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Metrohm 746 VA Trace Analyzer User Manual

Page 573

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8 Technical data

746 VA Trace Analyzer / 747 VA Stand

8-12

Receive binary files

The buffer of the RS232 interface is set to 133 characters receive. The receive

buffer is emptied after the receipt of 133 characters. In this mode, a software

handshake (

SWchar

or

SWline

) is not allowed.

Send binary files

The buffer of the RS232 interface is set to 133 characters send. The receive

buffer is emptied after the receipt of every character. In this mode, a software

handshake (

SWchar

or

SWline

) is not allowed.

Send ASCII reports

The RS232C parameters set on the dialog page ”VA TRACE ANALYZER” ap-

ply. The key remote control mode must be switched off (

Remote keyboard =

off

).

Send special reports

ActDetm

and

ActMeth

The special reports comprise an ASCII report and a binary file together. The

settings and criteria described above apply to both parts.

Send contents of current field

If the <

?

> key is pressed in the navigation mode (see section 5.2.2), the

contents of the selected field (position of the field cursor) are put out as an

ASCII string to RS232C interface 1.

Send contents of the current screen page

If the <

@

> key is pressed in the navigation mode (see section 5.2.2), the

contents of the entire screen page on which the field cursor is positioned are

put out to the RS232C interface 1. Text is put out as an ASCII string, graphics

as printer code depending on the

printer type

selected for the RS interface

on the "VA TRACE ANALYZER" page.

8.3.4

Key remote control mode

The key code of the 746 VA Trace Analyzer can be sent to RS232 interface 1 or re-

ceived from there. This allows, e.g. remote control of the VA Trace Analyzer by a PC

by sending keystrokes or stored key entries to the VA Trace Analyzer.
The key remote control mode is switched on and off with the parameter

Remote

keyboard

on the dialog page ”VA TRACE ANALYZER” as follows:

off

off

send

send key code

receive

receive key code

(

Receive mode

must be set to

on

for this)