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Using the Set 840 S system
Charging a rechargeable battery in the
transmitter’s charging compartment
You can charge the receiver’s rechargeable battery or a
spare BA 300 rechargeable battery (not included in the
delivery of the Set 840 S) in the charging compartment 9
at the side of the transmitter.
The spare battery offers extended listening time while the
discharged first battery is being recharged.
Removing and charging the receiver’s battery
To remove the receiver’s battery:
When the battery is inserted correctly, the indicator 0
lights up:
Before using the spare rechargeable battery for the
first time, charge it for at least 3 hours.
̈ Pull the battery out of the
receiver’s battery compart-
ment 7.
̈ Insert the receiver’s battery
into the charging compart-
ment 9 at the side of the
transmitter as shown.
red: The battery is being charged.
The charging time is approx. 3 hours.
green: The battery is fully charged.
̈ Insert the battery into the
receiver as shown.
̈ Slide the battery into the
battery compartment 7 as
far as it will go.
7
9
0
7