Depending on many factors including trash, a RD of 100 can cause loss of targets because of masking. One RD setting cannot fit all conditions at all sites for all people. If it did there would be no need for an adjustment at all. Two people one swinging slow and one swinging fast should not be using the same RD. For a really slow swinger 100 might not even be enough. To use 100 with a 6x10 I would really have to move like a snail.
[attachment 226341 2012-03-14_182007.jpg]
I have used RD up to 110 with my D2, but not always. Use what best works for you.
Here's an old write up I did.
RECOVERY DELAY
Once the recovery delay cycle is started by encountering a target, the V3i will give a certain recovery time" to the process. You decide how many time units the V3i has by how high or low you set the recovery delay. If you give the V3i 100 R/D time units it must use every one before it can start a new recovery time. If your detector passes over one target, you must use 100% of the time units before the V3i can process another target. This would be for all targets regardless of being a higher or lower conductor target. However, if you're in the Recovery Delay cycle and you're over a rejected target, if you go over a good target that has a LARGER signature, you'll over-ride the remaining portion of the RD phase and hear the good target. Likewise, if you're in the RD cycle and you're over a good target, if you pass over a rejected target that has a LARGER signature, you can shut down the detector's response. The down side is when the new signal is weaker than the one being processed it will not be heard until the recovery delay is finished.
A shorter R/D should work better at a site that is more cluttered. Remember the R/D is how long the V3i has to process the first target, and then be ready to process a second target. Lower R/D numbers gives a SHORTER delay and higher R/D numbers give a LONGER delay. Faster recovery doesn