User's Manual

128 Connecting to other devices
• Backup and restore
Set the P900 in
Modem mode when using
• P900 as a modem
• Dialup networking wizard
You should disable the USB cable connection in these three
cases. In your PC select Start > Settings > Control Panel > Phone
Monitor Options > COM Ports and disable the COM port to
which the cable is connected.
Sony Ericsson Update Service
Sony Ericsson Update Service (SEUS), is a way for end-users to
update their phone's firmware on their own, using an SEMC
desk stand and any Internet-connected PC (preferably via
broadband).
To update the P900's firmware
1. Connect the desk stand to your PC.
2. Visit the Sony Ericsson customer support Web site.
3. Download and run the SEUS application.
Detailed instructions on how to proceed with the update
sequence are displayed. You can also make a backup of the
P900.
Connection via the Infrared port
When connecting via the infrared port, make sure that both
devices are placed within one meter of each other and that the
infrared ports have a free line of sight between them.
Both your P900 and the device you connect to must have their
infrared ports activated before communication can begin.
To activate the infrared port on the P900
1. Go to
Control panel > Connections > Infrared .
2. Set the P900 to
PC connect or Modem as required.
3. Set the port state to
On or On for 10 minutes.
You can also change the infrared port state with the Flip closed,
using the Connections application.
To activate the infrared port on the PC
1. Right-click in the status area to the right on the taskbar.
2. Select
Properties
3. Select the Infrared checkbox
4. Click Close .
Note Clear the Infrared checkbox when ready.