Metrohm 746 VA Trace Analyzer - Manual (Page 175)

5.3 Set Up
746 VA Trace Analyzer / 747 VA Stand
5-24
Softkeys Meaning
After the solutions or the dosing units have been changed, the Dosi-
nos must be initialized by pressing
<Prime Dosinos> . All connecting
tubing up to the measuring vessel are automatically filled with rinsing
solution.
Electr.
test
Electrode test
The electrode (MME or RDE) used in the 747 VA Stand is tested. The
electrode type must be specified for this:
DME DME (Dropping Mercury Electrode)
HMDE HMDE (Hanging Drop Mercury Electrode)
SMDE SMDE (Static Mercury Drop Electrode)
RDE RDE (Rotating Disk Electrode)
On successful completion of the test, the message Electrode test
ok appears in the system window, if any type of malfunction is found
the appropriate error message is shown (see section 7.3.2).
Default
values
Reset parameters to default values
The parameters under Settings are reset to their default values.
>>
Switches
Switch to "Switches"
Switches the softkey bar to the setting of inert gas pressure, purging,
stirrer and electrodes.