Section 5
5-9
Remote:
When the Remote Enable (REN) line is asserted and the controller addresses the 6675A as
a listener, the 6675A enters the remote state.
Front panel operation is restricted. to the use of the Remote softkey/pushbutton. Pressing
the Remote softkey or sending the GTL (Go To Local) interface message returns the 6675A
to the local state.
Remote With Lockout:
The remote with lockout state can be entered from remote or local with lockout, but not
directly from local. Remote with lockout is similar to the remote state but restricted: The
Remote softkey will not return to the local state. To return the 6675A to the local with
lockout state the controller must send a GTL interface command. To return the 6675A to
the local state the controller must unassert the REN control line.
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