Broadcast Key - Mirage 2000 User Manual

only the opposing wired keypad protocol. Or, if you prefer, use the wired keypad to
safely change its own protocol:
A or B
1. Select the
changed (see Step 2), it will still be recognized by the projector.
2. Unplug the keypad and change the protocol in the keypad as desired. Do this
either by entering the short-cut software command or by hard-wiring the
keypad as described in 2.10, Keypad Protocols and Conversion.
3. Plug the keypad back into the projector. Return to the Communications menu
and select the new protocol you have just set up in the wired keypad.
TURNING OFF THE WIRED KEYPAD:
you cannot use it to select the
accidentally disabling the wired keypad during use. Instead, use either the built-in
keypad or the IR remote keypad to select
to the wired keypad.

Broadcast Key

Enter a checkmark if you want keypad commands sent to one projector to be relayed
to all projectors in a network. Note the
effect of a broadcast setting and allow you to control a specific projector when
necessary. Make sure to remove the checkmark if using the split network feature.
Projector
Enter a three-digit number (such as "001") to assign or change a number to the
projector currently in use – if the current projector already has a number assigned,
that number will appear here (see right).
Numerical identity for projectors is
required whenever you want to
communicate with a single projector
within a multiple-projector application
(see key description in 3.3, Using the
Keypad). If you make a mistake in
assigning or changing the projector
number, press Exit to cancel.
For complete information about
controlling multiple projectors, see 3.11,
Using Multiple Projectors.
Split Network
Enter a checkmark if you have a network in which each projector is connected via
both its RS-232 and RS-422 serial ports (Figure 3.26
communications will then remain on either its RS-232 or RS-422 path (depending on
the controller) rather than being broadcast to all 3 remaining serial ports. Should a
projector or path ever fail, the other path will be available as a back-up.
The Split Network feature is unnecessary when only a single serial link is connected
between any two projectors (Figure 3.26B), and will cause communication errors if
these single links vary from RS-232 to RS-422 anywhere in the network. Likewise, if
you have two serial links connected between any two projectors, failure to use the
Split Network checkbox can also cause a communication error.
option. This will ensure that once your keypad is manually
If you want to disable the wired keypad entirely,
OFF
option. This safeguard prevents you from
OFF
. The projector will no longer respond
key will temporarily "override" the
Mirage 2000/4000/6000 User's Manual
OPERATION
A
). At each projector, serial
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