AFL VFI4 User Manual

VFI4 Visual Fault Identier
The VFI4 is a visible red laser source designed to troubleshoot faults on ber
optic cables.
Warning! The VFI4 is a registered
FDA Class IIIa/IEC Class 3R Laser Product.
Never look directly into optical output!
Inspecting Cables
Note: Clean connectors on cables before connecting them to VFI4!
• Attach the inspected cable to the 2.5 mm (or 1.25 mm) Universal adapter
installed on the VFI4 optical port.
• When the VFI4 is Off to turn it On in either mode:
– 2 Hz mode: Press and hold the On/Off button for 1.5 seconds
– CW mode: Press and hold the On/Off button for 3 seconds
• Green LED will illuminate to indicate that VFI4 is on.
• Observe the inspected cable for faults.
• Press the On/Off button to turn the VFI4 off.

AFL VFI4 Specifications

General

Brand	AFL
Model	VFI4
Category	Test Equipment
Language	English

Summary

VFI4 Visual Fault Identifier Operation

Inspecting Cables

Procedure for inspecting fiber optic cables, including adapter connection and device power modes.

Device Maintenance and Support

Replacing Battery

Instructions for safely replacing the battery in the VFI4 unit.

Cleaning Optical Output

Recommended method for cleaning the VFI4's optical port using specific cleaning supplies.

Warranty Information

Details on the product warranty, coverage period, and repair/replacement policy.