Precautions; Battery; Installation; Battery Life - Sony ECM-929LT Operating Instructions Manual

Electret condenser stereo microphone
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PRECAUTIONS
On microphone handling
• The microphone should never be dropped or subjected to
extreme shock.
• Keep the microphone away from extremely high tempera,
tures (above 60 °C or
140°
F).
• If the microphone is placed too near the speakers, a howl-
ing effect (acoustic feedback) may occur. If this happens,
change the direction of the microphone until the howling
stops,
or decrease the speaker volume.
On battery
• The battery polarity is quite different from that of a conven-
tional battery
.
Its button side is the minus
e
pole,
and the
case side is the plus
®
pole.
when you insert the battery into
the battery compartment
,
notice an illustration of the battery
compartment.
• If the microphone is not to be used for a long time, remove
the battery
.
• A mercury battery may become powdercoated (salting
phenomena). The powder will not affect the battery perform-
an
ce,
but it may result in poor contact
.
Remove the powder by
wiping the battery with a soft cloth before use.
• Do not throw the discharged battery into a fire
,
nor short·
circuit the poles as the battery may explode.
• If the microphone is not to be used
,
set the mode switch to
OFF.
4
BATTERY
INSTALLATION
Turn th
e
batt
ery
compartm ent lid
to
the
left
and
open it.
BATTERY LIFE
Insert
a
battery with
correct polarity
and close the lid as it was.
When the mode selector is moved from OFF to STEREO
,
the
battery check lamp will illuminate momentarily. With an ex·
hausted battery, the lamp will illuminate dimly.
The battery can be used for about 180 hours continuously with
t
he Sony battery
EPX675.
Mercury batteries, unlike conventional batteries, are unique in
t
hat the amount of consumption rapidly decreases at the max-
imum consumption point.
To maintain a high level of performance from this
microphone,
a little earlier replacement of the battery is recommended
.
5

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