e-survey ET2A - Hold the Horizontal Angle

SHANGHAI ESURVEY GNSS CO., LTD.
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4.2 Hold the Horizontal Angle
To hold the horizontal angle, do the following:
1. Enter angle measurement after powering on the instrument.
2. Set the required horizontal angle, and press HOLD.
3. Press HOLD to hold the horizontal angle:
4. Aim at the target.
5. Optional: To unlock the horizontal angle, press HOLD again.