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Metrohm 746 VA Trace Analyzer User Manual

Page 168

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5.3.1 VA TRACE ANALYZER

746 VA Trace Analyzer / 747 VA Stand

5-17

Softkeys

Meaning

Contrast

down

Decrease screen contrast

The screen is set one level darker (–2). The current contrast value is
displayed in the

Contrast

parameter.

Continuous darkening can be achieved by pressing the keys
and <ê> simultaneously.

Reset

Ifc.1

Reset RS interface 1

RS232 interface 1 is reinitialized. This may be necessary with certain
disturbances in data communication traffic via the RS interface (see
Error messages, section 7.3.2).

Reset

Ifc.2

Reset RS interface 2

RS232 interface 2 is reinitialized. This may be necessary with certain
disturbances in data communication traffic via the RS interface (see
Error messages, section 7.3.2).

Save

Ifc.par.

Storage of RS232 parameters

For both RS interfaces, the five RS232 parameters

Baud rate

,

Data

bits

,

Stop bits

,

Parity

and

Handshake

are not stored definitively

until this softkey has been pressed.

Diagn.

Diagnostic routine

Enter the instrument diagnostic routine (see section 7.6).

Parameter

Range; Default value / Meaning

Program

display only

Program version number

Date

YYYY-MM-DD;

Date

Date in the format year – month – day.

Time

hh:mm:ss;

Time

Time in the format hours – minutes – seconds.

Beeper

on, off; on

Beeper

General switching on/off of the beeper (with

Beeper = off

an audio

signal is put out only with errors occurring during program execution
or with the

BEEP

command).

Display

display only

Screen

Title for those parameters which affect the screen settings.

Switch-off time

15...999 min; 30 min

Switch-off time

Time interval without keypad entry after which the screen will be
automatically blanked.