Cleaning windows without maintenance connection - FD70

FD70 Configuration and Maintenance Guide
Product status
Document code
M212222EN
Revision
J
ft:locale
en-US
Product
FD70
Document type
User guide
  • Soft, lint-free cloths (2 pcs)
  • 50 % isopropyl alcohol
WARNING When the TX optical power alarm is on, disconnect power before performing any maintenance operations on the transmitter.
During window cleaning, measurement data is invalid.
During window cleaning, keep the interface unit door closed.
  1. Using low pressure, spray 50 % isopropyl alcohol on the window. Spray enough solution to dissolve and loosen any dirt.
  2. Wipe the glass window with a soft lint-free cloth and 50 % isopropyl alcohol.
    CAUTION Do not use pressure washers.
    CAUTION Be careful not to scratch the window surfaces or touch the measurement unit windows with bare hands.
  3. Take a new, clean cloth and wipe the window until it is clean.
  4. Wait until the window is dry.