Compaq Armada 7800 6266 T 5000 D M 1 Maintenance And Service Manual page 56

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Solving Infrared Connection Problems
NOTE: The computer is shipped with the infrared port disabled. The port must be
enabled each time the computer is started or restarted. Follow these steps to enable the
infrared port.
1. Click Start
2. Double click the Infrared icon.
3. Select the Options tab.
4. Check the box labeled Enable Infrared Communications to select the Com3 port.
5. Click OK. The infrared icon appears on the task bar.
NOTE: Windows NT does not support infrared communication.
Problem
Cannot link with another
computer.
Data transmission problem
2-30 Troubleshooting
Settings Control Panel.
Table 2-24
Solving Infrared Connection Problems
Cause
Interrupt request (IRQ) conflict Check IRQ assignments for conflicts and
Baud rate conflict
# bits conflict
Stop bit conflict
Parity conflict
Direct sunlight, fluorescent
light, or flashing incandescent
light is close to the infrared
connections.
Interference from other
infrared devices
Physical obstruction
Movement
Orientation
Distance
Recommended Action(s)
reassign as necessary.
Select the same baud rate for both
computers.
Select the same "#bits" setting for both
computers.
Select the same stop byte for both
computers.
Select the same parity setting for both
computers.
Remove the interfering light sources.
Keep remote control units and other infrared
devices away from the infrared connections.
Do not place objects between the two units
that will interfere with a line-of-sight data
transmission.
Do not move either unit during data
transmission.
Adjust devices so that they point within 30
degrees of each other.
Verify that devices are not more than 3 feet
(1 meter) apart.