Topcon AP-L1A - Switching Horizontal Angle Right;Left

4. ANGLE MEASUREMENT
4-3
4.2 Switching Horizontal Angle Right/Left
Make sure the mode is Angle measurement
Operating procedure Operating key Display
V: 90 10 '20"
HR : 120 30' 40"
0SET HSET R/L 1
 Press [F3](R/L) key
The mode Horizontal angle Right (HR)
switches to (HL) mode.
[F3]
V: 90 10 '20"
HR : 239 29' 20"
0SET HSET R/L 1
 Measure as HR mode.
 Every time pressing [F3](R/L) key is pressed, HR/HL mode switches.