manual

1
Introduction to SD3900i
This introduction explains how to use the keys and controls, power sources
and basic operations of the device for the first time. We hope it would be
helpful for you to use this device.
Precautions
Data Backup
All your personal data should be copied into separate permanent printed
records. We assume no responsibility for data loss caused by improper use,
device reset, repairs, defects, batteries replacement, or failures or any other
causes.
Display Screen
z To clean the screen, rub it lightly with dry, clean and soft cloth. Do not use
volatile liquid.
z The screen may crack if the device falls on the ground.
SD Card
z Insert the Secure Digital Card (SD Card) into the card slot. Turn the device
off before removing/ inserting the card. Otherwise, the memory of the
device may be lost and the card may be damaged.
z Do not remove the batteries, turn the power off or insert/ remove the SD
card during data saving to avoid abnormality of the device.
Batteries & Earphone
z Keep the batteries far from fire. Otherwise, there will be a risk of explosion.
Do not connect the two terminals of the batteries together to avoid short
circuit.
z To prevent your hearing from being damaged, adjust the volume to a
suitable degree. Do not use the earphone continuously with high volume.