Bytes Transmitted - pro bel 4407 Technical Manual

4407
set fade
To start an audio fade this command is sent with the parameters D for up (1) or down
(0) and SSSSSSS for fade rate.
SSSSSSS 00
05
0A
14
28
Other values have no effect.
status request
On receiving this command the 4407 will respond by sending 6 bytes of status data
as detailed in the following section.
reset
Causes the 4407 card to reset to the power up condition which is fader at the top and
unity gain.

Bytes transmitted

The following data bytes are transmitted by the 4407 after a panel poll from the link
layer has been issued by the controller.
fader gain high
fader gain low
Reports the fader gain status. This is not the audio gain setting but a value
corresponding to the fade position at that particular point. These bytes are issued in
response to a status request command given from the controller.
HHHHLLLL
Note: These bytes are included for compatibility with the CBC 5015 fader protocol.
Technical Manual
- byte 1 : 00l0000D
- byte 2 : 0SSSSSSS
= fade in 0 seconds
= fade in 1 second
= fade in 2 seconds
= fade in 4 seconds
= fade in 8 seconds
- byte 1 : 00110000
- byte 1 : hex FD
- 0001HHHH
- 00l0LLLL
00 = fade has reached bottom position
80 = fade active
FF = fade has reached top position
Digital Audio Sample Rate Converter
Notes: These are
approximate times
17