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2. BUTTON FUNCTIONS
Power Button
Short press to power on the unit.
Press and hold to power off.
Bluetooth Switch Button
(Only works with NRL900HT-R/G Rotary Lasers)
Short press to enable or disable the Bluetooth feature.
Sensitivity Selecting Button
Short press to swith the sensitivity between low sensitivity and
high sensitivity.
Volume Level Selecting Button
Short press to swith the volume within muted, low volume and
high volume.
