CHC LT500 Series, Руководство по началу работы

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2.
O
VERVIEW
2.1. F
EATURES
The CHC LT500 Series offers 3 different options to meet requirements of
various applications with adoption of Windows Mobile® WEHH operating
system. Featuring with outstanding specifications and cutting-edge
technologies integrating with gyro, laser alignment and accelerometer, the
LT500 series makes your work more efficient. And the LT500 Series is
optimized to run with Carlson SurvCE® 4 field survey software and/or
DigiTerra Explorer 7 GIS data collection software.
2.2. S
PECIFICATIONS
GNSS characteristics & Performance specifications
LT500H LT500T LT500N
Usage Dual Frequency RTK L1 RTK & DGPS DGPS & SBAS
GNSS Tracking Channels 120 220 12
Update Rate 1, 2 & 5 Hz 1 & 2 Hz 1 Hz
GPS Signals L1, L2 L1 L1
GLONASS Signals L1, L2 L1 –
Galileo Signals E1 E1 –
BeiDou Signals B1 B1 –
SBAS Signals WAAS, QZSS WAAS, QZSS SBAS
Autonomous 150 cm 150 cm 250 cm
SBAS 50 cm 50 cm, with WAAS
corrections 30 cm 60 cm
DGPS 40 cm 25 cm 28 cm
RTK 1 cm + 1 ppm 2 cm + 1 ppm (optional) N/A
RTK Baseline Distance Up to 40 km < 5 km N/A
RTCM 2.1, 2.3, 3.0, 3.1 2.1, 2.2, 2.3, 3.0, 3.1 2.x
CMR CMR, CMR+ CMR, CMR+, CMRx –
Other RTCA GSOF –
NMEA Yes Yes Yes
Cold Start < 50 s < 45 s < 60 s
Warm Start < 35 s < 30 s < 45 s
Reacquisition < 1 s < 2 s < 1 s
Initialization Time < 10 s < 60 s N/A
Initialization Reliability > 99.9 % > 99.9 % N/A
Electronic Level Yes Yes No
Centering Laser Yes Yes No
Compass Yes Yes No