Agilent Technologies TwisTorr 305 FS User Manual page 222

Technical Information
Where:
PRESS OVER: indicates that the pressure measured is above the maximum
measurement threshold set (1000 mBar)
The unit of measurement of the pressure can be selected (GAUGE menu→Unit)
from "mBar","Pa","torr"
Pressing 4 times returns to the following screen page:
N
Where:
NORMAL: indicates the operating regime of the pump
XXXHz: see description "Pressing once" Measures key
The operating mode of the controller is shown at the bottom in the center. This may
be:
FRONT: front mode (the controller accepts START/STOP and LOW SPEED
commands from the front panel)
REMOTE: remote mode (the controller accepts START/STOP and LOW SPEED
commands via the rear connector)
RS232: the controller accepts commands from the serial port according to the
RS232 standard.
RS485 [XX]: the controller accepts commands from the serial port in RS485 mode
with address XX (XX from 0 to 31)
PROFIBUS [YYY]: the controller accepts commands from the PROFIBUS port with
address YYYY
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