8
Key Functions:
ON/OFF
This key is used to turn the
instrument on or off.
ZERO
The AXD530 will zero the
instrument any time this key
is pushed. To get a proper
zero, make sure no pressure
difference is applied across
the ports and no kinks are in
the hoses.
(See also “Zeroing the
Instrument.”)
UNIT
This key is used to select the
desired unit of measurement.
Using the AXD530
Basic Functions
To Change Units:
• Push and hold the UNIT key.
• The display annunciator
S
will move to the left of the LCD
beginning from the right.
• Release the UNIT key at the desired location.
Display with annunciator and units of measure
