Tech Works CI Series System Planning Manual page 23

The Monitor output, PA-BUSS has many uses
OP MIC ACTIVE
LOCAL ALC
MASTER INPUT
SLAVE INPUT
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:
Slave Connector:
Local ALC Output:
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
Operator Microphone is Active
Always (Overrides other selections) ALWAYS
The Collaboration Buss, CI-BUSS allows chaining of several Units
CI-BUSS "SLAVE"
AUDIO INPUT
OP_MIC_ACTIVE
CI-BUSS "MASTER"
INPUT
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:
Local ALC Output:
Master IC-BUSS Connector, BUSS Output, Summed:
Slave Connector:
Local ALC Output:
10/29/2019 Tech Works CI-Series Systems Planning & Installation Manual
ALWAYS
OR
TALK SW
ALWAYS
SUM
"LISTEN
LEVEL"
ON OFF
ON OFF
ON OFF
BUFFER SLAVE INPUT
OPTO
RCVR
AUDIO
BUFFER
MASTER INPUT
ON OFF
ON OFF
ON OFF
ON OFF
SELECT
AMP
MUX
TALK_SW
OP_MIC_ACTIVE
MASTER INPUT
SUM
LOCAL ALC
OP MIC ACTIVE
SLAVE INPUT
SUM
LOCAL ALC
ACTIVE
PA-BUSS
MONITOR
OUTPUT
AUDIO
ON OFF
ON OFF
ON OFF
AUDIO
CI-BUSS "SLAVE"
OUTPUT
OP_MIC_ACTIVE
CI-BUSS "MASTER"
AUDIO OUTPUT
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