Warranty
All AFL’s products are warranted against defective material and workman-
ship for a period of one year from the date of shipment to the original
customer. Any product found to be defective within the warranty period will
be repaired or replaced by AFL.
©2021, AFL, all rights reserved. VFI4-00-1ENG Revision AA 2021-02-05
www.AFLglobal.com | 800.235.3423
Replacing Battery
• Remove the side battery door, then pull out the battery.
• Place the battery in the unit ensuring that the [ + ] and [ – ] poles
correspond with the poles that are printed in the compartment.
• Replace the side battery door.
Note: The VFI4 contains no user serviceable parts. Except for changing
batteries, this instrument must be returned to AFL for repair.
Cleaning Optical Output
Use lint-free optical cleaning wipes such as AFL FiberWipes and optical
quality cleaning uid such as AFL FCC2 connector cleaning uid.