Data Acquisition
CHCNAV ALPHAAIR-450 USER MANUAL | 2021-10 P a g e | 16
▪ Start project: After successfully initializing the device, short press the device’s “ON/OFF
key”, the indicator status changed from normal on to sharp-flash, POS data collecting start.
After standing still for 10 seconds, the device automatically enters the acquisition state,
at this time, both the laser and the camera start to work ,the LED indicator changes from
sharp-Flash to slow- flash.
▪ Stop project: When the collection is over, short press the device’s “ON/OFF key”, the laser
and camera will stop working, the LED indicator changes from slow- flash to sharp-flash.
Long press the “ON/OFF key” after standing still for 10 seconds, the device will stop the
project, the LED indicator normal on.
▪ LiDAR Power Off : Long press ON/OFF Key to turn off.
Description of LED indicator
LED quick-flash——LED on 0.1s, off 0.1s, on 0.1s, off 0.1s, on 0.1s, off 0.1s…
LED sharp-flash——LED on 0.1s, off 0.1s, on 0.1s, off 1.3s, on 0.1s, off 0.1s, on 0.1s, off 1.3s…
LED slow-flash——LED on 1s, off 1s, on 1s, off 1s, on 1s, off 1s…
Short press——More than 0.2s but less than 3s.
Long press——More than 3s (When the button is pressed, the buzzer rings. After 3s, the
buzzer rings three times at a frequency of 5 HZ after that, the buzzer does not ring).
Long press——More than 10s (After 10 seconds, the buzzer rings and the green light blinks
slowly).
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