Hardi HC 9600, Руководство оператора

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7 - Fault finding
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• Change Longitude/Latitude Format
Pressing this button changes the Longitude/Latitude format. These can either be shown in Degrees, Minutes and
Seconds; or Decimal Degrees.
• View Messages
To view the NMEA or TSIP messages coming from the receiver. See “GPS Messages” on page 191.
• UTC Time
UTC is an acronym for Coordinated Universal Time, a high-precision atomic time standard that defines local time
throughout the world. If you are receiving information from the satellite, then the UTC Time should automatically
update.
• UTC Date
If you are receiving information from the satellite, then the UTC date should automatically update.
• HDOP
Horizontal Dilution of Precision (HDOP) indicates the quality of the horizontal GPS position. Lower HDOP numbers are
optimal, higher numbers are undesirable.
• PDOP
Position Dilution of Precision (PDOP) is a unitless measure indicating when the satellite geometry can provide the most
accurate results. When satellites are spread around the sky, the PDOP value is low and the computed position is more
accurate. When satellites are grouped close together, the PDOP is high and the positions are less accurate. Lower PDOP
numbers are optimal, higher numbers are undesirable.
• Port
The connection between the display and the GPS as established at a message format and baud rate.
• RTK Throughput
Indicates a percentage of information available from the RTK base station. Used for troubleshooting an RTK link
between the base and rover.
• Frequency
The Correction Frequency indicates the GPS satellite frequency used by the receiver.
÷
NOTE! The Correction Frequency diagnostic does not show for WAAS connections.
• Correction Age
The length of time since the GPS receiver has obtained its last update.
÷
NOTE! The age of the DGPS corrections (as delivered to the GPS receiver) will vary from one second to several seconds,
depending on the characteristics of the individual satellite signals.
View
Messages