The CBT-500 Cable Tester by Hosa Technology diagnoses signal failure in cables terminated with any combination of XLR, Phone, Phono, and speakON® connectors, as well as DIN, Ethernet, and USB Type A to Type B cables. It is also equipped with removable leads to verify continuity of additional connectors and jacks. Operation requires one 9-volt battery (included).
Cable Test:
- Turn knob to position 1
 - Plug one connector into corresponding jack on left side of tester
 - Plug other connector into corresponding jack on right side of tester
 - Turn knob to each position to check wiring of each contact
 
Continuity Test:
- Apply the tip of each lead to the corresponding contacts
 - If continuity exists, the center LED will illuminate and tester will beep
 
Battery Check:
- Turn knob to Battery Check
 - LED will illuminate if the battery is charged