Metrohm 838 Advanced Sample Processor Manual - Manual (Page 12)

2.1 Operating principles
4 Metrohm 838 Advanced Sample Processor, Operation
2.1.2 Keypad
Controller
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PUMP-- STIR- ready
FILL
VALVE
INJECT LEARN
C O N FIG PA RA M
U S E R
H O M E END
IN SERT SELEC T
RESET
C LEA R
D ELETE Q U IT EN TER
SA MPLE MO V E LIFT
P
STIR DOS
SC A N C TRL WAIT
<
VALVE RACK
H O LD
LEARN
6.2142.050
>
M E T H O D
STOP START
Metrohm
- +
PREV NEXT
EXT
PUMP
Fig. 1 Key pad
Below the 2-line display there are three LEDs. The two LEDs 'FILL' and
'INJECT' indicate the current position of the injection valve. The LED
'LEARN' lights up when the learn mode is activated.
Most keys have two functions, depending on whether the Sample Proc-
essor is in the normal operating mode or in the editing mode.
Selection menus can be accessed with the upper row of keys (<CON-
FIG>, <PARAM>, <USER METHOD>). The other keys on the left-
hand side of the keypad are used for navigation in the menus or for al-