Salter Brecknell PR-3000 Series, Руководство по эксплуатации

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3.2 KEYBOARD
The keyboard is composed of five function keys. Refer to Figure 3-2 for the overall layout
and key locations.
ZERO
UNITS TARE
PRINT
NET
GROSS
OFF
ON
FIGURE 3-2: Function Keys Layout
3.2.1 FUNCTION KEYS
Units – This key toggles the scale among the available weight units. Available weight
units as shipped from the factory include lb, kg and pieces.
Zero/OFF – When held for three seconds, powers the scale OFF. Otherwise, this key
sets the scale to display zero provided the following conditions are met:
1. The scale is displaying Gross weight.
2. The scale is not in motion.
3. The scale is not in overload (see Appendix C for error codes).
Net/Gross - This key toggles the scale between Gross weight and Net weight only if a
Tare has been established.
Tare - This key is used to establish a Tare provided the following conditions are met:
1. The scale is not at or below Gross zero.
2. The scale is not in motion.
3. The scale is not in overload (see Appendix C for error codes).
ON/Print – This key is used to turn the scale ON. (The Print function is not available
on this model).
3.3 GENERAL SCALE OPERATION
3.3.1 WEIGHING AN ITEM
1. Select the desired weighing unit by pressing the UNITS key until that unit is
indicated on the display.
2. If necessary, press the ZERO key to obtain a weight reading of zero.
3. Raise the object to be weighed off the floor and allow the weight indication to
stabilize. If the item weight exceeds the scale’s weight capacity, it displays
“ ”.
4. Read the weight shown on the display.
3.3.2 TARING AN ITEM
To weigh an item in a container or on a pallet, the weight of that container or pallet
must first be subtracted from the overall weight to obtain an accurate weight reading.
This is known as taring.
1. Select the desired weighing unit by pressing the UNITS key until that unit is
indicated on the display.
2. If necessary, press the ZERO key to obtain a weight reading of zero.