• Theft protection: an alarm is triggered if the GRL 500 H/HV is moved without the LR 50 Professional during operation.
• Simultaneous charging: the Li-Ion batteries in both components are charged together in very little time.
• Calibration reminder: automatically indicates possible calibration requirement.
• Relative height display: distance between where the laser beam hits the reception area and the centre of the receiver.
• Slope function: enter slope values directly and precisely using the LR 50 Professional keypad.
• Anti-Drift System: prevents levelling errors in the event of shocks or vibrations.
• Sleep mode: longer operating time while retaining the settings
• Centre Line button: automatically aligns the laser beam with the centre of the receiver and measures the slope value.