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System, Force & Inhibit

General Usage

You can force a crosspoint to create a continuously acti-
vated talk and/or listen path between a selected port and
any other port. You can also inhibit crosspoints to block
communications between selected ports. Finally, you can
view all the connections from a selected port to all other
ports.

Force is commonly used to establish communication paths
through the matrix when the inputs and outputs involved
are not keypanels. It can also be used with keypanels to
force communication paths to be on continuously. Inhibit
is used to restrict communication between keypanels. It is
commonly used to prevent feedback between adjacent key-
panels when they are using the same party line. Inhibiting
the two crosspoints between adjacent keypanels will effec-
tively “mix minus” the two keypanels without affecting
communication with other ports on the party line.

When you select "Force & Inhibit" from the System
menu, a pick list of ports will appear (Figure 3-17). Se-
lect a port from the pick list to view the force & inhibit
screen for that port.

Figure 3-18 shows the force inhibit screen for port N001.
The name of the selected port is shown in the window at
the upper right. The names of all connecting ports and
their port numbers are displayed in the “Alph” and “Port”
columns of the “Connecting Ports” table. The “

→

”

column is actually two columns. The “

→

M” column indi-

cates “from the port at the left to me”, where “me” in this
case is port N001. The “M

→

” column indicates “from me

to the port at the left”. The “

→

” columns provide the

following indications:

Indicates that a crosspoint is “forced” closed

Indicates that a crosspoint is “inhibited”, or prevented
from closing

û: Indicates that a crosspoint is currently closed (a key-

panel key is activated)

A blank space indicates that a crosspoint is neither forced
nor inhibited nor currently closed.

To change the setting of a crosspoint: Use the cursor
keys to select the desired crosspoint, then use the space
bar to change the setting. (Or, simply click on a cross-
point with a mouse.) Once you have made any desired
changes, press the ESCAPE key to return to the menu
bar. Then, select "Activate Chgs" from the Intercom
menu to send the changes to the intercom system.

Note:

If keypanel keys are turned on and off while the
force & inhibit screen is displayed, the screen
may not show it. To update the screen and see
which crosspoints are currently closed, press the
ENTER key. Each time you press the ENTER
key, CSedit will upload the current crosspoint
status from the intercom system. If you modify
any crosspoint settings, you should first send
your changes to the intercom before performing
a screen update. Otherwise, your changes may
be erased.

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³ Help File Keys System Status Sort Screen

Options

Intercom

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