Originally Posted by
Dalai
*Double reed switch. I was lucky and bought my wired Scientific SRM off ebay.com for only $1100 years ago, but is only a single reed switch unit.
You can have a second installed. I've been to SRM's North American HQ and they still service old hardware. The hard part is to get the firmware in your head unit to look for 2 reed switches. Not sure if they phased that out or not. I heard that they did.