2 Safety instructions
10 NBM-550 Narda
2.5 Dangers when handling rechargeable
batteries
When handled improperly, rechargeable batteries can
overheat, explode, or ignite.
Only use the NBM-550 with NiMH rechargeable
batteries (AA, Mignon).
Do not use dry batteries.
Do not replace individual batteries; always replace the
entire set.
Always use identical batteries.
Never touch both poles of the batteries simultaneously
with a metal object.
Make sure you insert the batteries correctly as shown on
the base of the battery compartment.
Always close the battery compartment immediately after
replacing batteries.
Never use the NBM-550 with the battery compartment
open.
2.6 Dangers from AC Adapter / Charger
You could experience electric shock from the AC
adapter/charger.
Do not use the instrument when the casing is damaged
because parts carrying dangerous voltages could be
exposed.
Do not use an AC adapter/charger that has been moved
from a cold to a warm room, thereby forming
condensation.
Only use the AC adapter/charger indoors and at
temperatures between 0 °C and +40 °C.
The AC adapter/charger could be destroyed if the
voltage specification on the AC adapter/charger does
not match the AC line voltage.
Only use the AC adapter/charger if the voltage
specification on the AC adapter/charger matches the AC
line voltage.
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