Lindy 39394 User Manual Download Page 21

English Manual 

 

LINDY KVM Extender C5 PRO-300 Installation and Use     

page 21 

 
 
 
 
 
 
 
5.8 The Skew Compensation Adjustment 
 

The twisted pair cabling supported by the Extender C5 set 
(category 5, or higher) consists of four pairs of cables. Three 
of these pairs are used by the modules to convey red, green 
and blue video signals to the remote video monitor. Due to 
the slight difference in twist rate between these three pairs, 
the red, green and blue video signals may not arrive at the 
monitor together. This is visible as separate colour shadows 
on high contrast screen images. This effect is particularly 
apparent when using higher screen resolutions and some 
types of category 6 and STP cables and in such instances, if 
possible, we recommend you use CAT5e UTP cable.  
 

 

 

However, the Extender C5 provides internal skew adjustment that can help to rectify the situation. The skew 
adjustment works by delaying or advancing the timing of any of the red, green or blue colour signals so that they 
are all delivered to the monitor at precisely the same time. For best results a test pattern is provided and this 
should be displayed when using skew adjustment. 
 
 

 
To use skew adjustment 
 

Insert the supplied Installation CD-ROM into the CD 
player of the computer. 
 

Within Windows, use the My Computer option (usually 
available as a desktop icon or within the Start menu) to 
view the contents of the CD-ROM. Double-click the 
Skew entry to display the standard test pattern. If 
necessary maximise the application window so that the 
image fills the screen.  
The screen will show a series of fine red, green and blue 
crosses which should all be in line, vertically and 
horizontally. Skew affects the horizontal placement of 
the colours and using this pattern it is much easier to 
discover which, if any, colours are being adversely 
affected by the twisted pair cable run. 
 

Simultaneously, press the hotkeys (by default, <CTRL> and 
<SHIFT> along with <RETURN>) to enter configuration mode. 
 
The three keyboard indicators (‘Num Lock’, ‘Caps Lock’ and ‘Scroll 
Lock’) will now begin to flash in sequence. 
 
 
 

If the image controls cannot provide a crisp image

If, after adjusting the image controls, the screen image remains fuzzy or has 

coloured shadows you may need to use the Skew adjustment feature.  

Please see the next section for details. 

 

Summary of Contents for 39394

Page 1: ...NDY ELECTRONICS LIMITED LINDY ELEKTRONIK GMBH FIRST EDITION September 2005 KVM Extender C5 PRO 300 User Manual English LINDY No 39394 www lindy com Tested to Comply with FCC Standards For Commercial U...

Page 2: ...es plugged into the wall outlet does not exceed the wall outlet s ampere rating Warranty information LINDY warrants that this product shall be free from defects in workmanship and materials for a peri...

Page 3: ...C5 module 10 3 Connections 11 Connections at the LOCAL module 11 3 1 KVM A multi cable connection 11 3 2 Serial cable connection 12 3 3 Twisted pair connection 12 Connections at the REMOTE module 13...

Page 4: ...Mouse restoration 18 5 7 Video compensation Image controls sharpness and brightness 20 5 8 The Skew Compensation Adjustment 22 5 9 Miscellaneous settings 23 6 Flash upgrade procedure 23 6 1 Getting th...

Page 5: ...e two modules is made via Category 5 or higher twisted pair cabling There is no particular advantage in using higher specification Category 6 cables On the contrary it may even result in unacceptable...

Page 6: ...English Manual LINDY KVM Extender C5 PRO 300 Installation and Use page 6 1 1 Supplied items Power and signal activity indicator Optional Power supply input Power and signal activity indicator...

Page 7: ...on and Use page 7 2 Installation The installation of the Extender C5 set is straightforward and can best be achieved in most cases by following these stages for each module Check or set the configurat...

Page 8: ...e mode This allows any pre configured passwords to be altered particularly useful when they have been lost or forgotten See section 5 5 Password override LOCAL Switch 2 OFF Normal operation ON Set tra...

Page 9: ...OFF positions and this will produce normal operation REMOTE Switches 2 and 3 Switches 2 and 3 determine which two keyboard keys when pressed in unison are to be designated as hotkeys Hotkeys signal to...

Page 10: ...the underside of the module s Rack mount Note The module switches are not accessible once it is inserted into the rack therefore check all settings before insertion 1 Place the rack securing plate av...

Page 11: ...module are made via the supplied multi cable This has a single connection to the module is two metres in length and splits out to the keyboard video mouse microphone and speaker ports of the system 1...

Page 12: ...e 2 Connect the other end of the serial link cable to the appropriate serial port of the computer system 3 3 Twisted pair connection The link between the LOCAL and REMOTE modules is made via twisted p...

Page 13: ...OTE module 3 Insert the keyboard lead into the green mini DIN socket on the REMOTE module 3 5 Twisted pair power and serial connections 1 Insert the connector from the twisted pair cable link into the...

Page 14: ...of this port LOCAL switch 3 OFF microphone LOCAL switch 3 ON stereo line in 1 Connect the microphone or stereo line input plug into the REMOTE module microphone socket Note Ensure that the setting of...

Page 15: ...me shadows to the right of high contrast screen characters This can be caused by an incorrectly selected sharpness setting and it may be necessary to make adjustments to correct this Please see Image...

Page 16: ...ion mode and you can affect the following settings Password setting allows you to lock the remote module to prevent unauthorized system access Mouse restoration and settings allows you to restore mous...

Page 17: ...ashing in sequence to show that the module is ready to receive a new command 2 Press RETURN The three indicators will return to their normal states 5 4 Password setting Password protection allows you...

Page 18: ...owever if this is not possible then you need to hot plug the Extender C5 modules while power is still applied to the system There is not normally a danger of damage to the system however when mouse co...

Page 19: ...a short distance and check for appropriate onscreen cursor movement If the mouse cursor darts erratically around the screen then cease moving the mouse This is an indication that the chosen restore f...

Page 20: ...A WHITE shadow on the right of the character indicates OVER compensation To use the image controls 1 Simultaneously press the hotkeys by default CTRL and SHIFT along with RETURN to enter configuratio...

Page 21: ...best results a test pattern is provided and this should be displayed when using skew adjustment To use skew adjustment 1 Insert the supplied Installation CD ROM into the CD player of the computer 2 W...

Page 22: ...ned 8 When all colours are correctly aligned press RETURN to exit configuration mode and permanently save all settings Note Once you have made a skew adjustment it may be necessary to re adjust the im...

Page 23: ...t Please contact the LINDY Support team in your country by email telephone or contact form from the LINDY website See www LINDY com for all LINDY offices and contact information world wide Decompress...

Page 24: ...e My Computer option copy the downloaded and decompressed files from your computer to the floppy diskette 6 3 Reconfigure the LOCAL connections and begin 1 On the computer from which you will run the...

Page 25: ...connect the mains lead to a nearby wall socket 5 Switch on the computer The upgrade process will start automatically and confirmation will be given on screen 6 Switch off the computer and disconnect...

Page 26: ...keys are pressed or the mouse is moved check that the indicators flicker if they do not then there could be a twisted pair link problem or a problem with one of the modules Check that the Category 5...

Page 27: ...The following related C5 Series items are available LINDY C5 Series Rack mount chassis Part No 39388 This 19 chassis allows multiple C5 Series modules to be neatly arranged within a standard cabinet...

Page 28: ...en the equipment is operated in a commercial environment Operation of this equipment in a residential area may cause interference in which case the user at his own expense will be required to take wha...

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