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Available Views:
1. Pressure View: gives the pressure and units. Touching the pressure reading will toggle between decimal
notation and scientific notation. Touching the units will cycle through available units.
2. Pressure and Temperature View: The screen adds a temperature indication. It is only meant to be a
visual aid indicating ambient temperature (± 1.5 °C). Touching the temperature will toggle between °C
and °F.
3. Setpoint View: Visual indicators of Hi and Lo setpoints. If the indicator is green the setpoint is active.
The Hi setpoint is active when the pressure is above its setting and the Lo setpoint is active when the
pressure is below its setting. The two settings may be different. Touching the Hi and Lo indicators will
bring up a screen allowing the corresponding setpoint to be adjusted. Use the left/right arrows to
select the digit and the up/down arrows to change the value of the digit.
4. Bar Graph View: A graphical indication of the current pressure on a log scale. The Hi setpoint is
indicated with an upward arrow and Lo with a downward arrow. Green means the setpoint is active and
red means inactive. If the set point values are made to be off-scale, the arrows will not be displayed.
5. History Graph View: A graphical indication of the pressure over time. Touching the screen anywhere
will bring up a screen allowing the user to adjust the time (in seconds) per sample (displayed point).
Use the left/right arrows to select the digit and the up/down arrows to change the value of the digit.
MENU Button
In all Views except the History Graph View, the MENU icon opens a multipage ring of submenus that can be
cycled using the right-arrow icon. The menu pages are: Screen Orientation → Set Zero → Device Info →
Analog Output → Serial Port → Restore Factory Defaults. The menu ring cycles back around when continuing
to press the arrow. To exit the menu ring, press the X icon. Press the EDIT or VIEW button on a menu page to
change or view values pertaining to that menu item.
X
Within each menu page, there are sub-menus allowing the user to adjust an item.
Press the change symbol
Press the arrow
To accept the changes press the check mark
To cancel the changes press the
HVG-2020A Instruction Manual
Screen
Orientation
EDIT
→
to adjust a value or scroll through available values.
to move to the next item in the sub-menu.
Device
Info
VIEW
→
X
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