PROGRAMMING AND OPERATION
20
C.2.3 Scratch Pad Mode (Program 0)
While providing ample program storage, the IMPACT
2
also
offers a “scratch pad” or open programming mode. This mode
is identified by “P/0,” which appears in the program section of
the display (refer to the IMPACT
2
display on page 12). This
feature enables you to quickly change pipetting protocols
without affecting previously stored programs.
To use the “scratch pad” mode: From the start of any
program, simply begin entering a new protocol (selecting a
pipetting operation as described on page 16). This new
protocol can now be used, and will remain active until a stored
program is retrieved. “P/0” appears in the program ID section
of the display to indicate that the (O)pen programming mode,
or “scratch pad” mode, is active.
C.2.4 Pipetting Speed Adjustment
The IMPACT
2
offers unique speed control that is function
based, enabling speeds for Fill, Dispense, Mix or Purge to be
independently programmed. Also, speeds within any of the five
stored programs can be independently set and stored as an
integral part of the pipetting protocol. Pipetting speed is easily
changed at the start of each pipetting function.
To change pipetting speed during the execution of a program:
Press the [Vol] key to select the speed for each pipetting
function (Fill, Dispense, Mix, or Purge).
This newly set speed will remain active with each function
even if the pipettor is turned off. Speed settings within any of
the five stored programs will also remain in memory with the
program functions until changed by the operator.
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