Prism Const: Entry of a user specific prism constant can only be made if the prism type is in “User Define” mode.
Limit value: -999.9 mm to +999.9 mm.
Laser-Point: it is possible to set the same laser pointer as in the Star settings (see 5.1. Basic settings).
Guide Light: the person can be guided by the flashing lights directly to the line of sight. The light points are visible
up to a distance of 150 meters. This is useful when staking out points.
[ATMOS]: in the EDM setting menu press F1 to enter the atmospheric data (PPM). Distance measuring is influenced
directly by the atmospheric conditions of the air; in order to take into consideration these influences, distance
measuring is corrected using atmospheric correction parameters.
Ht. a. MSL: height above sea level at instrument location;
Temperature: air temperature at instrument location;
Pressure: air pressure at instrument location;
Atmos PPM: calculated and indicated atmospheric PPM (see Appendix I: Atmospheric correction formula
and chart);
Refract: refraction coefficient for the atmospheric conditions. The refraction correction is taken into account
in the calculation of the height differences and the horizontal distance (see Appendix II: Correction for
refraction and earth curvature);
Humidity: atmospheric humidity at instrument location.
[TIMES]: in the EDM setting menu press F2 to input the distance measuring times.
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