Troubleshooting
Problem Possible Cause
Solution
Batteries are not inserted
Install 3x AA alkaline batteries Push the Power Button 16 once Replace batteries with fresh alkaline batteries Install batteries observing polarity
Instrument is not powered-ON Low charge or dead batteries Incorrect battery polarity
No Laser Beam Detection
Corroded battery posts
Replace batteries
Corroded battery terminals
Clean terminals
Audio is turned OFF
Push the Audio Button 17
No Audio
Contact ToughBuilt ® Customer Service for additional support.
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