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INTRODUCTION
Your Bowmar MX80 Calculator represents a
significant engineering achievement resulting
in full-size capability in a pocket-size package.
Advances in miniaturized computer circuits
using single-chip LSI (Large Scale Integration),
LED (Light Emitting Diode) display technology,
and a unique snap-action keyboard have
provided a rugged, reliable unit, and the self-
contained nickel-cadmium rechargeable
batteries permit convenient use even when AC
power is not available.
The MX8Q performs addition, subtraction,
multiplication, division and percentage
including chain or mixed multiplication and
division. and utilization of a stored constant,
It also has a capability to mark up or discount
a number after the percentage is calculated.
Ten digits are provided for entry and readout
with a full floating decimal and a positive or
negative sign. Additional display indicators
denote Power On, Low Battery, Overflow, Error
and Minus Sign. A "Battery Saver" feature to
extend battery ope1ating time causes the
display to blank out approximately 30 seconds
after the last entry, without the loss of a
problem.
It is suggested that the following instructions
be read with the calculator at hand, and that all
examples be performed with the unit to
increase your familiarity. A short outline of
operating procedures is also printed on the
back
of the
calculator.
,
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OPERATION
AC Operation:
Set the switch on the back of the Charger/
Power Supply to the electrical outlet
voltage, Le., 115 or 230 Volts. Plug the
Charger into the outlet and the connector
into the Calculator. (Note that the
connector is keyed.) After these
connections, the power switch may be
turned on and operation started.
Battery Operation:
Disconnect the Charger cord and turn the
power switch "ON". With normal use a full
battery charge can be expected to supply
about
5
hours of working time.
NOTE: When the low battery indicator
(L) on the display is lighted, do not
continue battery operation. This
indicates need for a battery charge.
Use of Ihe Calculator can be continued
during the charge cycle. Charging will
continue whether calculator is on or off.
Battery Charging:
Simply follow the same procedure as in AC
operation. The Calculator may be used
during the charge period if desired. In
order to fUlly charge
a
battery which has
been completely discharged, 7 hours is
required. In most cases, an overnight
charge should be adequate.
NOTE: Although no damage will result
from prolonged periods with the Charger
connected, il is advisable to remove the
Charger when it is not in use or after
a
fu!1
recharge cycle.
CAUTION:
To avoid possible damage, use
only the charger provided with the calculator.
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