Quote: (Originally Posted by
silent running)
Hi Gill, IMHO, stating that you need shorter monitoring intervals with an ECCR is alarmist, as with a HUD you will know if your solenoid stops working as the HUD will show you are below SP. This is what happened to me when mine stopped working. But I knew even before my HUD told me because I could hear the solenoid blocking up.
I absolutely agree that we should have a short monitoring interval when using a eccr. Whether you use your Handset or your HUD, makes no difference to me, just monitor your PO2 frequently when relying on electronics.
As I posted on a different thread, I did recently have an incident where my handset completely shut down during a dive. I was diving in very calm conditions and was on my knees in 70 ft of depth at the edge of a wreck taking pictures. I generally do not glance at my HUD very often (I probably should), instead I tend to check my primary handset and 4th cell VR3 fairly regularly - Allows me to monitor NDC and Deco Obligation at the same time as my PO2. When I glanced at my primary handset, it was dead. I glanced at my VR3 and my HUD and noticed my PO2 had already dropped below 1.0, from the 1.2 I had the electronics set at. I manually maintained O2 and called the dive...
I now make a conscious effort to monitor my PO2 much more frequently then I previously did, even though I feel as though I was monitoring it at an adequate frequency before!