Inserting And Removing The Receiver's Rechargeable Battery; Inserting A Spare Rechargeable Battery Into The Transmitter's Charging Compartment - Sennheiser RS 4200 Instructions For Use Manual

Inserting and removing the receiver's rechargeable
battery
Insert the battery into the compartment
left. Make sure that the battery is inserted correctly.
To remove the battery, use the finger catch projection to pull
the battery out of the receiver.
Note:
The receiver is delivered with the battery inserted.
Before you use the rechargeable battery for the first time,
charge it until the LED
charging the receiver" on page 12). This can take a
maximum of 3 hours.
Inserting a spare rechargeable battery into the
transmitter's charging compartment
You can charge a spare battery (not included) in the charging
compartment
battery is not required for operating the RS 4200 but offers
extended listening time while the discharged first battery is
being recharged.
Insert the spare battery into the charging compartment
as shown on the left.
If the battery is inserted correctly, the LED
red: The rechargeable battery is being charged.
green: The rechargeable battery is fully charged.
lights up green (see "Storing and
at the side of the transmitter. This spare
as shown on the
lights up
9