
Overview Multi 3500i
6
1.3 Keypad
Key functions
MENU
ENTER
ESCSTOCAL
PRTM
Select the measured variable <M>:
– pH value / ORP / ion concentration
– DO concentration / DO saturation / DO partial
pressure
– Conductivity / specific resistance / salinity /
TDS
Output display contents to RS232 interface (e.g.
print)
<PRT>
Switch the measuring instrument on/off
<ON/OFF>
Calibrate the currently selected measured vari-
able
<CAL>
Store a measured value
<STO>
Switch to the next higher menu level /
cancel input
<ESC>
Set values
<▲>, <▼>
Open a menu / confirm input
<MENU/ENTER>
M
PRT
CAL
STO
ESC
MENU
ENTER
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