Xylem VARIO WATERPROOF PH METER User Manual
Page 18

Operation
VARIO pH
18
ba75373e04
07/2006
Touch screen
operation
In this operating manual, keys are indicated by angle brackets <..>.
The touch screen symbol (example <
3
>) shows you which area you have
to press. Function keys are indicated by the relevant name or symbol.
The keys can have different functions with a long and short keystroke.
In this operating manual, the key symbol (e.g. <
E
>) generally means a
short keystroke (shorter than 1 sec). A long keystroke (approx. 1 sec) is
indicated by a line after the key symbol (e.g. <
E_
>).
Operating examples:
Note
Any keystroke is confirmed by an acoustic signal.
With a short keystroke you hear a short sound, with a long keystroke you hear
a longer sound.
Symbol
Meaning
<
(
>
Press any spot on the display shortly.
(Example: Switch on the meter)
<
"_
>
Press any key in the upper display line for a
longer time (approx. 1 sec).
(Example: Toggle the measured value display
between pH and mV display)
<
C
>
Press "CAL" shortly.
<
U
>
Press the "Clock symbol" shortly.
<
E_
>
Press "ESC" for a longer time (approx. 1 sec).
(Example: Switch off the meter)
<
<
> or <
>
>
Press <
<
> or <
>
> shortly.
Increment or decrement the displayed value
by 1.
<
<_
> or <
>_
>
Long pressure (approx. 1 sec) on <
<
> or
<
>
>.
Increment or decrement the displayed value
continuously.
