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ScienTECH SA Analytical SA 120 - Dual Range Balances; Send; Zero

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8
Dual Range Balance Models:
Pressing the RANGE/FUNCTION button allows you to choose from low (LO), high (HI) and autorange (HI
LO). As a range is selected its annunciator briefly appears at the upper right of the display. Autorange auto-
matically switches from low range to high range when a weighing exceeds the capacity of the low range.
Note: On dual range balance models, pressing the RANGE/FUNCTION and MODE buttons simulta-
neously will duplicate the menu described for single range balances.
The MODE Button:
For all models, pressing the MODE button starts the unit of weight cycle as follows: grams(g), carats(ct), pen-
nyweights(dwt), troy ounces(ozt), ounces(oz), pounds(lb), kilograms(kg) and milligrams(mg). When the de-
sired unit of weight appears, press the MODE button a second time to select that unit of weight.
An optional, factory installed, user specified, custom unit of measure is available. If you have this special unit
of measure feature in your balance, (A) appears in the unit of weight cycle in addition to the other options.
Press the MODE button to select this option.
The SEND Button:
Pressing the SEND button sends the information on the balance’s display to an external device via the RS-232
interface.
Note: Scientech balances are DTE (computer) devices. If communicating to another DTE device (ie
computer), a Scientech RS-232 cable, PN10697, or normal null modem cable is required. If you
are communicating to a DCE device (printer), a serial cable is required. Scientech offers a serial
cable, PN11367, for your convenience.
You may send the time and date along with the weight reading when you press the SEND button or you may
send weight readings automatically at user specified time periods (see the Bi-directional RS-232 Command Set,
for details). Weight readings may also be sent to a computer or printer continuously every 200 milliseconds
(see the RS-232 Front Panel Configuration section for details). Weight readings may be sent automatically
when the balance reaches stability (see Selectable Filters section).
The ZERO Buttons:
There are two (2) ZERO buttons. Pressing either button at any time returns the display to zeros. When a weigh-
ing that has been zeroed out is removed from the weighing pan, a negative reading is displayed. To return the
display to zeros, press one of the ZERO buttons.

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