
Interface 9320 User Manual Issue 1.0
There are six push buttons on the front panel of the 9320, which are available for use in
normal operation. Each of these is described below:
Front Panel
Button Function of Button in Normal Operation Mode
To switch the 9320 ON or OFF press and hold the button.
The RANGE button allows the user to toggle between two
independent scales. The range that has been selected is
highlighted by an annunciator.
The HOLD button allows you to hold/freeze the current display
value when the button is pressed. Pressing the HOLD button
again releases the display. The HOLD annunciator is illuminated
when in the HOLD mode, and the display will flash, to alarm
further that the user is not viewing instantaneous display values.
The GROSS/NET button, when pressed, allows the user to
toggle between displaying the Gross or Net display values. This
can be useful in many applications where it is necessary to
display the change in display value from a certain part of the
measurement range. When inNET mode the NET annunciator is
lit. When in GROSS mode, the NETannunciator is not lit.
The SHUNT CAL button allows the user to press this at any
point in time. The standard unit shunts a 100k?resistor across
the negative excitation and negative signal connections. If this is
performed at the end of the calibration procedure, then a figure
can be noted, so the user can check calibration accuracy or
connection integrity. The button has to be held down to operate.
When held down the SHUNT CAL annunciator is lit and the
display will flash, to alarm further that the user is not viewing
instantaneous display values.
When thePEAK button is pressed the display will show the last
Peak reading. To reset the Peak readings press the PEAK and
TROUGH buttons simultaneously. When inPEAK mode the
PEAK annunciator will be lit and the display will flash, to alarm
further that the user is not viewing instantaneous display values.
To turn off Peak mode pressthePEAK button.
When theTROUGH (valley) button is pressed the display will
show the last Trough reading. To reset the Trough readings
press the TROUGH and PEAK buttons simultaneously. When in
TROUGH mode the TROUGH annunciator will be lit and the
display will flash, to alarm further that the user is not viewing
instantaneous display values. To turn off the Trough mode press
theTROUGH button