Motorola ET1 User's Guide download pdf (Page 22)

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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. See Table 1-2 for charging indications.

The 4620 mAh battery charges in less than six hours.

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 Table 1-2.

Charging Spare Batteries

See Chapter 9, Accessories for information on using accessories to charge spare batteries.

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.

Table 1-2

Battery Charge LED Status

Status Indication

Off 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.

Slow Blinking Yellow

(3 blinks every 2 seconds)

ET1 is charging.

Solid Green Charging complete.

Fast Blinking Yellow

(3 blinks/second)

Charging error, e.g.:

•

Temperature is too low or too high.

•

Charging has gone on too long without completion (typically eight hours).

Flashes Yellow three times

when Power button

pressed

Critical battery state. Battery too low to boot device.

Fast blinking Yellow (when

Power button pressed)

Battery over-temperature condition. Device shuts down. Battery

will not charge until temperature returns to normal operating value.

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Motorola ET1 User's Guide Page 22