Leica GS20 manual 9.8Interfaces, 9.8.1Real-Time, Setup

Models: GS20

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9.8Interfaces

3.CQ Warning (Coordinate Quality): Even if Point Autostop is set to none, a notification alarm can be set to alert the user that the defined quality has been exceeded.

Line Quality

1.Defines the horizontal quality tolerance for linear streaming.

Tip: The Line Quality can be used to filter or just notify the user of positions that exceed quality. This setting can be found in the Streaming Options in Data Collection.

9.8Interfaces

The Interface subgroup controls how external devices interact with the Leica Geosystems GS20. The Interfaces can be further subdivided into Real-Time, Offset Devices, and NMEA Output.

9.8.1Real-Time

Real-Time or “Differential” correction allows a GPS to use a known reference position to correct the less accurate autonomous position. The Leica Geosystems GS20 supports two combined message formats of the RTCM "Radio Technical Commission for Maritime services" standard. RTCM (9,2) (1,2) (18,19) and (20,21).

Several default devices are available for Real-Time Interface.

RTB: CSI Real Time Coast Guard Beacon.

RTS: Racal LandStar Satellite Subscription Service.

RS232: An open standard for 3rd party devices.

GSM

Modem Devices

To view or edit the properties of the device being used, Select Menu and choose 2 Device Properties.

Tip: Additional properties unique to a device such as the RTB (Frequency, Bit Rate) and RTS (Channel and Station) can be defined by the user in Device Properties.

Leica GS20 Field Guide-1.1.0en

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Setup

Page 73
Image 73
Leica GS20 manual 9.8Interfaces, 9.8.1Real-Time, Setup