Setting The Backsight Point - Horizon Fitness HTS-580 Series Operation Manual

9.2.4 Setting Backsight Point
The following three methods for the Backsight point can be used:
1）Setting from the coordinate data file stored in the internal memory.
2）Direct key input of coordinate data.
3）Direct key input of azimuth.
Every press of the F4 key will switch the inputting backsight orientation angle and
inputting coordinate data of backsight point directly.
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