Product Manual

15
1. Plug in the power supply. The unit MUST stay plugged in during
the calibration or you may need to restart the process.
2. Ensure the temperature is between +32 °F and +113 °F (0 °C
and +45 °C) while charging.
3. Tap
Start Calibration.
4. During the calibration process, the
Power
key is disabled
temporarily and the backlight is turned up to 100%.
It takes up to 25 hours to complete the calibration. When finished, a
notification will state Calibration is complete. It is recommended to
not use your unit during the calibration process. To stop the
calibration process, tap Start / Settings / System / Power /
Calibration / Stop Calibration.
Possible error messages that can occur during calibration:
Error Message
Solution
Battery is not charging,
aborting
Battery temperature may be out of range. Wait
until battery temperature settles and try again.
Discharge became invalid,
restarting
Calibration will restart itself.
AC power is in an unknown
or uncontrolled state;
aborting
Plug in unit and restart calibration. Try a different
power supply and restart calibration. If it
continues to fail, have the unit serviced.
Notification LEDs
At the top of the Nomad are two LEDs that provide status
information. The LED states are shown in the following tables.
Right LED
Function
Off
On battery power
Solid yellow
Charging on power supply
Solid green
Fully charged on power supply
Blinking yellow
Battery problem during charging (temperature
out of range, defective or missing battery)
Left LED
Function
Off
No notifications & phone off
Blinking yellow
Microsoft notifications
Blinking green – short blink
Phone on - network available
Blinking green – long blink
Phone on - data transfer in progress
NOTE: If the left LED is blinking green, battery power is being consumed due to the
cellular modem being turned on, even when the device is suspended.