Advantech RMD-1150 user manual Symtoms Possible causes Solutions

Symtoms	Possible causes	Solutions
No OSD screen	-No power to RMD	-Establish power by
	switch.	turning on computers,
	-Loose monitor	wait, press left CTRL
	connection	keys several times.
	-Monitor not multi-sync	-Reconnect monitor.
		-Use multi-sync monitor
Horizontal blinking lines	-Incorrect resolution.	-Adjust to 1024x 768
appears in LCD	-Incorrect V-Frequency	resolution.
		-Adjust to different V-
		Frequency (Hz)
Keyboard error on boot	-Loose keyboard	.Make sure keyboard
	connection	cables areWell seated
RMD switch slave does	.Improper installation	-Make sure slave's
not work	procedures	CONSOLE is connected
		to RMD switch PC 1~
		PC 8 port.
		-Remove any possible
		power supply to the
		slave (unplug all cables),
		before connecting it to
		the RMD-1150F-8
Keyboard strokes	-The computer was in	-Press both SHIFT keys
shifted	shifted state when last
	switched
The?and ? keys do not	-All PCs are off or only	-Turn computers on.
work in Manual Scan	one PC is turned on.	-Press any other key to
	-Scan mode works for	abort Manual Scan
	power-on computers	mode.
	only.Scan type is eye	-Set proper Scan type in
	mark selected but no	OSD and determine
	PC is eye mark	which PCs are eye mark
	selected in OSD.	selected, do it in OSD.
Auto Scan does not	-All PCs are off or only	-Turn on computer
switch PC and RMD	one PC is turned on.	-Set proper Scan Type
switch beeps from time	-Scan mode works for	in OSD and determine
to time	power-on computers	which PCs are eye mark
	only.	selected, do it in OSD.
	-Scan type is eye mark	-Press left CTRL key
	selected but no power-	twice to abort Auto Scan
	up PC is eye mark	mode.
	selected in OSD.

RMD-1150 Series User's Manual 3 1