Control Elements - JUMO 202710/30 Operating Manual

Handheld meter for conductivity (cr), specific electrical resistivity, tds, and salinity
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4.2

Control elements

The descriptions printed in black on the control keys relate to functions that
are available in measurement mode.
The descriptions and symbols printed in red on the control keys relate to func-
tions that are available when setting the device.
Key
Function
during the measurement
ON
On/off switch
OFF
1
min/max...
min
... pressed briefly:
Display minimum or maximum
5
value measured so far
... pressed for 2 seconds:
Delete the value in
question
max
2
CAL...
CAL
... pressed for 2 seconds:
Start calibration of the
3
relative cell constants
(only possible in operating
mode "cond" = conductivity)
Store:
Store
Hold and save the
current measured value
Quit
6
("HLD" in display)
Set...
Set
... pressed briefly:
Toggle between units (only pos-
Menu
4
sible when setting the parame-
ter "InP" to the value "SEt")
... pressed for 2 seconds:
Call up the setting menu
4 Operation
Function
in setting menu
/
Enter values or modify settings
"Scroll" through the parameter
sublevels of the submenu
Quit:
Return to measuring, entries/
settings will be saved
Menu:
Return to setting menu, entries/
settings will be saved
11

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