Gilderfluke&Co old MACs 8 bit Digital Audio System - Manual (Page 48)

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"h" Direct Select:
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 directly 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 another 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 pushbuttons, 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 option 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 a DR-100 or DR-300 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 actually 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 starting 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 between 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 allows 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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