Sound Control Protocol for SpeechLine Digital Wireless

SSC Developer‘s guide for SpeechLine Digital Wireless | 92/109
SSC Method List (CHG 2N/CHG 4N)
Parameter value changes:
RX: {"bays":{"active":[true,false,false,false]}}
RX: {"bays":{"active":[true,true,false,false]}}
RX: {"bays":{"active":[true,true,true,false]}}
RX: {"bays":{"active":[false,true,true,false]}}
subscription terminates at end of subscription lifetime with:
RX: {"osc":{"error":[{"bays":{"active":[310]}}]}}
Example 3 – multi-parameter with non-default parameter (CHG 2N):
TX: {"osc":{"state":{"subscribe":[{"#":{"lifetime":2000},"device":
{"state":null},"bays":{"active":null,"device_type":null}}]}}}
RX: {"osc":{"state":{"subscribe":[{"#":{"lifetime":2000},"device":
{"state":null},"bays":{"active":null,"device_type":null}}]}}}
RX: {"device":{"state":0},"bays":{"active":[false,false],
"device_type":[0,0,0,0]}}
subscription terminates at end of subscription lifetime with:
RX: {"osc":{"error":[{"device":{"state":[310]},"bays":{"active":[310],
"device_type:[310]}}]}}
Example 3 – multi-parameter with non-default parameter (CHG 4N):
TX: {"osc":{"state":{"subscribe":[{"#":{"lifetime":2000},"device":
{"state":null},"bays":{"active":null,"device_type":null}}]}}}
RX: {"osc":{"state":{"subscribe":[{"#":{"lifetime":2000},"device":
{"state":null},"bays":{"active":null,"device_type":null}}]}}}
RX: {"device":{"state":0},"bays":{"active":[false,false,false,false],
"device_type":[0,0,0,0]}}
subscription terminates at end of subscription lifetime with:
RX: {"osc":{"error":[{"device":{"state":[310]},"bays":{"active":[310],
"device_type:[310]}}]}}
14.12 /osc/state/close
Parameter type: Boolean.
Permission: Write only.
Pre-condition: N.A.
Post-condition: N.A.
Description: When an SSC Client calls this SSC Method with a true argument, the SSC Server MUST
close the connection immediately after the reply has been sent.
Example:
TX: {"osc":{"state":{"close":true}}}
RX: {"osc":{"state":{"close":true}}}
14.13 /osc/state/prettyprint
Parameter type: Boolean.
Permission: Read only.
Pre-condition: N.A.
Post-condition: N.A.
Description: An SSC Server MAY support this Method to allow the SSC Client to select a preferred
formatting style for all SSC reply messages to be sent on the connection to the SSC Client by the
SSC Server.