AEG MRC 4140 I Mode D'emploi page 91

If no backup battery is inserted, time and station settings will be
deleted during a power failure or when disconnecting from mains
power supply.
CAUTION:
• Only use the supplied power adaptor for this device. Do not
use for other devices
• Only use power adaptor with 5 V (
may cause damage to the device.
NOTE:
Disconnect from mains power supply during longer periods of
non-use.
Battery Operation
You also have the option of operating the unit with 3 Type R6 "AA"
batteries. (Batteries not included in delivery scope.)
1. Open the battery compartment at the bottom.
2. Insert 3 R6 "AA" batteries 1.5 V. Mind the correct polarity
(indicated on the bottom of the battery case)!
3. Close the battery case.
WARNING:
Do not expose the batteries to intense heat, such as sunlight,
fire or similar. Danger of explosion!
CAUTION
• Batteries can leak battery acid. When not using the device
for a longer period of time, remove the batteries.
• Different battery types or new and used batteries may not
be used together.
• Batteries must not be disposed of in the garbage. Please
bring used batteries to competent collection centers or back
to the dealer.
English
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), other adaptors