Validity Of Ricod; Locking The Remote Device - Lightware UMX4x4-Pro2 User Manual

4.5.6. Validity of RICOD

The last command will be saved for each input and will be preserved until a new
command arrives or until the function is disabled. If the remote controlled device is
restarted, replaced or disconnected and connected again, then the command will be
executed again. The command will take effect even if the local device (e.g. the UMX4x4-
Pro2) is restarted or the function is enabled again.
Info: The communication between the devices is uni-directional, so there is no feedback from
the remote controlled device.

4.5.7. Locking the remote device

The intention of this feature is to prevent accidental or unwanted switching when the
remote device is installed near to the end-users. The remote device can be locked by the
local device via a RICOD command. The behavior is different for the video routers and for
the extenders:
Extenders
If an extender (talking about transmitters, i.e. WP-UMX-TP-TX100) receives a lock
command by the RICOD function, then it will disable the front panel switching buttons.
The buttons are disabled until the device is disconnected (connection is detected by the
Hotplug detect signal – which is carried by the DDC CAT cable when using CATx
extenders) or the remote lock command is cleared by the local device. This can be done
by turning off the RICOD function or by turning off only the lock command.
If a new device is connected which doesn't support RICOD commands then the remote
lock will be disabled.
Note that when the buttons are disabled, then they don't react at all - switching and
unlocking are also impossible.
The transmitters are still able to receive and execute commands via their local control
interface (e.g. RS-232 or USB) while RICOD lock is enabled. The remote lock command
affects only the buttons, but doesn't prevent the switching if it is commanded locally.
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Figure 4-3. Working of RICOD
Section 4. Technologies