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9.4.5 Selection of the medium to be monitored
► Select [MEDI] and determine the required medium:
-[Ar] = argon�
-[CO2] = carbon dioxide�
-[N2] = nitrogen�
Changing to another medium modifies the set limit values for switching
signals and the analogue signal� Therefore select the medium before you
define the values for the parameters SPx, rPx, ASP and AEP�
9.5 Service-Funktionen
9.5.1 Reading the min./max. values for volumetric flow
► Select [HI] or [LO] and press [Set] briefly�
[HI] = maximum value, [LO] = minimum value�
Delete memory:
► Select [HI] or [LO]�
► Press [Set] and keep it pressed until [----] is displayed�
► Press [Mode/Enter] briefly�
It makes sense to delete the memories as soon as the unit works under
normal operating conditions for the first time�
9.5.2 Reset all parameters to the factory setting
► Select [rES], then press [Set] and keep it pressed until
[----] is dis-
played�
► Press [Mode/Enter] briefly�
The factory setting is listed at the end of the instructions (→ 13 Factory
setting)�
It makes sense to write your own settings in this table before executing the
function�
