Audio Control and Tone (ACT) Module
23-10
then returns the following 4 byte sequence with the
module status:
Byte 1: Instruction Echo (“01000000”)
Bit 0-5 = Speaker status (0=disconnect)
Byte 2:
Bit 6 = Play status (1 = play)
Bit 7 = Low-level Audio Output status
(1= Low-level Input routed to Low-level Out)
Byte 3: Possible number of recorded signals
Byte 4:
The number of recorded audio signal that is
currently playing (will be reported only when a signal
is played.)
Response to Instructions
The ACT acknowledgements are the 8-bit codes described below:
Response Code Description
Record completed “01111110” Recording has been completed.
Play started “10000000” Signal is currently being played.
Play completed “01111101” Signal play has been completed.
Instruction
inconsistency
“01111111” Instruction was not the same as the first one
(when not playing); the instruction is not
performed.
Instruction time out ”01000000” Instruction received only once, (when not
playing); the instruction is not performed.
Recording Audio Signals
Manual recording enables the recording of up to eight audio signals using the pushbutton (PB)
and LEDs on the ACT unit front panel. Follow the steps below to record audio from
PC/Laptop/Recorder:
Procedure 23-3 How to Manually Record Audio Signals
1) Connect the "Speaker Out” of the PC/Laptop/Recorder to the "Audio In” port (Use Mono
adapter if needed).
2) Pause the audio and tune the volume to approximately ¾ of full scale.
3) Press the PB for more than two seconds; all four LEDs will light up.
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