External Pump Control; Switching The Injection Valve; Rack Initialization - Metrohm 838 Advanced Sample Processor Manual

2.7.9

External pump control

EXT
0

2.7.10 Switching the injection valve

VALVE
<
+
.

2.7.11 Rack initialization

RACK
>
-
*
Metrohm 838 Advanced Sample Processor, Operation
manual operation
PUMP on/off
The pump connectors at the rear side of the tower can be switched
with the <EXT> key. Just enter the number of the connector to
switch its state (on/off).
The state of the pump connector is displayed in the normal state of
the instrument:
******** counter
PUMP-+ STIR-----
The + sign stands for an activated pump connector 2.
manual operation
VALVE:
inject, fill
The injection valve on the tower of the 838 Advanced Sample Proc-
essors has two positions. With the <VALVE> and the <ENTER>
key the position is switched directly.
******** counter
RACK
The <RACK> key immediately rotates the rack to initial position.
The magnetic rack code is read off and the corresponding rack table
is loaded. This should be done after every rack change.
Switching the pump connec-
no. ?
tors
1, 2
1/112
ready
Switching the injection valve
inject
Initialize the sample rack
1/112
busy
2.7 Manual operation
53