Cleaning FLS 101 Optical Ports
1.Rotate the adapter base counterclockwise approximately four times.
2.Pull the adapter directly out and away from the adapter mount.
3.Dampen an optical wipe with alcohol and gently wipe the exposed ferrule. 
NOTE: Be certain to use 99% IPA that has not been contaminated.
4.Dry the ferrule using a new optical wipe.
5.Using a can of filtered compressed air (held vertically), blow out any remaining contaminants from the adapter.
6.Replace the adapter making sure the alignment pin on the adapter aligns with the mating hole on the base.
Repair and Calibration
Repair of the test equipment in the field is not recommended.
Calibration of the test equipment is recommended every 12 months.
Contact your Extron representative for calibration or repair of the test equipment.
Battery Replacement
1.Remove the protective rubber boot from the instrument.
2.Remove the battery compartment cover located on the back of the instrument.
3.Remove the discharged batteries.
4.Observe the proper polarity and place new batteries in the compartment.
5.Replace the battery compartment cover and rubber boot.
Fiber Optic Test Meters • Maintenance 18