How to test the HVB-1 - Hardware https://www.geometrics.com/community/geode-hardware/how-to-test-the-hvb-1/ Geometrics Discussion Board en-US Thu, 12 Mar 2026 12:04:54 +0000 wpForo 60 How to test the HVB-1 https://www.geometrics.com/community/geode-hardware/how-to-test-the-hvb-1/#post-1234 Wed, 18 Jun 2025 15:27:44 +0000
  • ________Install 4ea new AA battery.
  • ________Install dummy blasting cap to “CAP” of HVB. Make sure a wire touch the pencil lead. See attached picture.
  • Connect the Bendix trigger connector to the Seismograph.
  • Press “ARM” button (and keep pressing “ARM” button thru all test finished) and observe LED on the “READY”.  It takes around 1-2 second after pressing “ARM”. 
  • _____________”READY” LED on around 1-2 second after pressing “ARM” switch.
  • Make sure wearing safety glasses to protect your eyes for next test.
  • _____________Wear safety glasses.
  • Press “FIRE” button while pressing “ARM” switch.  Observe dummy led cap sparks and “READY” LED off, and trigger the Seismic unit.
  • _____________Dummy led blasting cap sparks
  • ______________”READY” LED off.
  • ______________Trigger the Seismic unit
  • After firing the cap, “READY” LED lit on again within 5 seconds later
  • ______________Within 5 seconds after firing, the “READY” LED on again.
  • Pressing “FIRE” again. You may adjust dummy led blasting cap to see sparks.
  • ______________Fire works again.
  • ______________Trigger works again
  • Continue firing HVB 5 times.
  • ______________It works 5 times.
    • ]]>     Hardware Kolby Pedrie https://www.geometrics.com/community/geode-hardware/how-to-test-the-hvb-1/#post-1234