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16
Tapping the Power Key
About Lithium-Ion Batteries
Li-Ion batteries (like all batteries) gradually lose their capacity over time (in a linear fashion) and
never just stop working. This is important to remember – the MX8 is always ‘on’ even when in the
| Settings | Control Panel
Suspend state and draws power from the batteries at all times. Tap the
| Power tab to check the battery status and power reading.
The following chart is an approximation. Actual battery capacity varies based on usage, ambient
temperature and peripherals drawing power from the MX8:
100% capacity
80% capacity
2800 mAh minimum
2280 mAh minimum
Deciding when to put a fully charged main battery pack in the MX8 is difficult to quantify because
it is very application specific. 2000 mAh may be the cutoff for one customer who uses the mobile
device frequently, while 1500 mAh may be perfectly fine for a customer who occasionally uses
the mobile device. You need to determine the point at which battery life becomes unacceptable for
your business practices and replace the main battery pack before that point.
Tapping the Power Key
Note:
Refer to the section titled Power Modes in the “MX8 Reference Guide” for information
relating to the power states of the MX8.
Important:
Until the main battery and backup battery are completely depleted, the
MX8 is always drawing power from the batteries (On).
The Power key is located at the bottom of the keypad. When a battery is inserted in the MX8 for
the first time press the Power key.
Tapping the Power key places the MX8 immediately in Suspend mode.
Tapping the Power key again immediately returns the MX8 from Suspend.
or
Tap
| Suspend.
Power
Key
Power Key Location
Figure 13 Power Key Location
See Also: LED Indicators and System Status LED later in this guide.
See Also: Reboot Sequence in MX8 Hand Held Computer for reboot options and instruction.
MX8 User’s Guide
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