1. Press F5 to shift Mode B from Mode A, and press F5 again to return to Mode A
2. Press F1 to shift display type of angle and distance
3. Press F2 to switch vertical angel unit, to manually enter horizontal angle, and to switch the direction of horizontal angle rotation.
4. Press F3 twice to lock the horizontal value, and press F3 again to release.
5. Press F4 to correct prism constant, sheet constant, PPM.
1. Press F5 to shift Mode B from Mode A, and press F5 again to return to Mode A2. Press F1 to shift display type of angle and distance3. Press F2 to switch vertical angel unit, to manually enter horizontal angle, and to switch the direction of horizontal angle rotation.4. Press F3 twice to lock the horizontal value, and press F3 again to release.5. Press F4 to correct prism constant, sheet constant, PPM.
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