Charging The Main Battery; Table 1-2 Battery Charge Led Status - Motorola ET1 User Manual

1.3.3.1 Charging the Main Battery

Before using the ET1 for the first time, charge the main battery until the Battery Charge light emitting diode
(LED) turns solid green (see
ET1, use a cable or a cradle with the appropriate power supply. For information about the accessories available
for the ET1, see
The ET1 is equipped with a memory backup battery that automatically charges from the fully-charged main
battery. When using the ET1 for the first time, the backup battery requires approximately 40 hours to fully charge.
This is also true any time the backup battery is discharged, which occurs when the main battery is removed for
several hours. The backup battery retains random access memory (RAM) data in memory for at least 15 minutes
(at room temperature) when the ET1's main battery is removed, when Battery swap feature is used. When the
ET1 reaches a very low battery state, the combination of main battery and backup battery retains RAM data in
memory for at least 36 hours.
For cable and cradle setup and charging procedures refer to the ET1 Enterprise Tablet Integrator Guide.
• USB/Charge Cable
• Single-slot USB Docking Cradle
• Four-slot Charge Only Docking Cradle.
To charge the main battery:
1. Connect the charging accessory to the appropriate power source. See
2. Insert the ET1 into a cradle or attach to a cable. The ET1 begins charging. The Battery Charge LEDs blink yellow
while charging, then turns solid green when fully charged.
indications.
The battery charges in less than six hours.

Table 1-2 Battery Charge LED Status

Status
Off
Slow Blinking Yellow (3 blinks
every 2 seconds)
Solid Green
Fast Blinking yellow (2
blinks/second)
Flashes Yellow three times when
Power button pressed
Fast blinking Yellow (when Power
button pressed)
MN000022A01 - May 2013
Table 1-2 Battery Charge LED Status
7 Accessories, page 7-1.
Indications
ET1 is not inserted correctly in the cradle. ET1 is not connected to a power
source. Charger or cradle is not powered.
ET1 is charging.
Charging complete.
Charging error, e.g.:
• Temperature is too low or too high.
• Charging has gone on too long without completion (typically eight
Critical battery state. Battery too low to boot device.
Battery over-temperature condition. Device shuts down. Battery will not
charge until temperature returns to normal operating value.
for charge status indications). To charge the
7 Accessories, page 7-1
SeeTable 1-2 Battery Charge LED Status
hours).
1.3.3.1 Charging the Main Battery
for more information.
for charging
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