• The COMPASS Pro device should be used only by trained and qualified personnel.
  • Always adhere to proper high-voltage electrical safety practices.
  • Extreme humidity may decrease the voltage/current detection range.
  • Before field use, always confirm that the COMPASS Pro device is powered on, connected to a mobile device, and working (as indicated by the center light blinking green every 5 seconds), and test with a known source of voltage/current.
  • Always test and verify that the sensitivity settings on the COMPASS Pro device are appropriate for the workspace environment.
  • Some materials may shield electromagnetic fields from the detection circuits of the COMPASS Pro device.
  • Always verify that a potential voltage source is de-energized before making contact.
  • The COMPASS Pro device should only be used as a secondary voltage detection method

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