User's Manual

Introduction
16
Viewing Battery Power
1. Tap Start > Settings > Power.
The main and backup battery life displays.
2. Tap OK to save and exit.
Optimizing Battery Power
To get the most out of the life of your battery, set the H-21 to shut down
after the system becomes idle for a specific amount of time.
1. Tap Start > Settings > Power > Advanced.
2. Select the amount of idle time before the device shuts down.
3. Tap OK to save and exit.
Charging the Battery
To charge the battery, do one of the following options:
• Connect one end of the USB adapter to the device and plug the opposite
end into a wall outlet.
• Connect the device to a PC using the supplied USB cable.
Mini-SD Cards
The H-21 contains a micro-SD card slot for expanding the device’s
memory.
Inserting a Mini-SD Card
CAUTION! Inserting the micro-SD card in the wrong direction can
cause damage to the card and the device.
1. Lift the micro-SD card slot cover. See “H-21 Views and Descriptions” on
page 3.
2. Insert the micro-SD card with the logo side down.
3. Push down until the card clicks into place.
Removing a Mini-SD Card
1. Press the micro-SD card inward to eject the card.
2. Remove the micro-SD card from the card slot.
Connecting a Headset
1. Locate the headphones port on the bottom of the phone. See “Top and
Bottom View” on page 6.
2. Peel back the rubber door.
3. Insert the provided headphones into the headphones port.
Connecting a Wrist Strap