Rose Electronics UltraMatrix Remote 2 - Manual (Page 47)

ULTRAMATRIX REMOTE 2 INSTALLATION AND OPERATIONS MANUAL 41
Can’t switch computers from keyboard
 Power to the UltraMatrix Remote 2 was removed for less than three seconds possibly causing keyboard to
lock up. Disconnect and re-connect the keyboard.
 If PS/2 type keyboard and mouse cables may be reversed.
 Not using left control key. Using numeric keypad instead of keys on top row. Not releasing control key before
typing in number. Waiting more than 2 seconds to enter computer number. Using caps lock or shift key.
Wrong or missing characters from those typed
 For PCs, the mode of the keyboard does not match that of the computer. Issue the mode command, usually 1
for IBM PS/2s, 3 for Unix computers, and 2 for all others. The default setting is mode 2. Sometimes an
incorrect mode will confuse the computer or keyboard and require re-booting the computer or resetting the
keyboard by unplugging and plugging it back in.
Switch to Switch failure
 Verify the firmware in all like switches is the same revision.
Mouse does not move
 Mouse not configured.
 UltraMatrix Remote 2 turned off after or not connected when computer
booted or application using mouse run. Exit and re-enter application using mouse or issue reset command.
 PS/2 mouse was not connected when UltraMatrix Remote 2 powered up or disconnected and reconnected.
Issue the reset command or reconfigure the mouse.
PS/2 mouse gets out of sync
 Cabling was disturbed during mouse movement. Issue the null command once or twice to re-sync the mouse.
Update mouse driver. Try using ctrl O command to recover if O/S is NT.
 Sun keyboard needs to be reset, with unit power on, disconnect and re-connect the sun keyboard.
Video fuzzy
 Cable too long or wrong type. Verify that resolution and distance match. See Appendix G. Upgrade cable if
necessary.
Video not synchronized or wrong color
 Cable is loose, reseat cable.
 Monitor not capable of syncing to video selected, upgrade monitor.
 Cable is defective; try using cable from another computer if problem goes away cable is defective.
 Port on UltraMatrix Remote 2 is defective; try using another port on UltraMatrix Remote 2. If problem goes
away port is defective.
Lower resolution OK, but can’t enter high resolution mode
 Video driver has not been setup for this resolution. Configure the driver.
Slave unit does not switch
 Maximum ports command not issued.
 Width or units command not configured properly. Reconfigure them to match number of computers and how
they are connected.
On-screen display not synchronized
 No video from computer or resolution setting not configured correctly.