Nedo 460 812-613, Operating Instructions Manual

Page: 15 / 74

Theodolite ET-5 Operating Instructions 15
1 General Information EN
1.1 For your safety
Documentation
Please familiarise yourself with these operating instructions and the safety
information it contains before starting to work with the
ET-5 . Observing these
instructions and information ensures safe working.
Danger
Never turn the telescope of the ET-5 directly into the sun, as this may harm the
eyes.
1.2 Proper use
Use
The ET-5 is an electronic instrument for measuring angles. It is used to measure
angles between horizontal directions and the zenith or vertical angle.
Repair
Repairs are to be carried out by Nedo or an authorised customer service agent only.
Never open the unit yourself; doing so cancels the warranty.
Careful handling/important operating information
The ET-5 is a high-precision instrument and therefore requires careful handling.

Avoid shock and severe jarring.

Strong variations in temperature will lead to the lens steaming up. Therefore, the
instrument must be acclimatised prior to use.

Do not expose the instrument to direct sunlight for long periods.

Remove the batteries if the batteries are not used for a long time.

After use, ensure the ET-5 is dry and store in the case.

Check the levels for sudden change at regular intervals and adjust them if
necessary.
1.3 Environment
Disposal
Dispose of the unit in accordance with the applicable materials recycling regulations.
Batteries/rechargeable batteries
Batteries/rechargeable batteries are hazardous waste and may not be put into
domestic waste. They must be properly disposed of according to the respective
national guidelines.