How this Manual is Organized Cha
ter One: General Information
20
Modes
: Modes are always written in proper format (the first letter is capitalized). For
example, the three standard modes available with the 146 unit are Normal Mode,
Leakage Mode, and Setup Mode.
Boards
: The names for the boards are always written in proper format (the first letter is
capitalized). For example, the two optional modes for the 146 unit are available
only if the optional Control board is installed.
Terminology Used in this Manual
The definitions supplied below are not standardized definitions, but are definitions specific to the
146 unit and this manual.
Front Panel
The front panel of the 146 unit is shown in Figure 1, page 21. It includes the
front panel window, the alarm and channel label areas, the keypad, and the
power switch.
Front Panel
Window
The front panel window is also referred to as simply the window, or the LCD
screen. All pressure readings, legends, system messages, alarm and channel
information, and user-defined parameters, are displayed in the window.
Window
Displays
Within the front panel window are four areas where pressure readings and
parameter fields are displayed. The locations of the four areas remain fixed in
the window, although the information displayed in them changes. The four
displays are referred to as the left, center, right, and main displays.
The left display is located in the upper left area of the front panel window.
The center display is located in the upper middle area of the front panel
window.
The right display is located in the upper right area of the front panel window.
The main display is the largest display, and is located in the bottom center
area of the front panel window. The pressure readings for channels 1, 2, and
3, are shown in the left, center, and right displays respectively. Any channel
can be selected for display in the main display area. The default is for the
channel 1 pressure reading to appear in the main display. The exception to
this is when all four channels are used, whereupon the pressure reading for
channel 4 appears in the main display. Channel 4 can only be monitored in
the main display.
Alarm Label
Area
The alarm label area is an etched rectangle on the left side of the front panel.
Use this area to affix custom labels referring to alarms A through D.
Channel Label
Area
The channel label area is an etched rectangle on the right side of the front
panel. Use this area to affix custom labels referring to channels 1 through 4.
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