NARDA NBM-550, Operating Manual

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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.