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Command "t": interconnection digital input 1 to digital output 1
Description: Via this command the RCM tells the RCS of class m to switch the signal of the first input
(
DIGITAL IN 1) to the first digital output DIGITAL OUT 1.
The
RCS executes the command and sends the acknowledge which informs via the status
register about the auto switch status (enabled or disabled) and if there is a sync signal on
DIGITAL IN 1 or not.
These conditions together determine the behavior of the
RCS.
Example: The command t is sent to the second RCS:
Message <STX> <TYPE> <ADDRH> <ADDRL> <Body> <STATH> <STATL <CHKH> <CHKL> <ETX>
m0 2 t 43
Let's assume the first input is not provided with a signal. Depending on the status of
autoswitch,
DIGITAL OUT 1 is routed to DIGITAL IN 2 (autoswitch enabled, sync signal
present on input 2), or the projection module is white.
Let's further assume: autoswitch enabled, sync signal present on input 2, output 2 routed
to input 2.
Thus the status register looks like this:
Status Auto Switch Out2
true
Out1
true
Reserved Out2
target
Out1
target
Prsnt2 Prsnt1
1110 1 0 1 0
Thus the acknowledge sent from the second RCS to the master reads:
Acknowledge <STX> <TYPE> <ADDRH> <ADDRL> <Body> <STATH> <STATL <CHKH> <CHKL> <ETX>
m0 2 t e a09
Result: The actual routing of
DIGITAL OUT 1 is different from the target routing, and the signal
present on
DIGITAL INPUT 2 is displayed on the projection module connected to DIGITAL
OUT 1
. As soon as there is a signal present on DIGITAL INPUT 1, the routing changes to
the target routing!
5.3.2 Switching the Digital Output 2
The Digital Output 2 can be switched to the Digital Input 2 or to the Digital Input 1.
In case there is a signal present on the desired input, the target routing will be the actual routing.
In case there is no signal present on the desired output, the
autoswitch functionality determines the
routing: if enabled, the output is automatically routed to the other input, and the
actual routing then
differs from the
target routing. If disabled, the output will be non the less switched to the target
input
and the projection module will be white (no picture, since there is no input signal).
In the status register, the correlated bits output 2 target / output 2 true (output 1 target / output 1 true)
can be compared to check the configuration.
On the device, the LEDs of the inputs indicate whether a signal is present or not, whereas the LEDs of
the outputs show which input is routed (green: input 1, orange: input 2)