POWERMIX 6/3 DIGITAL
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POWERMIX 3/6 DIGITAL
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7. The rechargeable battery (optional)
If your device is equipped with a rechargeable battery enabling 6 hours of operation
independent from external power sources.
Charging the battery
The lectern must be turned off while charging. The rechargeable battery will not be
charged if the lectern is turned on.
Connect the power cord with the source socket. The built-in automatic charging-
device ensures correct charging voltage. You can leave the device plugged,
overcharging is not possible.
Fully charged battery allows for an operation time of about 6 hours.
During charging, the display shows the charging current. If the battery is empty the
current will be around 2500mA. After some time, the current will go down to 100-
300mA depending on ambient temperature and age of the battery.
If the battery is fully charged the display will show “Battery is charged”.
Battery status and discharging protection
The lectern will power down automatically if battery capacity is low in order to protect
the rechargeable battery from damage. A warning message will be displayed a few
minutes beforehand, suggesting to connect the lectern to external power.
Rechargeable Battery Maintenance
The rechargeable battery is sealed and maintenance free. In order to achieve a
long battery lifetime please follow some simple rules:
Charge the battery before the first and after each time the lectern is operated.
You may keep the lectern connected to the power line all year, the automatic
charging device will prevent overcharging.
Do not store the lectern with an uncharged battery!
Avoid temperatures below +5°C when storing the lectern!
The battery status indicator is located at the lower right of the display. 4
marks indicate full capacity. 3, 2 and 1 marks indicate that 75, 50 and 25%
capacity remains.
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