B&K CT310 Instrukcja Użytkownika Pobierz pdf (Strona 20)

CT600/602/610 and CT300/310 BKC-DIP Product Specific Appendices

Version 2.00.09

Updated 12/15/06

Page 20 of 48

Below is an example of how the RS-232 Feedback Selection

Update may be used to allow Volume Feedback from the

CT610/310/600 for use with an external controller.

Step 1)

First, set the CT300/310/600/602/610 System Parameter AE = 1,

RS-232 Feedback Selection set to Update.

Next, initiate a Master Volume change by any one of the

following methods:

B&K code set 11 (Logical Zone 11) IR Master Volume Up B&K code

set 11 (Logical Zone 11) IR Master Volume Down Front Panel

Volume Encoder up or down while set to Logical Zone 11

Using an IR remote control set to B&K code set 11 (Logical

Zone 11) a user presses the Master Volume + (Up) button.

The CT610/310/600 will generate the following BKC-DIP Update

message command:

(0,U,I,0B=C4;) Update from Zone 11 via an IR message.

Step 2)

The external control device should be set to Poll for any BKC-

DIP Update messages and parse out the specific BKC-DIP message

of interest, in this case a Zone 11, IR Master Volume + (1=C4)

“U,I,0B=C4”. Note if another means of Master Volume up is

used, such as the Front Panel Encoder Up, this would require a

different message “U,F,0B=0B”.

Step 3)

The external controller should generate a

CT300/310/600/602/610 Get command for the specific current

Preset Parameter of interest, in this case the current Preset

Parameter Volume value. The command would look like the

following BKC-DIP Get message:

(0,G,P0B=FF,1;) Get Zone 11 Volume setting.

Step 4)

Once the CT300/310/600/602/610 receives the above Get message

it will generate a Reply message with the requested parameter,

in this case the Reply for the current Preset Parameter Volume

value for Zone 11. The command would look like the following

BKC-DIP Reply message command:

(0,R,P0B=FF,1=28;) Zone 11 current Preset Volume value is set

to 28 hex or 0dB.

Step 5)

The external controller may then use the CT300/310/600/602/610

Zone 11 current Preset Parameter Volume value of “28” hex to

update its GUI or status in an appropriate fashion.

In addition to RS-232 Feedback Selections of Update and Reply,

Disable and Both (Update and Reply) allow further versatility

to set the best interface for the CT300/310/600/602/610 to an

external controller.

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