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Caution 1: Damage will occur to the Tuning Wrench or the connector barrel/ferrule if the Tuning
Wrench is rotated without the wrench being bottomed against the connector housing.
Caution 2: Damage may occur to a jumper connector if the barrel/ferrule is rotated more than
180 degrees (three flats) in either the clockwise or counterclockwise direction.
9.1.3 Singlemode Offset Tuning
Jumper
The Singlemode Offset Tuning Jumper is used to make the connection between the insertion
loss test set and the test port in the adjustable section of the Tuning Index Tool. The jumper
consists of one beige LC tuning connector and one blue standard singlemode connector
mounted on approximately 10 feet (3 m) of yellow cordage. The beige connector with the black
trigger is the offset tuning end of the jumper.
9.1.4 Hard Case with Foam Insert
The hard case provides a safe and convenient way to transport the LC Tuning Kit. It is made of
high impact plastic with a foam insert.
9.1.5 Instruction Card
The instruction card provides an abbreviated procedure for tuning LC singlemode connectors.
9.2 Safety Information
•
Safety glasses should be worn at all times while working with LC connectors.
•
Optical fibers may emit radiation if the far end is connected with a working laser or light-
emitting diode (LED). Never view the fiber end of a cable or plug with an optical instrument
until it is verified that the fiber is disconnected from any laser or LED source.
Plastic
hexagon
handle
Steel
shaft
Tuning
Wrench
Partial view of
Jumper or BTW
connector being
tuned
Key
Keyway
Handle
flats
