
26
Components of the keypad/display
The VAPOR-LOGIC
®
3
keypad/display consists of
(see Figure 26-1 below):
• A 128 x 64-pixel backlit LCD display
• A power light
• An alarm light
• Eight keys:
– Four arrow keys
– An Enter key
– Three soft keys
A soft key’s function is determined by the screen
currently displayed.
The arrow keys are used to adjust the values of the
different parameters of the humidifier.
The Enter key is used to make selections on various
screens.
The power light is illuminated whenever power is
applied to the keypad/display.
The alarm light is activated any time a fault condition
is detected.
Keypad/display overview.
Operation
Figure 26-1: VAPOR-LOGIC
3 keypad/display
Operation:
Keypad/display overview
The menu system
The VAPOR-LOGIC
3
keypad/display software
organizes the control of the humidification system
under six top-level screens:
• Status
• Control Modes
• Alarms
• Set Up
• Diagnostics
• Reports
Each one of these screens is used to view or modify a
different characteristic of the humidifier. To access
any of these screens, activate the Main Menu of the
keypad by depressing the “Main” soft key whenever
it is visible. This will immediately take you to the
Main Menu selection screen, allowing you to choose
where you would like to go next using the up and
down arrow keys followed by the Enter key. The
menu structure is diagramed on the opposite page,
with a brief description of the submenus on the pages
following.
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