Gilderfluke&Co 8 Bit Digital Audio Systems - Manual (Page 26)

This command is used to switch the AUX PORT between selecting directly
(1 of 8) instead of using binary inputs for requesting up to 255 different
spiels. The direct select is useful when you have eight or less spiels which
need to be called up through the AUX PORT. The AUX PORT can be wired di-
rectly to up to eight different pushbuttons. When any of these buttons are
pressed it will select the appropriate spiel. The first button pushed will be
played at the next start or looping command, unless it is overridden by an-
other spiel request from the serial ports. (The board can also be told to start
playing the newly requested spiel immediately if you set the EARLY STARTS
option to either 'jump forward' or 'jump back'.)
If this mode is off, then up to 255 different spiels can be selected through
the AUX PORT. The AUX PORT can be connected directly to the output of a
computer or animation control system. If you need to connect it to pushbut-
tons, you will need to use diodes or a keyboard encoder to encode a binary
number to be sent to the AUX PORT.
As with changes in inputs on the A, B, or PB input, changes on the AUX
PORT can be used to start, stop, or whatever a card. If the direct select op-
tion is 'on', then a rising edge is on any new arrival of a new closure, and a
falling edge is when all input lines are opened. If the direct selection is 'off',
then a rising edge is on any change in the AUX PORT except for when all of
the inputs go open, which is considered to be a falling edge.
This option defaults to an 'on' condition.
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"i" Mute if Stopped:
This toggle allows you to tell an AB-100 to mute all the audio when the
Repeater is stopped. This can be used if the mix inputs to the card aren't
used for anything else. This defaults to a 'off' condition.
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"j" Start Delay:
This command is used to set the START DELAY for this card. If the START
DELAY is anything other than 0000, then any start which follows a reset will
cause the Repeater to delay for the time set by the START DELAY until it actu-
ally starts the Repeater. This is useful in applications where a single start
input can be used to start a number of different cards, with the actual start-
ing time of each of the cards set by the delay time. The actual amount of
delay time can be adjusted using the START DELAY in the field.
The START DELAY is also used when a Repeater is in looping mode. In be-
tween each loop, the Repeater delays by the amount of time set by the
START DELAY. This allows you to record a fairly short announcement which
needs to repeat all day long. The START DELAY can be used to set how often
this spiel repeats. Again, the amount of delay can be adjusted in the field
as needed.
Each count of the START DELAY is equal to .029127111 seconds. This al-
lows you to set the delay from about 1/34th of a second on up to about 1/2
hour.
To determine the value you need to use for a particular delay:
1) Divide the number of seconds you want to delay by
.029127111.
2) Round the result off to the nearest whole number.
3) Convert result to HEX (a HEX calculator makes this easier).
This feature defaults to a value of 0010. Acceptable input range for the
delay is 0000 to FFFF. A 0000 input disables this option.
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