NEC 140He - Manual (Page 129)

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Entry via Special Keys
For special keys, even if you press these keys in a remote keyboard, it will not take effect in the host server. Using the
following three special key icons will take effect in the host server.
(raised state) and (pressed-in state): toggles whenever clicked.
(raised state) and (pressed-in state): toggles whenever clicked.
IMPORTANT: For example, to enter "Ctrl + Alt + Del", press the [CtrlAlt] icon and
press Delete on your keyboard. By doing so "Ctrl + Alt + Del" takes effect in the host
server. When this takes effect, click the [CtrlAlt] icon again to release the effect of entry of
this special key. If you press Delete on the keyboard while the [CtrlAlt] icon has been
selected, "Ctrl + Alt + Del" also takes effect in the host server.
(Windows key icon)
("|" pipe key icon)
Zoom In and Zoom Out
When you click [ ] to zoom in, what is shown becomes larger.
When you click [ ] to zoom out, what is shown becomes smaller.
When you click [ ], the default size icon, what is displayed will be the same size as the host server.
When you click [ ], the window resize icon, the size of the Remote KVM Console window is adjusted to the remote
screen size.
Screen Refresh
When you click [ ], the screen refresh icon, the Remote KVM Console screen will be refreshed. When the screen
display is disturbed, refresh the screen.
Modifying Properties
When you click [ ], the KVM properties icon, the KVM properties window appears. In this window, you can specify
the screen refresh interval which is executed automatically.
NOTE: By having a shorter refresh interval, garbage on the screen will be reduced.
However, note that screen refresh will give burden. A too short refresh interval can slow
response speed of terminals or affect traffic performance of the network.