• 4 kinds of easy-to-replace fixtures: support bare fiber, pigtail, jumper, and leather.
• Three commonly used recognition test tones
• Identify the direction of propagation of the fiber source and alert the audible alarm.
• High-precision power test, approximate core power measurement.
• Low insertion loss and error detection.
• Lightweight and portable are easy to learn and use.
• Low battery low voltage reminder.