Checking the waves

Staff Sgt. Bob Barbish, a 911th Airlift Wing avionics technician, explains to Airman Tyler Schrecengost, a 911th AW avionics journeyman, how the oscilloscope operates in the instrument and flight control system room of the 911th AW’s Avionics Flight building, July 18, 2012. General-purpose oscilloscope instruments are used for maintaining electronic equipment and laboratory work. Barbish also demonstrates how the oscilloscope can be utilized to check the varying signal voltages inside the IFSC room which enables them to rapidly check for instruments and devices operating properly. (U.S. Air Force photo by Senior Airman Justyne Obeldobel/Released)

PHOTO BY: Senior Airman Justyne ObeldobelReleased
VIRIN: 120718-F-LR440-038.JPG
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