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1 NOMENCLATURE AND FUNCTIONS
1.5 Serial signal RS-232C connector
The serial signal connector is used for connecting the GPT-2000 series with a computer or TOPCON
Data Collector, which enables the computer to receive measured data from the GPT-2000 series or to
send preset data of horizontal angle, etc. to it.
●The following data will be output at each mode.
●The display and the output at the coarse mode are the same as the contents above.
●Output at the tracking mode is displayed as distance data only.
The details necessary for the connection with the GPT-2000 Series are obtained from its Interface
Manual which is optionally available. Please refer to the manual.
Mode Output
Angle mode ( V,HR or HL) ( V in percent) V,HR (or HL)
Horizontal distance mode (HR, HD, VD) V,HR, HD, VD
Slope distance mode (V, HR,SD) V,HR, SD,HD
Coordinate mode

N, E, Z, HR (or V,H,SD,N,E,Z)