6
3.
Keypad Functions
The keys on the front panel perform multiple functions. Their function differs depending on whether the gauge
is in
Measure Mode
or
Program Mode
.
•
Measure Mode
is the normal operating mode for measuring and displaying pressure. This mode is
always default after power-up or reset.
•
Program Mode
is used to configure the various options of the gauge. This mode is denoted by a
PRGM indicator on the display.
ON/OFF /
Backspace
Key
ON
/ OFF
Document Symbol:
(Backspace
←
)
Measure Mode
•
Battery
models: Toggles the gauge ON and OFF.
•
SetPoint
and
Current Loop
models: “Resets” the gauge.
Sequence of power-up or reset
1.
Display test is performed (all segments of the LCD display are turned on).
2.
Firmware revision is displayed.
3.
Full scale range of sensor is displayed in the last Engineering Unit used.
4.
All prior register values are restored and activated.
5.
Measure Mode
displays pressure in the last Engineering Unit used.
Program Mode
Backspace
function:
From
Program Mode
, this key will exit to
Measure Mode
.
When editing a register, this key is used to abort a programming operation and exit the
register without making any changes.
When editing a multi-digit value, each key press will backup one digit, until finally
exiting the register.
ENG
UNITS/Up
Arrow Key
ENG
UNITS
Document Symbol:
(Up
↑
)
Measure Mode
Allows the Engineering Units to be changed. During Engineering Unit selection, the
current unit indicator remains solid, and the “new” unit indicator is flashed. Scrolling
through the available units is done by pressing the
Up
↑
or
Down
↓
keys. The flashing
unit is selected using the
PRGM/Enter
→
key, or the process may be aborted by using
the
Backspace
←
key.
Program Mode
(and EU Selection)
Scroll up function. Scrolls up through the available programmable registers. Once a
register is opened, this key allows editing by scrolling up through the values in the
register.