Compaq M300 manual 15-12Troubleshooting, Solving Infrared Problems

15-12Troubleshooting

Solving Infrared Problems Continued

	Interrupt request	Check IRQ assignments for conflicts,
	(IRQ) conflict.	then reassign if necessary.
		See Appendix C for IRQ port
		information.
	Baud rate, # bits,	Select the same baud rate, # bits, stop
	stop byte, or parity	byte, and parity setting for both
	conflict.	devices.*
	A physical condition	Refer to “Data transmission problem”
	exists that affects	in this table.
	the connection.
System does not	The system cannot	To disable Infrared Monitor search,
initiate Suspend while	initiate Suspend	select Start⊕ Settings⊕Control
infrared port is	while Infrared	Panel⊕ Infrared⊕Options tab, then
enabled.	Monitor search is	remove the check from the Search for
	enabled.	and Provide Status for Devices in
		Range check box.
Data transmission	Direct sunlight,	Remove the interfering
problem.	energy-saving	light source(s).
	fluorescent light, or	Move the infrared ports closer
	flashing
		together.
	incandescent light is
	close to the infrared	Select a slower fixed baud rate for both
	connections.	devices.*
	Interference from	Keep infrared-equipped remote control
	other	units, such as wireless headphones,
	infrared-equipped	pointed away from the infrared
	devices.	connection.
	Dirty infrared lens.	Clean the lens with a lint-free cloth.
	Distance.	Verify that the infrared ports are not
		more than 1.5 feet (0.5 meter) apart.

Continued