Martel Electronics DPC300A - Manual (Page 9)

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2.1 Calibrator Display
The Calibrator Display consists of two regions: The menu bar
(located along the bottom of the screen) is used to access a menu
system. The main display (the rest) consists of up to three process
measurement sub-regions. These sub-regions will henceforth be
referred to as the UPPER, MIDDLE and LOWER displays. Figure 3
shows the location of the different display fields while table 3
describes them.
[P1]
CONFIG LOWER MORE
psi
30.000
mA MEASURE 100.00%
20.000 mA
3
1
2
Figure 3
Display
Table 3 Display Functions
No. Name Description
1 Pressure units Indication of the pressure unit (selectable from
13 pressure units)
2 Span Indicator Indicates the percent of the 4 to 20 mA span.
(For mA and mA Loop functions only)
3 Primary parameter Indicates current measured parameter
2.1.1 Top Level Menu Functionality
There are three options for this menu: MENU, {Active Display}, and
LIGHT. The Top Level Menu is home for the menu display.
2.1.1.1 Using the MENU Option
The MENU option is the gateway to the rest of the menu system.
2.1.1.2 Using the Active Display Option
The active display is indicated by the center option on the Top Level
Menu. It is used to select the display to which the ZERO key will
apply.
2.1.1.3 Using the LIGHT OPTION
The backlight can be toggled on and off using this key.
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