Operation Zoom20/30/35 Pro | 23
4.2 Working with the Battery
Charging / first-time
use
• 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 temperature 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 recommended 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 signif-
icantly form the actual battery capacity available.
Operation / Discharging • The batteries can be operated from -20°C to +55°C/-4°F to +131°F.
• Low operating temperatures reduce the capacity that can be drawn; high operating temperatures
reduce the service life of the battery.
Change the battery
step-by-step
The polarity of the battery is displayed inside the battery housing.
4.3 Data Storage
Description An internal memory is included in all instruments. The firmware stores all data in jobs in a database in the
internal memory. Data can then be transferred to a computer.
For Zoom30 Pro/Zoom35 Pro instruments, data can also be transferred from the internal memory to a
computer or other device via a Bluetooth connection.
Refer to "12 Data Management" for further information on data management and data transfer.
Open the battery compartment (1) and remove the
battery holder.
Remove the battery from the battery holder (2).
Insert the new battery into the battery holder (3),
ensuring that the contacts are facing outward. The
battery should click into position.
Insert the battery holder back into the battery
compartment (4).
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