[. . . ] Before installation, please make sure all peripherals and computers are powered off. [. . . ] Below are the "Hot Key" commands: Scroll Lock Scroll Lock Scroll Lock Scroll Lock Scroll Lock Scroll Lock FEATURES 2/4 port KVM switch is compact size designed for easy transport. Support DOS, Win3. X, Win95/98/ME/2000 WinNT, Netware, Unix, and Linux. Hot Pluggable; add PCs or remove connected PCs without powering down the KVM switch or other online PCs. Buzzer sound confirming port switching action. In Hot key Mode, use "Up-Arrow" to Selected the previous port, "Down Arrow" to select the next port and Press "S" key to set the KVM switch into Auto Scan Mode. Note: If no command is entered in two seconds after entering the Hot Key Mode, the switch will cancel the Hot Key operation. VGA K1 M1 Model No: TK-200 VGA 4 K/B 4 A VG A MOUSE 4 K1 VGA 2 M1 K/B 2 K/B MOUSE POWER MOUSE 2 Previous Channel Next Channel S Auto Scan SYSTEM REQUIREMENTS SPECIFICATION Model no. Console Side Computer Side TK-200 One VGA Monitor One PS/2 keyboard One PS/2 Mouse Two HDB 15pin male to maleVGA cables. Two PS/2 cables male to Male for Mouse. TK-400 One VGA Monitor One PS/2 keyboard One PS/2 Mouse Four HDB 15 pin male to male VGA cables. Four PS/2 cables male to male for Mouse. TROUBLESHOOTING Note: Please ensure all cables are correctly seated in the connection ports. [. . . ] 5. Avoiding moving the mouse or pressing the mouse button when switching from port to port. PACKAGE CONTENTS TK-200 TK-400 2-port KVM switch * 1 + User's Guide * 1 + KVM cables * 2. [. . . ]