10/29/2019
Tech Works CI-Series Systems Planning & Installation Manual Page
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of
42
The Monitor output, PA-BUSS has many uses
OR
SUM
LOCAL ALC
MASTER INPUT
SLAVE INPUT
“LISTEN
LEVEL”
ALWAYS
OP MIC ACTIVE
TALK SW
SELECT
MUX
AMP
ALWAYS
AUDIO
ACTIVE
PA-BUSS
MONITOR
OUTPUT
It could be a logging output, for recording the conversation, or just selected individuals
It could be a “paging” output
It could be used for Patient Communications
There could be Background Music, which is only interrupted when communications or Paging takes place.
For the various applications see the ‘PA-BUSS Users Manual’
The PA-BUSS Monitor has several Audio Selection Choices, which are summed
Master Connector:
ON OFF
Slave Connector:
ON OFF
Local ALC Output:
ON OFF
The Audio May be Keyed (See below) or may always be enabled KEYED ALWAYS
The PA-
BUSS Monitor Active Signal (Keying Signal) is selectable, logical OR’ed
Talk Switch Active
TALK_SW
ON OFF
Operator Microphone is Active
OP_MIC_ACTIVE
ON OFF
Always (Overrides other selections) ALWAYS
ON OFF
The Collaboration Buss, CI-BUSS allows chaining of several Units
OPTO
RCVR
BUFFER
SUM
LOCAL ALC
MASTER INPUT
CI-
BUSS “SLAVE”
OUTPUT
CI-
BUSS “SLAVE”
AUDIO INPUT
SLAVE INPUT
BUFFER
SUM
SLAVE INPUT
CI-
BUSS “MASTER”
AUDIO OUTPUT
CI-
BUSS “MASTER”
INPUT
MASTER INPUT
AUDIO
AUDIO
OP_MIC_ACTIVE
OP_MIC_ACTIVE
OP MIC ACTIVE
LOCAL ALC
In the Standard Configuration
all the users
of the CI-BUSS
talk and listen to each other
However there may be situations where some users may only listen, or only talk
There are two Collaboration Buss connectors on the HSI-
41. One is Labeled “Master” and the other is
labeled “Slave”
The Selections allow selective Collaboration
These settings do not affect the Monitor Outputs, PA-BUSS
Slave IC-BUSS Connector, BUSS Output, Summed:
Master Connector:
ON OFF
Local ALC Output:
ON OFF
Master IC-BUSS Connector, BUSS Output, Summed:
Slave Connector:
ON OFF
Local ALC Output:
ON OFF
