ADDERLink Manual

AdderLinkInstallation and UsePage 202. Video compensation / configuration mode (see section 2.8)
This mode is entered by typing the hotkey combination (selected using the option
switches) on the keyboard attached to the XR receiver. Once within video
compensation / configuration mode you can adjust the video compensation and
select other options using the keyboard. The selected options are saved and stored
in the XR unit when you exit compensation / configuration mode.
2.6 Setting the option switches
The...

AdderLinkInstallation and UsePage 21keyboard/mouse port commonly found on the back of laptops. The wiring scheme
used on a few of these Y cables confuses the AdderLink into thinking that it is being
connected to the computers serial port and consequently prevents correct
operation. When option switch 4 is set to the ON position, RS232 mouse detection is
disabled. This enables a computer connected via a Y cable or adapter to be used
with the AdderLink without problems.
XL unit – Switch 5
If this switch is...

AdderLinkInstallation and UsePage 22Figure 6 – AdderLink XR option switches (normal and Gold models) 

AdderLinkInstallation and UsePage 23Figure 7 – AdderLink XL option switches (normal and Gold models) 

AdderLinkInstallation and UsePage 242.8 Setting the video compensation
The AdderLink incorporates fine video compensation amplifiers to maximise the
picture quality for any given length of twisted pair cable. When you first plug in your
AdderLink you will probably notice that the picture appears blurred or distorted or
does not appear at all. The picture quality is maximised by adjusting the video
compensation setting. To do this use the following procedure.
STEP 1
Enter video compensation mode by...

AdderLinkInstallation and UsePage 25You should now see a ‘fuzzy’ video picture on your monitor connected to the XR
receiver unit.
STEP 3
You may now use the following keys to select the required video compensation.
g g
 Selects no video compensation.
{ {
 Increases the video compensation (coarse adjustment).
w w
 Increases the video compensation (fine adjustment).
} }
 Decreases the video compensation (coarse adjustment).
y y
 Decreases the video compensation (fine adjustment).
Various other keys may...

AdderLinkInstallation and UsePage 26The best compensation setting may be set using the following technique.
· Press  { {until you observe white trailing edges on the right hand side of
black text or graphics.
· Press and release y yseveral times until the white trailing edges just disappear.
STEP 4
Press 
f f
  to exit from compensation mode.
The AdderLink saves the selected video compensation setting when you exit from
compensation mode. This setting is retained within the AdderLink even when the
power...

AdderLinkInstallation and UsePage 27Options are then set by pressing a letter key followed by a number key followed by
the RETURN key. For example to select an RS232 baud rate of 1200 use the
following:
Whilst within configuration mode pressB B1 1
f f
The num, caps and scroll lock lights will indicate correct acceptance of the command
as follows:
· In compensation / configuration the num, caps and scroll lock lights will flash in
sequence.
· After pressing the first key of a command sequence the num,...

AdderLinkInstallation and UsePage 28H1 H1
 f f    - Mouse compatible RS232 protocol (default) – overrides all other
      RS232 settings (see section 4.1)
H2 H2
 f f    - RS232 protocol uses hardware handshaking
H3 H3
 f f    - RS232 protocol uses no handshaking (1200 baud max.)
M1 M1
 f f    - AdderLink Gold channels are not switchable by a 3-button mouse
     or IntelliMouse (default) (see section 4.2)
M2 M2
 f f    - AdderLink Gold channels are switchable by a 3-button mouse or 
     IntelliMouse (see...

AdderLinkInstallation and UsePage 292.11 Other useful installation information
PC boot up sequence - When your PCs are powered on they communicate with
any attached keyboards and mice and setup parameters required by the particular
operating system. It is necessary for the AdderLink to be attached and powered on
during this sequence so that it can give the required responses and keep track of all
the modes and settings requested by each of the connected PCs.
Mouse characteristics - do not unplug a PS/2...