Tracer AV Installation Manual - Rice Lake Weighing Systems

1.2 Display and KeypadFigure 1-1 shows the Tracer AV LED display with annunciators and keypad. In setup mode, the keys are used tonavigate through menus, select digits within numeric values, and increment/decrement values. See Section 3.1.3on page 11 for information about using the front panel keys in setup mode..Figure 1-1. RD-1 Front Panel, Showing LED Annunciators (left), and RK-1 2-Button Keypad (right)1.3 LED AnnunciatorsThe Tracer AV display uses a set of six LED annunciators to provide additional information about the value beingdisplayed:• Gross and Net annunciators are lit to show whether the displayed weight is a gross or net weight.• Center of zero ( ): Gross weight is within 0.25 graduations of zero. This annunciator lights when thescale is zeroed.• Standstill ( ): Scale is at standstill or within the specified motion band. Some operations, includingtare functions and printing, can only be done when the standstill symbol is shown.• lb and kg annunciators indicate the units associated with the displayed value: lb=pounds, kg=kilograms.1.4 Tracer AV OperationsBasic Tracer AV operations are summarized below.1.4.1 Toggle UnitsPress the Units key to switch between primary and secondary units. The appropriate units LED under the displayis lit.1.4.2 Zero Scale1. In gross mode, remove all weight from the scale and wait for the standstill annunciator ( ).2. Press the Zero key.The center of zero ( ) annunciator lights to indicate the scale is zeroed.2 Tracer AV Installation Manual