Trans-Cal SSD120 M Series, Installation And Calibration Manual

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3.3 Serial Data Port Test Equipment
The output of the serial port may, or may not be displayed by the GPS or
other device receiving serial data. There are several ways to test the output
of the serial port:
A. Connect to an open serial port on a personal computer
using serial data capture software such as
PROCOMM™ , VERSATERM™, SOFTWARE
WEDGE™, TERMINAL (Windows® 3.x) or
HYPERTERMINAL (Windows® 95 & 98).
B. Use a dedicated serial data test box such as BLACK
BOX™ RS232 Monitor.
C. Test for serial output using an oscilloscope to view the 9
VDC square wave, transmitted once a second.
3.4 Parallel Data Port Test Equipment
The output of the parallel port may be displayed on any number of ramp
test sets capable of interrogating the transponder and displaying the
altitude code from the encoder/digitizer. Or the Trans-Cal ATS-200 test
set may be used to display the encoder/digitizer output.