•
Single-slot USB Docking Cradle
•
Four-slot Charge Only Docking Cradle
•
Four-slot Battery Charger.
To charge the main battery:
Connect the charging accessory to the appropriate power source.
1.
Insert the ET1 into a cradle or attach to a cable. The ET1 begins charging. The Battery Charge LED blinks
2.
yellow while charging, then turns solid green when fully charged. See
The 4620 mAh battery fully charges in approximately six hours.
Battery Charge LED Status
Table 1-1
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 2, 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.
Fully charged.
Charging error, e.g.:
•
Temperature is too low or too high.
•
Charging has gone on too long without completion (typically eight hours).
Critical battery level. 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 change spare batteries.
Table 1-1
Indication
Table
1-1.
Getting Started
1 - 3
for charging indications.