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3.3 Serial Altitude Data Port Test Equipment:
The output of the serial port may, or may not be directly displayed by the
GPS or other device receiving the serial data. There are several ways to test the
output of the serial port:
1. Connect to an open serial port on a personal computer using serial data
capture software such as PROCOMMJ, VERSATERMJ, SOFTWARE
WEDGEJ, TERMINAL (Windows7 3.x) or HYPERTERMINAL
(Windows7 95 & 98).
2. Use a dedicated serial data test box such as the BLACK BOXJ RS232
Monitor.
3. Test for a serial output using an oscilloscope to view the 9 VDC square
wave transmitted about once a second.
4. Consult the factory for RS485 test equipment.
3.4 Parallel Altitude Data Port Test Equipment
The output of the parallel altitude data may be monitored by any number
of transponder ramp test sets which allow display of the altitude digitizer/encoder
code. Alternatively, the Trans-Cal Industries= ATS-200 may be used to display the
parallel data.
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