Rose electronic CrystalView TWISTED PAIR KVM EXTENDER manual Reset, Null mouse command

Reset

This feature allows you to reset the mouse if it ever locks up or is unplugged without having to boot the system. To reset the mouse, perform the commands for your model as shown in Table 4. If the mouse is still erratic after issuing the reset command, issue a Null Mouse command.

MODEL	UNIT	COMMAND
PC/MINI	Remote	Press Scroll Lock
PC/MINI	Local Dual	Press Scroll Lock twice
SUN	Remote	Right Shift + Scroll Lock
SUN	Local Dual	Right Shift + Scroll Lock
PC-Serial/Audio	Remote	Num Pad Up (á) arrow (#8)
PC-Serial/Audio	Local Dual	Num Pad Up (á) arrow (#8)

Table 4. Out-of sync mouse commands

Null mouse command

The “Null mouse” command will recover an out-of-sync mouse without having to boot the system. If the mouse gets out of sync, issue the command as shown in Table 6. Issuing the “Null mouse” command sends a single byte to the PS/2 mouse port.

Model	Unit	Command
PC/MINI	Remote	Hold left and right mouse buttons
		down then press Scroll Lock
PC/MINI	Local Dual	Hold left and right mouse buttons
		down, then press Scroll Lock
SUN	Remote	N/A
SUN	Local Dual	N/A
PC-Serial/Audio	Remote	Num Pad Left arrow (ß) key (#4)
PC-Serial/Audio	Local Dual	Num Pad Left arrow (ß) key (#4)

Table 5. Null mouse command

If the mouse is still not in sync, perform the null mouse command again. You may have to issue this command up to 3 times to get the mouse in sync. This null mouse command is a method of synchronizing the mouse without having to re-boot your system.

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CRYSTALVIEW INSTALLATION AND OPERATIONS MANUAL