Metrohm 746 VA Trace Analyzer User Manual

Page 173

5.3 Set Up

746 VA Trace Analyzer / 747 VA Stand

5-22

Softkeys

Meaning

Stirrer

Switch stirrer on/off

The stirrer is switched on or off. The current status is shown in the

Stirrer

parameter.

Even when the "STAND" page is quit, the stirrer remains switched on
until it is switched off manually or automatically (by a program start).

DME

Switch DME (Dropping Mercury Electrode) on/off

The DME is switched on or off. After switching on, the mercury drops
freely from the MME for ca. 1 min. This is shown in the

DME

parameter

on.dt

After the "STAND" page has been quit or on change to another type of
electrode, a DME which is switched on is automatically switched off.

HMDE

Switch HMDE (Hanging Mercury Drop Electrode) on/off

The HMDE is switched on or off. On switching on, a new mercury drop
is formed at the MME. This is briefly shown in the

HMDE

parameter by

The size of the mercury drop can be set with the

Drop size

parame-

ter.

SMDE

Switch SMDE (Static Mercury Drop Electrode) on/off

The SMDE is switched on or off. After switching on, mercury drops
from the MME in a controlled manner for ca. 1 min. This is shown in
the

SMDE

parameter by

on.dt

The size of the mercury drop can be set with the

Drop size

parame-

ter.

RDE

Switch RDE (Rotating Disk Electrode) on/off

The RDE is switched on or off. The current status is shown in the

RDE

parameter.

Settings

Switch to Settings

Switches the softkey bar to the settings parameters and other func-
tions.

VA Stand

Switch to VA Stand 1

Maximum three 747 VA stands can be attached to the 746 VA Trace
Analyzer. This softkey is used to switch to the VA Stand with stand
address

The stand currently selected is displayed in the title line:

Manual Address 1

VA Stand with address 1

Manual Address 2

VA Stand with address 2

Automatic Address 3

VA Stand for Autosampler with address 3