16
NET
N
TEST
PRESET
lb
kg
PRINT
ENTER
NET KEY
Pressing this key will cause the 708 to enter the Net Weight mode where the weight
displayed is the gross weight less the stored tare weight. The NET annunciator is turned
on to show that the displayed weight is the net weight. Note that the 708 will only enter
the Net Weight mode if a valid tare weight is currently stored.
TEST KEY
The TEST key is used to conduct a test of all display and memory elements. The test
consists of 4 cycles each lasting 2 seconds:
1. All vertical display segments on (no annunciators).
2. All horizontal display segments on (no annunciators).
3. All annunciators and decimal points on.
4. All display elements off.
PRESET KEY
The PRESET key is used to enter the weight values for either the two preset weight
comparators or for the checkweigher feature depending on which feature was selected
during setup and calibration of the 708. If the Preset Weight Comparator feature was
selected, the PWC1 annunciator will flash and the display will show the currently stored
value for the number 1 preset weight comparator. If the value displayed is acceptable,
press the ENTER key, otherwise, use the numeric keys to enter the new preset value
and press the ENTER key. The PWC2 annunciator will now flash and the display will
show the currently stored value for the number 2 preset weight comparator. As before, if
the value displayed is acceptable, press the ENTER key, otherwise, use the numeric
keys to enter the new value and press the ENTER key. If the Checkweigher feature was
selected and the PRESET key pressed, the ACCEPT and UNDER annunciators will
flash and the preset value for the minimum acceptable weight will be displayed. Press
the ENTER key if the displayed value is correct or use the numeric keys and enter the
new value and press the ENTER key. The ACCEPT and OVER annunciators will now
flash and the display will show the minimum value of weight over the accepted range.
As before, if the value shown is correct, press the ENTER key. If the value is incorrect,
enter the new value and press the ENTER key to save it. Note that this value must be
greater than the accept value. Remember that both the preset weight comparators and
checkweigher functions operate on the absolute value of the weight ignoring the polarity.
After the second preset value is entered, the 708 will return to normal operation.
lb / kg KEY
Pressing this key will change the weighing units to the alternate units of measurement if
selected during setup of the instrument. With pounds displayed (lb annunciator turned
on) pressing this key will change the weighing units to kilograms (kg annunciator turned
on). Note that this feature must be enabled during setup and calibration for this key to
be operational.
PRINT KEY
Pressing this key will initiate the transmission of weight data via the serial I/O port
unless the continuous data output feature was enabled during setup and calibration or
setup review. Note that if the continuous data output feature was selected, this key will
be disabled.
ENTER KEY
The ENTER key serves two purposes. First, when reviewing setup parameters, pressing
the ENTER key will cause the current setting of the parameter to be displayed. Second,
the ENTER key is used to signal the completion of the entry of data and causes the 708
to process the data entered.
0 THROUGH 9 KEYS
These keys are used to enter numeric data during the setup and
calibration as well as during normal operation of the instrument.
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9
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