50 EN MEDUMAT Standard
2
WM 68071 05/2021
4 Preparation and operation
4.3.5 Changing the battery
Requirement The replacement battery is fully charged.
1. Switch off the device (see "4.6 Switching the device off",
page 65).
or
Connect the device to the line power.
2. Take battery out of the battery compartment.
3. Slide the replacement battery into the battery compartment
until it audibly clicks into place.
4. If the device is not switched on: Switch on the device
(see "4.5 Switching the device on", page 64).
The symbol appears on the display.
Result The device is operated with a fully charged battery.
Battery almost empty
The message Battery almost
empty appears in the display.
The device can still be used for
approx. 15 minutes. A timer in
the alarm field counts down the time
until the device switches off.
• Battery is defective.
or
•No battery.
or
• Battery not at suitable
temperature.
Green arrow: Battery is charging.
Status indicator Meaning
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