- Select the PC2003 in the station list and open the 'Amplifiers and Speakerlines' configuration window.
- Open the 'DSPSupervision' tab.
- Activate the flags 'Pilot tone' and 'Enable Line Detection'.
- Set the 'Pilot Gain' or all used amplifier to '-12 dB' (as a starting point).
- Set the Settings 'Value [V]' to 30 and the Settings 'Tolerance [V]' to 25 operating range 5 V to 55 V).
- Open the 'Speakerlines' tab.
- Enable the 'Active' checkbox for the start and end of the relevant speaker lines.
- Enter an 'Amp' number to route the speaker line to an amplifier, 1…4.
- Activate the 'Loop' checkbox to mark the speaker line as a loop.
- Activate the 'Enable' flag to enable the supervision of the speaker lines.
- Choose the Type 'Loop Isolator' for the loop start (odd speaker line number) and 'End of Loop' (even speaker line number).
A pilot tone lasting approx. 90 s sounds during the LOOP_STARTUP phase.
Example configuration for a system with two speaker line loops supplied by one amplifier (1):
Use always an odd speaker line as the starting point of the loop and the next even speaker line as the end point of the loop.