Keypad Functions; Annunciators - Cardinal 758 Operation Manual

The membrane keyboard is not to be operated with pointed objects (pencils, pens,
fingernails, etc). Damage to keyboard resulting from this practice will NOT be
covered under warranty.
( I ) ON (O) OFF KEY
With the 758 off, pressing this key will apply power to the instrument and turn on the display. If
the 758 is already on, pressing this key will display OFF
è¢ç ZERO
This key is used to reset the display to zero up to the selected limit of either 4% or 100% of the
scale capacity. The zero limit is set during setup and calibration of the 758. It also used to step
through the available values during setup and calibration.
UNITS
This key is used to change the weighing units to the alternate units of measurement if selected
during setup of the instrument (WEIGHTING UNITS = 3 or 4). For example, with pounds
displayed (lb annunciator turned on) pressing this key will change the weighting units to
kilograms (kg annunciator will turn on). NOTE: This feature must be enabled during setup and
calibration for this key to be operational. This key is also used to display the current setting
during setup and calibration.
¤ ¤ PRINT
Pressing this key will initiate the transmission of weight data via the serial I/O port unless the
continous data output feature was enabled during setup and calibration or setup review. NOTE:
If the continuous data output feature was selected, this key will be disabled. This key is also
used to save the current setting during setup and calibration.
The annunciators are turned on to indicate that the display is in the mode corresponding to the
annunciator label or that the status indicated by the label is active.
è¢ç (ZERO)
The è¢ç (ZERO) annunciator is located to the left of the weight display and is turned on to
indicate that the weight is within +/- 1/4 division of the center of zero.

KEYPAD FUNCTIONS

Figure No. 8

ANNUNCIATORS

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OFF and remove power from the instrument.