Thyracont VSH87D, Руководство по эксплуатации

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In addition models VSH87DL, VSH88DL and VSH89DL have an LCD with yellow
backlight that displays the measured actual pressure.
In case of an operation error or malfunction the display is illuminated by a red back-
ground color.
In order to change the display unit (mbar, Torr, hPa)
hold the »Adj« key pressed while connecting power
supply until the display shows »Unit«. Then select
the desired unit by pressing the »Adj« key. After 5
seconds without further keypress the setting is sa-
ved!
Display unit and orientation can be changed by software command, see section
5.5.
VSH-RS485-200116