
12
OPERATING
Leister WELDPLAST S4 / EC4 hand extruder
Activate key lock
1. Menu
2. Key lock
3. Activate
If the key lock has been activated,
key lock appears in the display.
The lock can be reset as follows:
Deactivate key lock
1. Back
2. Reset
3. Select
Confirmation with the Select key must
immediately follow the reset!
Further settings
Contrast setting
Given unfavourable lighting conditions and fluctuations in the ambient tempera-
ture, the contrast on the display can be set in the operating window with the
back key (25).
Heating on/off
In the case of long interruptions (standby), the heating for PLAST and AIR can be
deactivated with the
enter key (26)
in the operating window.