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Communication Controls Menu
Accesses sub-menus which set the communications
protocols for the printer and balances.
Printer Type: Toggles between Parr 1758 and Generic.
Balance Port: Accesses sub-menu, Balance Port
Communications.
Balance Port Communications
Balance Type. Toggles through the available
balance templates.
Balance Port Device. This key displays a screen
which allows the user to specify the balance port
device. The default (dev/ttyUSB0) is the designa-
tion for the first USB to serial converter cable
assigned by the calorimeter upon power up.
Customize Balance Setting. Sets the com-
munication parameters for the balance port.
Standard options for data bits, parity, stop bits,
handshaking, baud rate and balance type are
provided to match any devices that might be
connected to these ports.
Balance Port Settings
»
Number of Data Bits. Standard options
for data bits. Toggles between 7 and 8.
»
Parity. Standard options for parity.
Choose from None, Odd or Even.
»
Number of Stop Bits. Standard options
for stop bits. Toggles between 1 and 2.
»
Handshaking. Standard options for hand-
shaking. Choose from Xon/Xoff, RTS/CTS
and None
»
Baud Rate. Standard options for baud
rate. Choose from 19.2K , 9600, 4800,
2400, 1800, 1200, 600, 300, 150, 134.5,
110, and 75.
»
Data Characters from Balance. This
setting is only used when the generic
balance format is selected. This value
determines the number of numeric data
characters (0-9 . + -) to accept. Any ad-
ditional characters after this value and
before the string terminating <CR> are
discarded.
»
Data Precision. This key allows the user
to establish the number of digits to the
right of the decimal point that are passed
from the balance handler.
w w w . p a r r i n s t . c o m
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Menu Descriptions
41
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Troubleshooting
