astro spectra

[philobeddo]

i have an astro spectra w a w3 head is there any way i can change it to a w7 head as i need the siren control also i have the cps software do i need a new flash code and if so does anyone know where to get one
please let me know
ray

[jmr061]

If you want to switch control heads you need to push in a different s-record. The W3 is capable of controlling a siren.

[Will]

"Pushing in a S-record" requires realignment and calibration.