). See page 12 for more
information on Power Failure
Detection.
Operation
1
Select constant mode. Press the CONSTANT button to
toggle between constant voltage and constant current
mode. The selection is indicated by a green light.
2
Adjust limit. Press the UP and DOWN buttons to set
the constant parameter to the desired value.
3
Check other run parameter. Press the SELECT button
to check the set value of the other (non-constant)
run parameter. This parameter is set by default to
the maximum output of the power supply. This is the
normal setting for many electrophoretic separations.
Optional: If there is another upper limit desired for
this non-constant parameter, use the UP and DOWN
buttons to set it to the desired value. The power
supply can then operate in "Crossover" mode as
explained on page 5.
4
Set the timer (optional ). Press the SELECT button
to move the green indicator light to under the clock
symbol.
Continuous run. Set the timer at "0" to start a contin-
uous run. The power supply will operate indefinitely,
until stopped manually. The timer will start counting
up, indicating the length of the run in minutes.
Timed run. Press the UP and DOWN buttons to
set the timer to the desired run time, from 1 to
999 minutes. The timer counts down during the run,
indicating the time remaining.
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p9
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