Setra-system Model 370 Manual do Utilizador descarregar pdf (Página 18)

3.9 REPETITIVE PRINTING

It is sometimes desirable to record pressure measurements at fixed

intervals of time. To print at fixed intervals, follow this procedure:

1. Connect a printer as outlined in Section 3.8.

2. Enter the number of seconds between readings.

3. Press PRINT. The gauge will print out a reading at the specified interval.

4. To cancel repetitive printing, press "-" then PRINT.

To interpret the meaning of the symbols printed, see Appendix III - "RS-232C

Serial Data Communications."

Most printers are equipped with a buffer which allows them to receive information

at high speed from the gauge, and print it at the slower speed of the printer.

Using repetitive print mode with a printer which is not equipped with a buffer

may cause a "Q-OFLO" message to be printed, indicating that the printer

cannot accept information at the rate it is being sent. There are three solutions

to this problem; either make the repetitive print interval longer, use a printer

equipped with a buffer, or set the communications baud rate on both the gauge

and the printer as slow as possible (300 baud, for instance).

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Setra-system Model 370 Manual do Utilizador Página 18