Metrohm 827 pH lab Manuel d'utilisateur télécharger pdf (Page 21)

3 Operation

826/827 pH meter, Instructions for Use 13

Key Measured value display Menu display

Altering display contrast

• The contrast of the LCD display can

be altered with the arrow keys <



and <



> during the measured val-

ue display.

• This setting is retained after the in-

strument has been switched off and

on. The default value is only reset af-

ter the memory has been initialized.

Controlling the menu bar

• In each menu display the <



> und



keys can be used to move the

selection bar up and down by one

line.

Cursor control for text input

• The character to be entered is se-

lected with the arrow keys and en-

tered with <OK>.

Leafing through the measured value

memory

• Leafing through between the entries

in the measured value memory dis-

play: starting from the last meas

ured

value having been stored you can

access older entries with <



> and

vice versa.

Calibration

• The calibration sequence is contin-

ued with <OK>.

• The calibration data are accepted

with <OK> in case they are out of

the defined limits.

Confirming entry

• The <OK> key is used to complete

each entry with the selection bar

moving on to the next parameter. If

an entry is exited without this confir-

mation then the en

tered value will be

rejected.

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Metrohm 827 pH lab Manuel d'utilisateur Page 21

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