46 EN MEDUMAT Standard
2
WM 68071 05/2021
4 Preparation and operation
4. If necessary:
If operating on the portable unit, mount the portable unit on
a wall mounting with charging interface.
or
Connect the device to the power supply unit using the
charging adapter (WM 28979) and the 100 W line power.
or
Connect the device up to the vehicle's electrical system with
the charging adapter (WM 28979) and 12 V cable.
Result The device is ready for use.
4.3 Using the rechargeable battery
4.3.1 General instructions
• Always operate the device with the rechargeable battery
WM 45045.
• Note the methods of storing the battery and the charging
intervals for prolonged storage (see "12.4 Storing the
battery", page 229).
• The intended service life of the battery is at least 2 years.
Recommendation: Replace the battery after 2 years.
If battery operating time has substantially dropped before
then, replace the battery earlier.
• If you receive a replacement battery, you need to fully charge
it before the first use.
4.3.2 Charging the battery in the device
Requirement • The portable unit is mounted on a wall mounting with charging
interface.
or
• The device is connected to the line power via the power supply
unit.
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