Leaf Aptus-II Installation Manual - page 78
Caring for the IR Filter Glass
75
Cleaning the Protective IR Filter Glass
1. Remove any condensation that may be inside the ionized nitrogen
sprayer nozzle.
2. Spray the protective IR filter glass with ionized nitrogen to remove large
dust particles.
3.
Fold a cleaning wipe to fit the width of the protective IR filter glass (see
image sequence). Hold the wipe with tweezers.
Figure 64: Preparing a cleaning wipe for soaking
4. Soak the cleaning wipe in isopropyl alcohol, making sure it is sufficiently
damp but not dripping.
Warning! Do not touch any part of the cleaning wipe that will come in
contact with the protective IR filter glass.
Warning! Do not use a dry cleaning wipe. It can cause ESD damage to the
sensor.
5. Clean the protective IR filter with the cleaning wipe, using a single
motion from right to left.
Figure 65: Cleaning the protective IR filter glass
6. If necessary, repeat the cleaning procedure until the protective IR filter
glass is clean.
1
2
4
3