Siemens Nitro 300 SP, User Manual

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8
Turning your hearing instrument
on and off
Checking the hearing instrument's performance
The LED shows whether the hearing instru-
ments work properly.
The LED shines continuously.
ƒ
The hearing instruments are switched on
and sufficient battery power is available.
The LED is off.
ƒ
The hearing instruments are switched off
or the battery must be replaced.
To check if sufficient battery power is available use
X
a battery tester or place the switched-on hearing
instruments in your closed hand and listen if it re-
sponds with feedback whistling.
Check the instrument sound regularly with a stetho-
X
clip, particularly if your child is not able to express
verbally if something is wrong with the hearing
instruments.
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