Putting the Set 860 into operation
Set 860 | 17
Displaying the remaining operating time of the
rechargeable battery
When you switch the stethoset receiver on, the
Battery
LED
displays the remaining operating time/charge status.
To indicate that the operating time is decreasing, each LED
segment slowly dims before it goes off completely.
If the actual operating time differs widely from the specified
values, the rechargeable battery is probably exhausted and
should be replaced. Information on the rechargeable battery
can be found on page
31.
Using the charging reminder function
When the stethoset receiver is switched off and the transmit-
ter automatically switches off (standby mode), the
Battery
LED will flash back and forth for 10 minutes to remind you
to charge the stethoset receiver.
b Charge the stethoset receiver by placing it into the trans-
mitter’s charging compartment (see page 15).
The LED stops flashing and the charging process starts.
Battery LED Meaning
Battery
LED
flashes slowly
Rechargeable bat-
tery is empty;
recharge the
rechargeable battery
1
st
LED seg-
ment lit
approx. 6 hours of
operating time
1
st
+ 2
nd
LED
segment lit
approx. 12 hours of
operating time
All LED seg-
ments lit
approx. 18 hours of
operating time
The display of the remaining operating time can be set so
that it automatically switches off after 30 seconds (see
page 36).
If more than one stethoset receiver is connected to the
transmitter, the remaining operating time/charge status
cannot be displayed.
You can also switch off the charging reminder function
(see page 36).
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