EXFO FOT-5200 Coarse Spectrum Analyzer - Manual (Page 32)

Maintenance
26 FOT-5200
Cleaning Detector Ports

Use a dustproof cap when not operating to protect from scratches and
contamination.

Plug and connector need to be pulled out carefully as the connector
surface is sensitive.

Remove the battery when not using the unit for a long time.
Cleaning Detector Ports
Regular cleaning of detectors will help maintain measurement accuracy.
To clean detector ports:
1. If the detector is dusty, blow dry with compressed air.
2. Being careful not to touch the soft end of the swab, moisten a cleaning
tip with only one drop of isopropyl alcohol.
3. While applying light pressure, gently rotate the cleaning tip on the
detector window.
4. Repeat step 3 with a dry cleaning tip or blow dry with compressed air.
5. Discard the cleaning tips after one use.
C
AUTION
To prevent damage of equipment surface, do not use abrasives or
chemical cleaners.
C
AUTION
Use lens paper and cleaner to clean the sensor surface clockwise.
I
MPORTANT
Alcohol may leave traces if used abundantly. Do not use bottles that
distribute too much alcohol at a time.