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CHAPTER 5: Operation
Please note that, in cascaded systems, it is not possible to scan through all of
the channels on every Switch in the same scan. Each Switch must be scanned
separately.
• Use {Hotkeys} + [0] to select nonexistent “channel zero” in order to shut off
the video output from the Switch to the shared monitors. The Switch’s front-
panel display will show “0”. You can re-enable video by selecting another
channel through the keyboard, SELECT button, on-screen menu, or mouse.
• Use {Hotkeys} + [L] to lock the Switch (disable its shared keyboard and mouse
and select nonexistent “channel zero” in order to and shut off the video
output from the Switch to the shared monitors). If a password has not been set
(see Section 4.2.9), the Switch behaves exactly as if you had entered
{Hotkeys} + [0] (see above). If a password has been set, the Switch displays “P”
to indicate that a valid password must be entered to unlock the switch; simply
type in the password followed by the [Enter] key to do so. Note that if anyone
has tried to type something at the shared keyboard while the Switch is locked,
you will have to press [Enter] to clear those characters so that they won’t
invalidate the password when you proceed to type it in.
• Use {Hotkeys} + {Channel Address} to select a CPU channel in a cascaded
system (see Section 5.12). The {Channel Address} is a series of one- or two-digit
channel numbers that specify the “path” to follow to get from the master
Switch to the desired CPU channel on the subsidiary Switch. The numbers in
the {Channel Address} can be single digits if all of the Switches in the cascade
are 4- or 8-port units; if any are 12- or 16-port units, you’ll have to add a leading
zero before the single-digit numbers. For example, if you want to access
→CPU channel 16 on a “second-layer” subsidiary Switch connected to
→CPU port 2 (“02”) on a “first-layer” subsidiary Switch connected to
→CPU port 1 (“01”) on the master Switch, you would enter:
{Hotkeys} + [0][1][0][2][1][6].
To make sure that the Switch doesn’t switch prematurely to the wrong
channel, hold down the hotkeys until you enter the last digit, then release
them.
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