Sokkia SRX1 Operator's Manual page 67

[RC Cont] Nullifes the current measurement position, continues Turning
operation, then performs Auto Pointing/Auto Tracking
[AT On] Performs Auto Pointing then Auto Tracking
[ROTATE] Automatically rotates the instrument to the specified vertical and
horizontal angles then performs Auto Pointing/Auto Tracking
[TURN] Rotates the SRX 180° then performs Auto Pointing/Auto Tracking
12. MEASUREMENT WITH AUTO TRACKING
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