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Considerations for usage of remote pointer
When using the remote pointer the following should be considered
Item
Reason
Usage of shortcut keys
Some keyboard combinations are captured internally by the operating system of the master PC. Such combi-
nations are e.g. for Windows Alt+Tab, Ctrl+Alt+Del, WIN-key etc.
Autorepeat of the last typed key
The remote pointer protocol, which is used to send mouse and keystrokes packets from the master PC to the
T
F
SCN, sends two packets for every key. The first packet contains the key code and a pressed
RANS
ORM
marker. The second packet contains the key code and a released marker. When the T
the first packet, it retransmits it to the host PC. The host PC assumes the key being pressed unless it receives
also the second packet. After the repeat delay the T
Host PC does not react on the
keyboard any more
When pressing the WIN-key, Ctrl+Esc-keys or Alt+Tab-keys the Windows operating system changes the ac-
tive window. The remote pointer applet receives a packet with the key code and the pressed marker, but
since the active window changes the remote pointer can never send the key code and released marker
packet to the T
F
RANS
ORM
Jerky mouse pointer movement;
jumping mouse pointer
The operating system of the host PC receives mouse coordinates which are already accelerated by the oper-
ating system of the master PC and which are sent through remote pointer java applet. No further accelera-
tion on host PC side is required.
The screen representation (see
figure above) is grey instead of
black and does not react on mouse
clicks
Barco – TransForm SCN – R5976968 – Revision 01 – May 2006
Action
Some shortcut keys are not transmitted to the host PC. To get the same
result, the mouse can be used instead.
On the host PC increase the pause before key auto-repeating. (For Win-
dows 2000 e.g. it is located in Start -> Settings -> Control panel -> Key-
board -> Speed -> Repeat delay.)
Applies with master PCs with Windows operating system.
Leave the remote pointer window (keep the Ctrl-key pressed while
moving the mouse pointer) and go back to it (by clicking in it). The
keyboard shall work again. If it does not help, close the remote pointer
web page and browse to it again.
SCN. For the host PC it looks like the key is kept pressed.
At the host PC adjust the mouse settings. Try a slower mouse speed and
acceleration. (Start -> Settings -> Control panel -> Mouse -> Motion ->
Speed, Acceleration)
In the T
F
RANS
smoothing and speed (see section
below).
Make sure that Java runtime environment is installed and running (see
section
4.2.1
Make sure that Java, Java script and Active scripting are enabled in
the browser settings.
Clear the browser's cache.
Refresh the remote pointer page.
Finally, try another browser.
_______________________________________________________________________________________________
F
SCN autorepeates the key.
RANS
ORM
SCN web interface adjust the mouse settings
ORM
4.3.10 Keyboard & mouse – Settings
Configuration).
4. Operating
F
SCN receives
RANS
ORM
Table 4-2
usage of remote pointer
4-18
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