EXFO FTB-1v2 Pro User Manual page 228

Maintenance
Installing or Removing the Power Meter and VFL
Electrostatic discharge (ESD) damage can cause complete or
intermittent equipment failures.
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Use only power meters and VFL designed for your unit and
approved by EXFO.
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Always use an ESD-preventive wrist or ankle strap when
handling the power meter. Ensure that the antistatic strap
makes good skin contact and that the end of its wire is
grounded properly.
Always handle the power meter by the edges of its metal
faceplate (where the detector port is located).
Never touch the circuit board.
Keep any piece of clothing away from the power meter during
the handling.
Never touch any component inside the unit either with tools or
your fingers.
Only place the power meter on antistatic surfaces such as an
antistatic mat, and quickly put power meters that need
recalibration into antistatic bags.
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FTB-1v2 and FTB-1v2 Pro