Rice Lake Revolution SURVIVOR 420HE, Installation Manual

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1.2 Front Panel Keypad
Figure 1-1 shows the 420 Plus LED annunciators, keypad, and normal mode key functions.The symbols shown
above the keys (representing up, down, enter, left, right) describe the key functions assigned in setup mode. In
setup mode, the keys are used to navigate through menus, select digits within numeric values, and increment/
decrement values. See Section 1.1.3 on page 14 for information about using the front panel keys in setup mode.
The
420 Plus also has a
POWER
key. Use the
POWER
key to turn the indicator on or off.
The
420 Plus
has an on/off switch for the load cells and processor functions. Before opening the unit,
ensure the power cord is disconnected from the power outlet. The power outlet must be located near the
indicator to allow the operator to easily disconnect power to the unit.
Figure 1-1.
420 Plus
Front Panel, Showing LED Annunciators and Normal Mode Key Functions
1.3 LED Annunciators
The 420 Plus display uses a set of six LED annunciators to provide additional information about the value being
displayed:
•
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 the
scale is zeroed.
• Standstill ( ): Scale is at standstill or within the specified motion band. Some operations, including tare
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.
The displayed units can also be set to short tons (tn), metric tons (t), ounces (oz), grams (g), or NONE (no
units information displayed). The
lb
and
kg
LEDs function as primary and secondary units annunciators for
some combinations of primary and secondary units. If neither primary nor secondary units are lb or kg the
lb
annunciator is lit for primary units,
kg
for secondary units.
WARNING
0