Metrohm 827 pH lab Manual do Utilizador descarregar pdf (Página 50)

7.3 Setup

42 826/827 pH meter, Instructions for Use

7.3 Setup

Certain settings of the pH meter can be found in the setup menu. This

menu cannot be accessed from the normal instrument display, as alte-

rations to these settings have a great influence on the functions of the

pH meter.

The setup menu is called up by pressing down and holding down the

<CAL> key while switching on the pH meter.

setup

├ lock

├ instr.number

├ instr.type

├ serial type

└

power type

Attention!

Be very careful when making alterations in this menu! Alterations have

a very large influence on the functions of the instrument. Accidental

alterations can be rejected by carrying out a deliberate RAM initializa-

tion (see Section 8.3).

7.3.1 Locking

Setup

├ lock

: ├ all funct.

└

<CAL>

With all funct. you can disable all functions as well as the <CAL>

key, e. g. to prevent unwanted alterations to the instrument settings.

The measuring mode can be changed nevertheless. The <CAL> key

can be locked separately.

You can activate such a disablement by setting the corresponding pa-

rameter to 'on'. This does not affect access to the Setup menu in any

way.

Please note that all disablements will be invalidated if a RAM-Init is car-

ried out (see Section 8.3).

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Metrohm 827 pH lab Manual do Utilizador Página 50