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strongly recommended against. Please use the device with the Phone
Headset/Remote Control Unit or in speakerphone mode. For instructions
on how to use the device with the Phone Headset/Remote Control Unit or
as a speakerphone, please refer to page 60 of this guide.
Battery Charging
When using the device for the first time, set the Battery Switch to the supply
side (see page 16), then fully charge the battery.
Charging the Battery
You can use two charging methods.
When you connect the AC Adapter to the device, turn the power off.
ᮣ
Connect the supplied AC Adapter to the cradle as shown in the figure
below, and then insert the device into the cradle.
ᮣ
Connect the supplied AC Adapter to the device as shown in the figure
below.
Section 2: Understanding Your Device
22 2A: Your Device - The Basics
Note: Charge the battery in an environment between 41°F - 95°F (5°C
and 35°C). Temperatures outside this range may pause the charging
process. Refer to page 18 for additional information on charging.
Note: When charging the battery for the first time, or immediately after
setting the battery switch to the supply side, fully charge the battery. If
the battery is not fully charged, the remaining battery power will not be
accurately displayed.
Maximizing the Battery Operating Time
ᮣ
Whenever possible, use the device with the AC Adapter – especially when
it is connected to your computer.
ᮣ
Select the short powered-off time in the setting menu. This will shorten
the time the unit will remain on if not used. See “Setting Power” on
page 49 for more information.
ᮣ
Turn off the front light.
ᮣ
Set the screen brightness to power savings mode (front light off) or
shorten the front light turn-off time. See “Setting the Front Light” on
page 48 for more information.
ᮣ
For optimal performance use in an environment between 59°F - 77°F
(15°C and 25°C). Anything outside this temperature range may
decrease the operating time.
Battery Life
The built-in battery has a limited life that will gradually decrease after
repeated charging. Replace the battery when you notice a dramatic
decrease in battery performance. When a replacement is needed, please
request the dealer from whom your device was purchased to assist you.
Battery Charge Level and Stored Data Protection
If the battery charge level becomes extremely low or completely
discharged, stored memory data will be deleted. As soon as the low battery
status icon or the alarm message appears, immediately connect the AC
Adapter to the device so it can charge.
ᮣ
The battery gradually discharges even when not in use. If not used for a
long time, it may completely discharge.
Section 2: Understanding Your Device
2A: Your Device - The Basics 23
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