Function Selection; Data Input - Ahlborn ALMEMO 2590-2A Operating Instructions Manual

9. Display and keypad

Function selection

9.4
Each menu comprises a number of functions;
these may have to be activated or programmed
during operation.
In conjunction with certain functions a context-
sensitive help window will appear :
e.g.
To select functions press key(s) :
The first changeable parameter is highlighted in inverse font :
Help is provided by the softkey symbol :
To jump forward to the next function press key(s) :
Depending on function the keys
◄ , ► are assigned the desired meaning, e.g.
Set measured value to zero
Measured value adjustment (pH, LF, O
Clear maximum value and minimum value
Clear memory
Set parameter directly
Cancel function

Data input

9.5
When a programmable parameter is selected (see 9.4) you can clear or repro-
gram the current value directly.
To clear the programmed values press key(s) :
To program press key(s) :
You are now in programming mode :
the cursor flashes below the first input position
To increment the selected digit press key(s) :
To decrement the selected digit press key(s) :
To change the arithmetic sign of a numeric value :
To select the next position press key(s) :
the cursor flashes below the second digit
To move back to the previous digit
Each position is programmed like the first
To terminate data input :
To cancel programming :
24
, or
F1 F2
)
2
PROG
25.45
for function selection
<F>
 or 
<ZERO>
<ADJ>
<CLR>
<CMEM>
<SET>
<ESC>
< CLR >
PROG
<P> in the middle of the softkey row
Temp comp :
...

...

< +/- >

Temp comp :

/
 
PROG
<ESC>
...
0025.0
°C
0025.0
°C
...,
