2 keypad, Keypad, Fig. 1 – Metrohm 838 Advanced Sample Processor Manual User Manual
Page 12: Key pad, Counter 0/112 pump-- stir- ready, Controller, Metrohm, Stop start
2.1 Operating principles
4
Metrohm 838 Advanced Sample Processor, Operation
2.1.2 Keypad
Controller
******** counter 0/112
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-