User Manual

12
Retractable stand.
Battery.
Figure 6: Stand and battery compartment cover
2.9. ABBREVIATIONS
Prefixes of International System (SI) units
Prefix Symbol Multiplies by
milli
m 10
-3
kilo
k 10
3
Mega
M 10
6
Giga
G 10
9
Tera
T 10
12
Peta
P 10
15
Exa
E 10
18
2.7. POWER SUPPLY
The battery icon in the top right corner of the screen shows the battery level. The number of bars is proportional to the charge level.
Battery charged.
Low battery.
Mobile bars: battery charging.
A red bar: the condition of the battery is unknown because it has never been fully charged.
The device is connected to mains without the battery.
When the battery level is too low, the following message is displayed:
Press

to confirm the information. If you do not connect the device to mains, it switches itself off one minute after this message.
It is therefore necessary to start charging it as soon as possible.
2.8. THE STAND
A retractable stand on the back of the Qualistar+ can be used to hold the device in a tilted position.