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Point Number
Each Receiver and Alert Unit
connected to the Transponder has a
unique "Point Number" assigned during
the System design process. This
number will correspond to a specific
"Bus Number" and "Point Multiplex
Address" number. The "Multiplex
Address", set by means of switches on
the device (Receiver or Alert Unit)
itself, must correspond with the "Point
Number" assigned in the Transponder
Database. For instance, a device
programmed with Multiplex Address
location 3 and on Bus 5 would be Point
Number 29. This relationship is
displayed in the table which is
displayed anytime a "?" box is clicked
with the mouse. Clicking on any
number in the table will automatically
enter that number into the "Point
Number" box on the Transponder
Database Dialog and will close the
table dialog.
A third number, the "Point Number" is unique to a particular device. "Point Numbers" range from 0 to 63. There
is a one-to-one correspondence between a "Point Number" and a "Point Multiplex Address"/"Bus Number" pair.
The "Point Number" assignment is presented in a table which is displayed whenever the "?" box to the right of
the "Point Number" box is clicked.
This table provides a quick way to select a
particular device without having to translate
between the two numbering systems. Three
buttons at the bottom of this dialog allow the
user to display all possible device numbers
(whether or not the particular Transponder
has a device assigned to the number) or, to
display only locations populated by Receivers
or only locations populated by Alert Units.
When a "Point Number" button in the table is
clicked, the "Point Number" table disappears
and that "Point Number" automatically
appears in the "Point Number" box of the
"Transponder Database" window. The "Bus
Number" and "Point" Address are also
changed to reflect the selection.
+, -, Bus + and Bus -
These buttons, just below the "Point Number", allow the user to quickly advance the device selection by one
location, either one "Point" location ("+" or "-") or one "Bus" number ("Bus +" or "Bus -"). This is useful when a
task requires proceeding from device to device, as during system setup or check out. The "?" box is used to
display all devices to facilitate quick selection of a particular device. It is most useful when diagnosing a problem
with a particular device.
Figure 11: Select Point Dialog with "All Points" Selected
Figure 12: Select Point Dialog with "Receivers Only" Selected
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Page 58 of 142
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