Rose electronic CrystalView TWISTED PAIR KVM EXTENDER manual

Picture on monitor is black and white, not color.

nThe video cable was not attached to the PC when it was booted. Reboot the PC.

A constant vertical wobble appears down the screen.

nThe CAT-5 cable connecting the Local and Remote Units could be located too close to a strong power source. Reroute the cabling if possible.

nIf interference is from strong signals from a nearby broadcast transmitter, a beat pattern will appear. Change the vertical refresh rate on the monitor slightly, such as from 60Hz to 70Hz.

Microsoft Windows or NT will only boot into low-resolution graphics mode.

nIf your graphics card supports VESA DDC (Display Data Channel), configure the graphics driver by explicitly indicating which make and model of monitor you have rather than by using DDC.

No sound at the Remote Units speakers or headphones.

nAudio cable loose or defective.

nAudio cable in the wrong connector.

nSound card “Line Out” muted.

No sound at the CPUs speakers when using a Microphone on the Remote Unit.

nMicrophone cable in wrong connector.

nSound card “MIC” input muted.

nMicrophone signal not amplified; increase sound card amplification by +20db. Add “MIC” jumper on the Remote Units daughter board to increase signal. Do not add this jumper if the microphone is already a powered microphone.

CRYSTALVIEW INSTALLATION AND OPERATIONS MANUAL 23