Handspring Treo 300 - Manual (Page 230)

Section 8
222 Advanced HotSync® Operations
6. Click OK .
7. Disable any other application that opens the IR port.
Configuring HotSync Manager for infrared communication
Next you need to go to the HotSync Manager and configure it for infrared
communication. In Windows 98 and Me, you need to specify the
simulated port used for infrared communication. In Windows 2000, you
simply need to activate the infrared menu item.
To configure HotSync Manager for infrared communication with
Windows 98 and Me:
1. Click the HotSync Manager icon in the Windows system tray.
2. Make sure Local Serial is checked on the menu.
3. Choose Setup .
4. Click the Local tab.
5. In the Serial Port list, select the simulated port used for infrared
communication. See the previous section for instructions on
identifying the simulated port.