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
ON
OFF
1
5
max
2
CAL
3
Store
Quit
6
Menu
4
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Function
during the measurement
On/off switch
min/max...
min
... pressed briefly:
Display minimum or maximum
value measured so far
... pressed for 2 seconds:
Delete the value in
question
CAL... (only in operating mode
"pH")
... pressed briefly:
Display the condition of the
combination electrode (1x
press), display the calibration
data (additional presses)
... pressed for 2 seconds:
Start the pH calibration
Store:
Hold and save the
current measured value
("HLD" in display)
Set... (in operating modes "pH",
"rH", and "mV
"
Set
H
... pressed briefly:
manual temperature input if no
temperature probe is con-
nected.
additionally for "rH" mode:
manual input of pH value
(press key a second time)
... pressed for 2 seconds:
Call up the setup 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
13