Voltage data parameters of the TDA7253 pin function
Signal/no signal
1 empty
2 empty
3 mute 11.8/0.9
4 feedback into 1.7/2.3
5 audio signal into 0.8/0
6 ground 0
7 empty
8 sound out 9.4/0
9 power supply 21/23
10 empty
The handheld addresser is used to program the address of the monitoring module offline. When in use, connect the two output wires of the handheld encoder to the communication bus terminal (terminal label 1, 2) of the monitoring module, turn on the black power switch on the right side upwards, and press "ten Add", [Subtract ten", [Add one place" and [Subtract one place" to program the address.
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