Operation
21
P 2.1S/P 4.1S user manual V6870, version 3.1
3. Switch on the power adapter.
4. Wait until the pump has completed the self-test.
Result:
After the device is switched on, the display shows
Pump
and the
Firmware
version. The device performs a self-test. After all tests have been successfully
completed, the status of the pump with its current flow rate is displayed. The
pump is ready for operation.
Selecting the Pump Head
Result:
When setting is finished, the status display appears.
Flushing the Pump
The display shows vertical arrows while the pump is flushing.
Prerequisites
Pump with pressure sensor:
Venting screw of the pressure sensor is open.
Syringe is connected to venting capillary.
Pump without pressure sensor:
Blind fitting in the outlet to the pressure sensor is removed.
Syringe is connected to the capillary on the pump-head outlet.
Note:
The flow rate can be changed while being purged. The change takes
effect immediately.
Procedure
Figure
1. Press both arrow keys simultane-
ously until the correct display
appears.
2. Let go of the arrow keys.
3. Using the arrow keys, scroll until
10 ml/50 ml.
Fig. 8
Pump head selection
Legend
1
Flushing symbol
2
Pressure
3
Flow rate
10ml
HEAD:
50ml
HEAD:
2
3
9.876
123
1