Description
No.
Peak indication (
Peak
or
No peak
) is shown, if peak detect is turned
on (
Slope
or
Level
).
2
UV absorbance value (% FSD).
3
Slope or level value (%/min or %).
4
Fraction size
,
Method End
and
Peak detect
can be changed during the run. To reach
the menus, use the arrow button. The changes of settings are the same as for program-
ming a method.
By setting the value of fraction size to zero, the SV-923 valve is set to waste (if connected).
Pause/cont.
can be activated.
Method End
cannot be set to a value below actual value
of run method. The
pump on/off
button is not active during run.
4.2
Fraction Collector Frac-920 connected to an ÄKTA in-
strument
Fraction Collector Frac-920 is controlled from a PC running UNICORN version 3.0 or
higher. Control of Fraction Collector Frac-920 can be achieved automatically from a
preprepared method, or manually via the functions available in UNICORN.
Fraction Collector Frac-920 are designated “Frac-900” in UNICORN.
Note:
When Fraction Collector Frac-920 is controlled from UNICORN, all menu push
buttons are disabled.
Note:
The manual instructions in UNICORN allow the following operations:
• Collecting a fixed volume in each tube.
• Collecting each peak in a separate tube.
• Feed tube – move on to next tube.
It is also possible to set the delay volume, which corresponds to the volume between
the UV monitor and Fraction Collector Frac-920. This value must be changed if the tubing
is changed to tubing of a different inner diameter, see
Setting the delay volume, on
page 39
.
Starting the instrument
1 Connect the power cord to the mains power outlet. The display lights up and the
system immediately performs a self-test.
Frac-920 and Frac-950 Operating Instructions 28-9622-09 AC
37
4 Operation
4.1 Fraction Collector Frac-920 stand alone
