Nikon NPL-632 Instruction Manual page 20

1 Introduction
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6 Field Station NPL-632 Instruction Manual
Do not store the NPL-632 instrument in hot or humid locations. In particular,
you must store the battery pack in a dry location at a temperature of less than
30 °C (86 °F). High temperature or excessive humidity can cause mold to grow
on the lenses. It can also cause the electronic assemblies to deteriorate, and so
lead to instrument failure.
Store the battery pack with the battery discharged.
When storing the instrument in areas subject to extremely low temperatures,
leave the carrying case open.
Do not overtighten any of the clamp screws.
When adjusting the vertical tangent screws, upper plate tangent screws, or
leveling screws, stay as close as possible to the center of each screw's range.
The center is indicated by a line on the screw. For final adjustment of tangent
screws, rotate the screw clockwise.
If the tribrach will not be used for an extended period, lock down the tribrach
clamp knob and tighten its safety screw.
Do not use organic solvents (such as ether or paint thinner) to clean the
non-metallic parts of the instrument (such as the keyboard) or the painted or
printed surfaces. Doing so could result in discoloration of the surface, or in
peeling of printed characters. Clean these parts only with a soft cloth or a
tissue, lightly moistened with water or a mild detergent.
To clean the optical lenses, lightly wipe them with a soft cloth or a lens tissue
that is moistened with alcohol.
The reticle plate cover has been correctly mounted.
Do not release it or subject it to excessive force to
make it watertight.
Press the cap that covers the data output/external
power input connector terminal until it clicks into
place. The instrument is not watertight if the cap is
not attached securely, or when the data
output/external power input connector is used.
The carrying case is designed to be watertight, but
you should not leave it exposed to rain for an
extended period. If exposure to rain is unavoidable, make sure that the carrying
case is placed with the Nikon nameplate facing upward.
The BC-80 battery pack contains a Ni-MH battery. When disposing of the
battery pack, follow the laws or rules of your municipal waste system.
The instrument can be damaged by static electricity from the human body
discharged through the data output/external power input connector. Before
handling the instrument, touch any other conductive material once to remove
static electricity.
Reticle plate cover