10
KEYPAD FUNCTIONS
The 777 indicator has 8 standard function keys, a full “QWERTY” alphanumeric keypad and 4
soft (programmable) keys. The keypad is used to enter commands and data into the
instrument. Refer to Figure No. 10 or the actual instrument while reading this section.
The membrane keypad is not to be operated with pointed objects (pencils,
pens, fingernails, etc). Damage to keypad resulting from this practice is NOT
covered under warranty.
Figure No. 10
STANDARD KEYS
This section describes the standard keys along with its function as programmed by the 777
EPROM program (as it comes from the factory). NOTE: The application program can change
the function of the standard keys.
NET/GROSS KEY
This key is used to switch the display between Gross Weight mode and Net Weight mode.
In the Gross Weight mode, the total of all weight placed on the scale since the the display
was zeroed is displayed. In the Net Weight mode, the gross, tare and net weight is
displayed. NOTE: If a valid tare weight has not been entered, the 777 will ignore this key.
TARE KEY
This key is used to enter a tare weight of up to the capacity of the scale. Press the TARE
key, then using the keypad, input the tare weight and press the ENTER key. The Weight
Screen will return displaying the gross, tare and net weights.
NOTE: The tare weight will remain until another tare weight is entered or it is cleared.
Clearing the tare weight can be performed in one of two methods. The first method is to
press the TARE key, then with the
TARE
prompt displayed, press the FNCT key. The
second method is to press the TARE key and enter zero (0) for the tare weight. In either
case, the 777 will return to the Weight Screen, displaying gross weight only.
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