Compaq Armada 7400 Reference Manual page 140

Cannot transmit
data
Infrared port
doesn't work.
Continued
Direct sunlight,
fluorescent light, or
flashing incandescent
light is close to the
infrared connections.
There is interference
from other wireless
devices.
There is a physical
obstruction in the
way.
One of the units was
moved during data
transmission.
The orientation of the
units is wrong.
The distance between
the units is too great.
Direct sunlight,
fluorescent light, or
flashing incandescent
light is close to the
infrared connections.
There is interference
from other wireless
devices.
Remove the interfering light
source(s).
Keep remote control units
such as wireless headphones
and other audio devices away
from the infrared connections.
Do not place objects that will
interfere with a line-of-sight
data transmission between
the two units.
Do not move either unit
during data transmission.
Adjust the devices so that
they point directly at each
other.
Verify that devices are not
more than 1.5 feet (0.5 meter)
apart.
Remove the interfering light
source(s).
Keep remote control units
such as wireless headphones
and other audio devices away
from the infrared connections.
Troubleshooting