The jumper Jumper Mic_1_Act to Mic_4_Act ('SJ1' to 'SJ4') are used to activate the microphone inputs 1 to microphone input 4.

PCA2008-A1 microphone input activation with jumper 'SJ1' to 'SJ4'

'SJ1' to 'SJ4'

Output level


Microphone input not activated


Microphone input activated

  • 0 = OFF; no jumper is set
  • 1 = ON; jumper is set

If the microphone input is not used, it has to be deactivated. If the unused input is not deactivated, it results in a fault message.