4 Operation
4.1 Working with the Battery
•
The battery must be charged prior to using it for the first time because it is delivered with
an energy content as low as possible.
•
The permissible temperature range for charging is between 0°C to +40°C/+32°F to
+104°F. For optimal charging we recommend charging the batteries at a low ambient tem-
perature of +10°C to +20°C/+50°F to +68°F if possible.
•
It is normal for the battery to become warm during charging. Using the chargers recom-
mended by GeoMax, it is not possible to charge the battery if the temperature is too high.
•
For new batteries or batteries that have been stored for a long time (> three months), it is
effectual to make only one charge/discharge cycle.
•
For Li-Ion batteries, a single discharging and charging cycle is sufficient. We recommend
carrying out the process when the battery capacity indicated on the charger or on a
GeoMax product deviates significantly form the actual battery capacity available.
1. Remove the battery holder from the instrument.
2. Remove the battery from the battery holder.
3. Insert the new battery into the battery holder, ensuring that the contacts are facing
outward. The battery should click into position.
4. Insert the battery holder back into the battery compartment.
4.2 Instrument Setup
This topic describes an instrument setup over a marked ground point using the laser plummet. It
is always possible to set up the instrument without the need for a marked ground point.
Important features
•
It is always recommended to shield the instrument from direct sunlight and avoid uneven
temperatures around the instrument.
•
The laser plummet described in this topic is built into the vertical axis of the instrument. It
projects a red spot onto the ground, making it appreciably easier to centre the instrument.
☞
When setting up the tripod
pay attention to ensuring a
horizontal position of the tri-
pod plate. Slight corrections of
inclination can be made with
the foot screws of the tribrach.
Larger corrections must be
done with the tripod legs.
Charging / first-time use
Change the battery step-
by-step
Description
☞
Tripod
24 Operation
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