Pressure Calibrator
Pushbuttons
7
Pushbuttons
Pushbutton operation is described in Table 3.
Table 3. Pushbutton Functions
Pushbutton Description
U
Press to select a different pressure unit. All units are available when the pressure sensor input is used. For
higher pressure module inputs, inappropriate (out-of-range) units are not available. Press
O
on while
pressing
U
to source loop voltage.
D
Turns pressure reading damping on and off. With damping on, the Calibrator averages several
measurements before displaying a reading.
Z
Press to zero the pressure display. Vent pressure to atmosphere before you press this pushbutton. With an
Absolute Pressure Module, see special instructions below.
m
Press and hold to read the minimum pressure and current readings since power was turned on or
c
was
pressed.
c
Press to clear the MIN and MAX memories.
M
Press and hold to read the maximum pressure and current readings since power was turned on or
c
was pressed.
h
Press
h
to freeze the display. The
g
symbol appears on the display. Press
h
again to resume
normal operation.
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