USER'S GUIDE____________________________________________________________________
10 __________________________________________________________________ M210482EN-D
WARNING
To minimize shock hazard, the instrument chassis and cabinet must be
connected to an electrical ground. The instrument is equipped with a
three-conductor AC power connector. The power cable must either be
plugged into an approved three-contact electrical outlet or the instrument
must be carefully grounded to a low-resistance safety ground.
WARNING
Do not operate the instrument in the presence of flammable gases or
fumes. Operation of any electrical instrument in such an environment
constitutes a definite safety hazard.
WARNING
Do not attempt internal service or adjustment unless another person,
capable of rendering first aid and resuscitation, is present.
WARNING
Because of the danger of introducing additional hazards, do not install
substitute parts or perform any unauthorized modification to the
instrument. Return the instrument to a Vaisala office or authorized Depot
for service and repair to ensure that safety features are maintained.
WARNING
Operating personnel must not remove instrument covers. Component
replacement and internal adjustments must be made by qualified
maintenance personnel. Do not replace components with the power cable
connected. Under certain conditions, dangerous voltages may exist even
with the power cable removed. To avoid injuries, always disconnect
power and discharge circuits before touching them.
WARNING
High voltage will be present when the Laser Transmitter CLT321 or
Receiver CLR321 covers are removed and they are connected to a
powered unit. High voltage is present in AC Power Unit CLP311,
Internal Heater CLH311, Ceilometer Engine Board CLE321, and the
Window Blower CLB311 at the top of the Shield.
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