Heidolph LABOROTA 4000 up to 4003 - Manual (Page 120)

Using the Laborota 4002 / 4003 control
118 Laborota 4000/4001 efficient, 4010/4011 digital, 4002/4003 control 1.02
1. Press Ramp Set (Fig. 6-1 (4)) button.
The display (8) will indicate t-1 for the first time value.
2. Use the arrow buttons (Fig. 6-1 (9)) to select the required value (shown on
the display (Fig. 6-1 (14)).
3. Press
Ramp Set
(Fig. 6-1 (4)) button.
The time value is saved. The display (Fig. 6-1 (8)) will indicate p-1 for the
first pressure value.
4. Use the arrow buttons (Fig. 6-1 (9)) to set the required value.
The pressure value is visible on the display (Fig. 6-1 (14)).
5. Set additional pressure ramp values if required. 9 time and pressure
values are available (up to t-9 and p-9).
6. Press
Ramp Active
(Fig. 6-1 (5)) button.
Programming is complete when the final pressure value has been entered.
The LED next to the Ramp Active (Fig. 6-1 (5)) button indicates that the next
distillation started in p const mode will use the programmed ramp.
6.7.2 Recalling a pressure ramp
To recall a stored pressure ramp:
Select the appropriate data record (see chapter 6.6.2, page 117).
6.7.3 Saving a pressure ramp
Vacuum control is not active.
A pressure ramp is programmed.
Ramp Active
(Fig. 6-1 (5)) has been pressed (LED lit).
1. Press Store (Fig. 6-1 (2)) button.
The number of the next free memory location appears on the display (Fig.
6-1 (8)).
2. To overwrite a memory location, use the arrow buttons (Fig. 6-1 (9)) to
select it.
Flashing numbers indicate that the memory location is in use.
If all memory locations are in use, ---. will appear on the display
(Fig. 6-1 (8)).
3. Use the arrow buttons (Fig. 6-1 (9)) to select a memory location number.
4. Press
Store
(Fig. 6-1 (2)) button.