Accessories
English 43
To prepare the internal battery for long-term storage:
1. Check that the battery charge level is between 50 and 100%. If not, charge the device to at least
50% prior to storage.
2. Remove the power cord from the Astral.
3. Turn off the device.
To recharge the internal battery:
1. Connect the device to mains power.
2. Charging commences as indicated by a flashing battery charging indicator symbol in the Information
bar.
Notes:
• When charging a completely depleted battery, it will normally take up to 30 minutes to increase battery capacity
from 0% to 1%.
• If the device has been stored outside the operating temperature range, an alarm message (Power fault / No
charging) may appear. You can still continue using the device, however, if the alarm persists for more than 2
hours the battery may need replacement.
Connecting to an external DC power source
CAUTION
When using a car auxiliary adapter, start the car before plugging in the device's DC adapter.
• If the external DC power source drops to below 11V, the Astral will switch to internal battery.
• When the device is turned off while connected to the DC adapter, it will continue to draw
power from the external DC power source.
To connect DC power:
1. Connect the DC plug of the external DC power supply unit to the rear of the device.
2. Plug the other end of the power cord into the power outlet.
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