FCO770 Users Guide Issue 1 Page 9
Power/Standby Button
There is a 1½ second delay when turning off to avoid accidentally switching the instrument
off. Note that this puts the instrument into a standby state; the power is not removed from the
rear connectors. Operation of this button may be disabled via the security menu.
Pressure Control (optional)
One or two optional precision pressure or vacuum regulators may be fitted to control the test
pressure. The regulator is set using the pressure control knob on the front of the instrument.
The pressure is displayed on the main display whilst the instrument is in standby. The
pressure may be checked to be within a set tolerance before allowing a test to start. If out of
tolerance the display will show either "LOW" or "HIGH" and a fault condition will occur.
Calibration Port
The self-sealing calibration port allows for easy checking of the instruments calibration
without the need to connect into the test lines. The calibration port is intended for use with
the FCO210 Microcalibrator. The same port can also be used to measure the test pressure
during the fill operation using a calibrated pressure instrument. Pushing the connection plug
into the port connects the calibration equipment. The button on the top of the port must be
pressed to release the plug. Plugs can be obtained from Furness Controls or their distributors,
part No A4667.
USB-A Port (Data)
The front panel USB-A may be used to read and write to many types of devices including
memory sticks where the transfer of logged data or instrument firmware updates can be
performed.
USB-B Port (Control)
The front panel USB-B port may be used to connect a PC for data collection, instrument
configuration, etc. Note that a device driver for the USB port may need to be installed on
your PC.
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