Gilderfluke&Co 8 Bit Digital Audio Systems - Manual (Page 44)

fied by the TRACK#. To use these commands to tighten the synchronization
between cards, you will need to stop the clock before issuing Start
Commands, and then restart the clock. If the clock remains stopped for too
long, the dead man timer will time out and reset the cards. The dead man
time is about 1 second.
EXAMPLE: to start clock on card 00: < 0 0
EXAMPLE: to stop clock on card 00: > 0 0
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"?" (HALF-MASK) (FULL-MASK) Mute Masks:
This command usually comes from the PA MASTER in a digital audio sys-
tem that is equipped with a PA system.
This command is followed by an 8 bit half-mute mask and an 8 bit full-
mute mask. Any bits on these two masks which match enabled full and half
mute zones will cause an appropriate mute level to be taken.
EXAMPLE: to mute zone 1, 5 and 6, and half mute zone 3, 4, and 8:
? 8 C 3 1
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"[" (PA ZONE) (PA STATION) (TRUNK#) PA Command:
NOT USED WITH AB-100 AudioBrick: This command usually comes from
the PA MASTER in a digital audio system that is equipped with a PA system.
This command opens the TRUNK# for each valid request for a PA ZONE.
The only PA ZONES that any card will respond to are those which have been
enabled through the setup routine.
If the PA STATION number is equal to the TOP PRIORITY PA STATION for a
given card, then that PA request will take priority over all other PA requests
for that card. The same holds true for the SECOND PRIORITY PA STATION, ex-
cept that TOP PRIORITY PA requests will take precedence over these too.
If no other priority options are 'on', then all other valid PA requests are
treated equally. If more than one valid PA request is active at a time, the
audio from both will be mixed.
If the STANDARD PRIORITIES are on, then it uses the PA STATION number to
prioritize PA requests. Any request from a higher numbered PA STATION will
take precedence over lower numbered PA STATIONS. Only one PA request is
allowed on at a time.
If the ZONE PRIORITIES are on, then it uses the PA ZONE number to priori-
tize PA requests. Any request from a higher numbered PA zone will take
precedence over lower numbered PA zones. Only one PA request is allowed
on at a time.
If both ZONE and STANDARD PA PRIORITY options are 'on', then the system
will use a combination of the two priorities. If the PA system is active and a
request from either a higher numbered PA STATION or PA ZONE comes in, the
new request will be honored. All other requests will be ignored.
EXAMPLE: if a pa request comes in from PA STATION 55 to access PA
zone AA, with the audio feed to be found on trunk line 3: [AA553
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"]" (TRUNK#) Clear PA Request:
NOT USED WITH AB-100 AudioBrick: This command usually comes from
the PA MASTER in a digital audio system that is equipped with a PA system.
This command is used to clear PA requests on the digital audio Repeater
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