Tektronix NetTek YBT250, Руководство пользователя

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GPS
2- 54
YBT250 Field Transmitter & Interference Tester User Manual
GPS Receiver Field
The GPS Receiver field selects the type of GPS receiver that is
connected to the YBT250 and/or NetTek Analyzer Platform.
H
None : Select this when there is no GPS receiver connected to the
NetTek Analyzer Platform.
H
NMEA (Serial)
: Select this when there is a GPS receiver
connected to the NetTek Analyzer Platform serial (RS--232) port.
H
NMEA (PCMCIA) : Select this when there is a GPS receiver
connected to the NetTek Analyzer Platform PCMCIA card slot.
H
Tek GPS Timing Ref
: Select this when there is a Tektronix
YBGPS1 GPS Timing Reference unit connected to the YBT250
and the NetTek Analyzer Platform.
GPS Field
The GPS field shows the overall YBT250--to--GPS receiver
communication status. If the YBT250 cannot establish communica-
tions with the GPS receiver, see
Troubleshooting Your GPS Receiver
on page 2--58 to resolve possible GPS receiver problems.
GPS Status Field
The GPS Status field shows satellite signal status information. See
Figure 2--54.
Figure 2- 19: GPS Status field