Chapter 1 ________________________________________________________ General Information
VAISALA_______________________________________________________________________ 13
WARNING
Never look directly into the Ceilometer Transmitter or Ceilometer Optics
with magnifying optics (such as glasses, binoculars, and telescopes).
Never remove the Ceilometer Transmitter from its normal position
without first switching off both the line and the battery power and
detaching the transmitter ribbon cable from the Ceilometer Engine
Board.
When operating, avoid looking at the ceilometer unit from the beam
direction. When tilting the unit, make sure that it is not being viewed
from the beam direction with magnifying optics.
Only trained personnel should perform maintenance functions. Access to
the work area by unauthorized persons during service operations must be
prevented.
ESD Protection
CAUTION
The equipment contains parts and assemblies sensitive to damage by
Electrostatic Discharge (ESD). Use ESD precautionary procedures when
touching, removing or inserting any objects inside the equipment
housing.
Electrostatic Discharge (ESD) can cause immediate or latent damage to
electronic circuits. Vaisala products are adequately protected against
ESD for their intended use. However, it is possible to damage the product
by delivering electrostatic discharges when touching, removing, or
inserting any objects inside the equipment housing.
To make sure you are not delivering high static voltages yourself:
- Handle ESD sensitive components on a properly grounded and
protected ESD workbench. When this is not possible, ground yourself
to the equipment chassis before touching the boards. Ground yourself
with a wrist strap and a resistive connection cord. When neither of the
above is possible, touch a conductive part of the equipment chassis
with your other hand before touching the boards.
- Always hold the boards by the edges and avoid touching the
component contacts.
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