Charging Temperature; Charging Spare Batteries; Powering On The Et1 - Motorola ET1 User Manual

1 - 6 ET1 Enterprise Tablet User Guide
Insert the ET1 into a cradle or attach to a cable. The ET1 begins charging. The Battery Charge LEDs blink
2.
yellow while charging, then turns solid green when fully charged. See
The 4620 mAh battery charges in less than six hours.
Battery Charge LED Status
Table 1-2
Status
Off
Slow Blinking Yellow
(3 blinks every 2 seconds)
Solid Green
Fast Blinking Yellow
(3 blinks/second)
Flashes Yellow three times
when Power button
pressed
Fast blinking Yellow (when
Power button pressed)

Charging Temperature

Charge batteries in temperatures from 0°C to 40°C (32°F to 104°F). Note that charging is intelligently
controlled by the ET1. To accomplish this, for small periods of time, the ET1 or accessory alternately enables
and disables battery charging to keep the battery at acceptable temperatures. The ET1 or accessory indicates
when charging is disabled due to abnormal temperatures via its LED. See

Charging Spare Batteries

See Chapter 9, Accessories

Powering On the ET1

Press the Power button until the Battery Charge LED flashes three times. The splash screen displays for about
a minute as the ET1 initializes its flash file system. Note that these windows also appear upon reset.
ET1 is not charging.
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 hours).
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 information on using accessories to charge spare batteries.
Table 1-2 for charging indications.
Indication
Table 1-2.