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Example: The user at Node 3 has control of the system and is finished using the functions
that are restricted by Node Control. The user wishes to automatically grant control to the
next user who needs it, so the user presses the local Telephone/Page Selector switch that is
correlated with Node 3 (the LED of which is illuminating steadily). By pressing that switch,
the user surrenders control of the system without passing it to any pending request. All
Node Control LEDs on the network go dark and the system returns to the Idle state
(described in Scenario 1).
Granting control
Scenario 4: Transfer of control from one node to another Sequence of operation:
• User A presses the switch correlated to the node he is at
o Transfer of control is requested (see the Figure Switch adder after Node 1 is in
control at Scenario 2)
o Green LEDs start blinking to indicate that a node is requesting control
• User B acknowledges the request by pressing the switch correlated to the
requesting node
o Control is transferred to the requesting node:
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